[INFO] cloning repository https://github.com/jo/microcouch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo/microcouch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37f5d8a8b046cc7df4e08be51c46c645771f03bb
[INFO] testing jo/microcouch-rs against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jo/microcouch-rs
[INFO] finished tweaking git repo https://github.com/jo/microcouch-rs
[INFO] tweaked toml for git repo https://github.com/jo/microcouch-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jo/microcouch-rs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jo/microcouch-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-batch v0.6.1
[INFO] [stderr]   Downloaded tokio-test v0.4.3
[INFO] [stderr]   Downloaded libsqlite3-sys v0.25.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e873537e10aba40a4d52ad984d81987cd9de9e3315aa0f0fe098c2a779bfb1ba
[INFO] running `Command { std: "docker" "start" "-a" "e873537e10aba40a4d52ad984d81987cd9de9e3315aa0f0fe098c2a779bfb1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e873537e10aba40a4d52ad984d81987cd9de9e3315aa0f0fe098c2a779bfb1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e873537e10aba40a4d52ad984d81987cd9de9e3315aa0f0fe098c2a779bfb1ba", kill_on_drop: false }`
[INFO] [stdout] e873537e10aba40a4d52ad984d81987cd9de9e3315aa0f0fe098c2a779bfb1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a303ebec249c9e12ddce9ea11e2e323691afa4c10570aad6c5eb32c7665461b9
[INFO] running `Command { std: "docker" "start" "-a" "a303ebec249c9e12ddce9ea11e2e323691afa4c10570aad6c5eb32c7665461b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling ahash v0.8.9
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling libsqlite3-sys v0.25.2
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling anstream v0.6.12
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling ipnet v2.7.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling futures-batch v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling rusqlite v0.28.0
[INFO] [stderr]    Compiling hyper v0.14.24
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.24
[INFO] [stderr]    Compiling microcouch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stdout]    --> src/database.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Database {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.45
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a303ebec249c9e12ddce9ea11e2e323691afa4c10570aad6c5eb32c7665461b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a303ebec249c9e12ddce9ea11e2e323691afa4c10570aad6c5eb32c7665461b9", kill_on_drop: false }`
[INFO] [stdout] a303ebec249c9e12ddce9ea11e2e323691afa4c10570aad6c5eb32c7665461b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ae178060a0686d88ae7a2cb5120316bac8339abc9417519fe30522b1d5b267
[INFO] running `Command { std: "docker" "start" "-a" "89ae178060a0686d88ae7a2cb5120316bac8339abc9417519fe30522b1d5b267", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tokio-test v0.4.3
[INFO] [stderr]    Compiling hyper v0.14.24
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.24
[INFO] [stderr]    Compiling microcouch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stdout]    --> src/database.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Database {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stdout]    --> src/database.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Database {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.45
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "89ae178060a0686d88ae7a2cb5120316bac8339abc9417519fe30522b1d5b267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ae178060a0686d88ae7a2cb5120316bac8339abc9417519fe30522b1d5b267", kill_on_drop: false }`
[INFO] [stdout] 89ae178060a0686d88ae7a2cb5120316bac8339abc9417519fe30522b1d5b267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a93409f871d3ada4292b827ac37eee020c86d39c490d66b687272f3e1682172
[INFO] running `Command { std: "docker" "start" "-a" "2a93409f871d3ada4292b827ac37eee020c86d39c490d66b687272f3e1682172", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/merge.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/merge.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DatabaseInfo` is never constructed
[INFO] [stderr]    --> src/database.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub struct DatabaseInfo {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Revisions` is never constructed
[INFO] [stderr]   --> src/http_database.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Revisions {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StemmedRevs` is never constructed
[INFO] [stderr]  --> src/merge.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct StemmedRevs {}
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Tree` is never constructed
[INFO] [stderr]  --> src/merge.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Tree {}
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Conflicts` is never constructed
[INFO] [stderr]  --> src/merge.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Conflicts {}
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Path` is never constructed
[INFO] [stderr]  --> src/merge.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Path {}
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MergeResult` is never constructed
[INFO] [stderr]  --> src/merge.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct MergeResult {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StemResult` is never constructed
[INFO] [stderr]   --> src/merge.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct StemResult {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_merge` is never used
[INFO] [stderr]   --> src/merge.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `stem` is never used
[INFO] [stderr]   --> src/merge.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `merge` is never used
[INFO] [stderr]   --> src/merge.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `microcouch` (lib) generated 13 warnings (run `cargo fix --lib -p microcouch` to apply 2 suggestions)
[INFO] [stderr] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stderr]    --> src/database.rs:129:14
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub trait Database {
[INFO] [stderr]     |           -------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `microcouch` (bin "microcouch" test) generated 14 warnings (13 duplicates)
[INFO] [stderr] warning: `microcouch` (bin "microcouch") generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: `microcouch` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.45
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microcouch-33c468042aea6be6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/microcouch-c8216ab15c25a0e2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/database.rs (/opt/rustwide/target/debug/deps/database-dec5898d2d0df66d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::save_and_get_document ... FAILED
[INFO] [stdout] test tests::save_document ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::save_and_get_document stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::save_and_get_document' (26) panicked at tests/database.rs:20:37:
[INFO] [stdout] missing COUCHDB_URL environment variable: NotPresent
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e543500e5a2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e54350253aa - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e54350253aa - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5e54350138e6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e54350138e6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e5434feb63f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e5434feb63f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e5435005ea9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e5434ad487e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e5434ad487e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e5435006112 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e5435006112 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e5434feb6f8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e5434fe2e09 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e5434fec7bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e5435025aec - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e5435025862 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5e5434ac726e - <core[c5ed12ab89cc536a]::result::Result<alloc[9c68fdf4f4f29218]::string::String, std[716c9a7a72e5c14e]::env::VarError>>::expect
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5e5434ac79e9 - database[e5a5a705b088f561]::tests::setup_http_database
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:20:37
[INFO] [stdout]   22:     0x5e5434ac306d - database[e5a5a705b088f561]::tests::test::<database[e5a5a705b088f561]::tests::save_and_get_document::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:44:23
[INFO] [stdout]   23:     0x5e5434ac7e56 - database[e5a5a705b088f561]::tests::save_and_get_document
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:70:9
[INFO] [stdout]   24:     0x5e5434ac6b57 - database[e5a5a705b088f561]::tests::save_and_get_document::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:69:31
[INFO] [stdout]   25:     0x5e5434ac8b86 - <database[e5a5a705b088f561]::tests::save_and_get_document::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5e5434ac8c2b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5e5434ac8c2b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x5e5434ad548a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x5e5434acf954 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x5e5434acf954 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x5e5434ad7f82 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x5e5434ad7f82 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5e543500de0f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   45:     0x5e543500de0f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   46:     0x77c7da70caa4 - <unknown>
[INFO] [stdout]   47:     0x77c7da799a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::save_document stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::save_document' (27) panicked at tests/database.rs:20:37:
[INFO] [stdout] missing COUCHDB_URL environment variable: NotPresent
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e543500e5a2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e543500e5a2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e54350253aa - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e54350253aa - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5e54350138e6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e54350138e6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e5434feb63f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e5434feb63f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e5435005ea9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e5434ad487e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e5434ad487e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e5435006112 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e5435006112 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e5434feb6f8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e5434fe2e09 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e5434fec7bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e5435025aec - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e5435025862 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5e5434ac726e - <core[c5ed12ab89cc536a]::result::Result<alloc[9c68fdf4f4f29218]::string::String, std[716c9a7a72e5c14e]::env::VarError>>::expect
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5e5434ac79e9 - database[e5a5a705b088f561]::tests::setup_http_database
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:20:37
[INFO] [stdout]   22:     0x5e5434ac2f6d - database[e5a5a705b088f561]::tests::test::<database[e5a5a705b088f561]::tests::save_document::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:44:23
[INFO] [stdout]   23:     0x5e5434ac7e46 - database[e5a5a705b088f561]::tests::save_document
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:61:9
[INFO] [stdout]   24:     0x5e5434ac6b27 - database[e5a5a705b088f561]::tests::save_document::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/database.rs:60:23
[INFO] [stdout]   25:     0x5e5434ac8b46 - <database[e5a5a705b088f561]::tests::save_document::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5e5434ac8c2b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5e5434ac8c2b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x5e5434ad548a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5e5434ad548a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x5e5434ad548a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x5e5434acf954 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x5e5434acf954 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x5e5434ad7f82 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5e5434ad7f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x5e5434ad7f82 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5e543500de0f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   45:     0x5e543500de0f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   46:     0x77c7da70caa4 - <unknown>
[INFO] [stdout]   47:     0x77c7da799a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::save_and_get_document
[INFO] [stdout]     tests::save_document
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test database`
[INFO] running `Command { std: "docker" "inspect" "2a93409f871d3ada4292b827ac37eee020c86d39c490d66b687272f3e1682172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a93409f871d3ada4292b827ac37eee020c86d39c490d66b687272f3e1682172", kill_on_drop: false }`
[INFO] [stdout] 2a93409f871d3ada4292b827ac37eee020c86d39c490d66b687272f3e1682172
