[INFO] cloning repository https://github.com/notseanray/backlink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notseanray/backlink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54844aa85c02bb7b413d856682f3d9e6a8137690
[INFO] testing notseanray/backlink against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notseanray/backlink
[INFO] finished tweaking git repo https://github.com/notseanray/backlink
[INFO] tweaked toml for git repo https://github.com/notseanray/backlink written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notseanray/backlink on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notseanray/backlink 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df2a3bc8659ef5a19ece4c9cc72e815c533f777c9db47d899fb2e8f7cb32fcad
[INFO] running `Command { std: "docker" "start" "-a" "df2a3bc8659ef5a19ece4c9cc72e815c533f777c9db47d899fb2e8f7cb32fcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df2a3bc8659ef5a19ece4c9cc72e815c533f777c9db47d899fb2e8f7cb32fcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2a3bc8659ef5a19ece4c9cc72e815c533f777c9db47d899fb2e8f7cb32fcad", kill_on_drop: false }`
[INFO] [stdout] df2a3bc8659ef5a19ece4c9cc72e815c533f777c9db47d899fb2e8f7cb32fcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fe367cd395411e9ec4740508e8a0e08902752f7ce3b6bf3561b6100118c0aae3
[INFO] running `Command { std: "docker" "start" "-a" "fe367cd395411e9ec4740508e8a0e08902752f7ce3b6bf3561b6100118c0aae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling multipart v0.18.0
[INFO] [stderr]    Compiling headers v0.3.7
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling pin-project v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tungstenite v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.19
[INFO] [stderr]    Compiling warp v0.3.2
[INFO] [stderr]    Compiling backlink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use record::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::Config`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `file_ending` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let file_ending;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_file_ending` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         file_ending = "pdf";
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         file_ending = "png";
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let value = p
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 notify::DebouncedEvent::Write(v) => {},
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BackupCmd` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BackupCmd<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `check_room` are never used
[INFO] [stdout]   --> src/main.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl <'a>BackupCmd<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub(crate) fn run(&self) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn check_room() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/record.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordKeeper` is never constructed
[INFO] [stdout]  --> src/record.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RecordKeeper {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_loop` is never used
[INFO] [stdout]   --> src/record.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RecordKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub(crate) fn write_loop() {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "fe367cd395411e9ec4740508e8a0e08902752f7ce3b6bf3561b6100118c0aae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe367cd395411e9ec4740508e8a0e08902752f7ce3b6bf3561b6100118c0aae3", kill_on_drop: false }`
[INFO] [stdout] fe367cd395411e9ec4740508e8a0e08902752f7ce3b6bf3561b6100118c0aae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 55fa322f53f19651f1b77ab737654a898a36dfc128715d80a67b11a18d32364f
[INFO] running `Command { std: "docker" "start" "-a" "55fa322f53f19651f1b77ab737654a898a36dfc128715d80a67b11a18d32364f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backlink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use record::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::Config`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `file_ending` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let file_ending;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_file_ending` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         file_ending = "pdf";
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         file_ending = "png";
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let value = p
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 notify::DebouncedEvent::Write(v) => {},
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BackupCmd` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BackupCmd<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `check_room` are never used
[INFO] [stdout]   --> src/main.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl <'a>BackupCmd<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub(crate) fn run(&self) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn check_room() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/record.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordKeeper` is never constructed
[INFO] [stdout]  --> src/record.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RecordKeeper {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_loop` is never used
[INFO] [stdout]   --> src/record.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RecordKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub(crate) fn write_loop() {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "55fa322f53f19651f1b77ab737654a898a36dfc128715d80a67b11a18d32364f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fa322f53f19651f1b77ab737654a898a36dfc128715d80a67b11a18d32364f", kill_on_drop: false }`
[INFO] [stdout] 55fa322f53f19651f1b77ab737654a898a36dfc128715d80a67b11a18d32364f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 68654d62afdf425afc53ccc6e20bfc1f83bc2a49baafadadb4966f1391116f19
[INFO] running `Command { std: "docker" "start" "-a" "68654d62afdf425afc53ccc6e20bfc1f83bc2a49baafadadb4966f1391116f19", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `serde_json::from_str`
[INFO] [stderr]  --> src/config.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_json::from_str;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::*`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use config::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `load` and `parse` are never used
[INFO] [stderr]   --> src/config.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Config {
[INFO] [stderr]    | ----------- associated functions in this implementation
[INFO] [stderr] 20 |     pub(crate) fn load() {}
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 21 |
[INFO] [stderr] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backlink` (lib) generated 3 warnings (run `cargo fix --lib -p backlink` to apply 2 suggestions)
[INFO] [stderr] warning: `backlink` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `record::*`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use record::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::Config`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use config::Config;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `file_ending` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let file_ending;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_file_ending` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `file_ending` is never read
[INFO] [stderr]    --> src/main.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                         file_ending = "pdf";
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `file_ending` is never read
[INFO] [stderr]    --> src/main.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |                         file_ending = "png";
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/main.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let value = p
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/main.rs:74:47
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 notify::DebouncedEvent::Write(v) => {},
[INFO] [stderr]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BackupCmd` is never constructed
[INFO] [stderr]   --> src/main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct BackupCmd<'a> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `run`, and `check_room` are never used
[INFO] [stderr]   --> src/main.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl <'a>BackupCmd<'a> {
[INFO] [stderr]    | ---------------------- associated items in this implementation
[INFO] [stderr] 29 |     pub(crate) fn new() -> Result<Self, Box<dyn Error>> {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub(crate) fn run(&self) -> Result<String, Box<dyn Error>> {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn check_room() -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `load` and `parse` are never used
[INFO] [stderr]   --> src/config.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Config {
[INFO] [stderr]    | ----------- associated functions in this implementation
[INFO] [stderr] 20 |     pub(crate) fn load() {}
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 21 |
[INFO] [stderr] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Record` is never constructed
[INFO] [stderr]  --> src/record.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Record {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RecordKeeper` is never constructed
[INFO] [stderr]  --> src/record.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) struct RecordKeeper {
[INFO] [stderr]   |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `write_loop` is never used
[INFO] [stderr]   --> src/record.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl RecordKeeper {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 13 |     pub(crate) fn write_loop() {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `backlink` (bin "backlink" test) generated 14 warnings (1 duplicate) (run `cargo fix --bin "backlink" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/backlink-da3afaaa4f3ce68c)
[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/x86_64-unknown-linux-musl/debug/deps/backlink-cd380d4c593ebe1d)
[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] running `Command { std: "docker" "inspect" "68654d62afdf425afc53ccc6e20bfc1f83bc2a49baafadadb4966f1391116f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68654d62afdf425afc53ccc6e20bfc1f83bc2a49baafadadb4966f1391116f19", kill_on_drop: false }`
[INFO] [stdout] 68654d62afdf425afc53ccc6e20bfc1f83bc2a49baafadadb4966f1391116f19