[INFO] fetching crate refinery 0.5.0...
[INFO] checking refinery-0.5.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate refinery 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate refinery 0.5.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refinery 0.5.0
[INFO] finished tweaking crates.io crate refinery 0.5.0
[INFO] tweaked toml for crates.io crate refinery 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded refinery-macros v0.5.0
[INFO] [stderr]   Downloaded tokio-compat-02 v0.1.2
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded barrel v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e11f229e14b21ed1d6b9e3583d8c5a7c68d61c64274aba63848967af0446ed4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e11f229e14b21ed1d6b9e3583d8c5a7c68d61c64274aba63848967af0446ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e11f229e14b21ed1d6b9e3583d8c5a7c68d61c64274aba63848967af0446ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e11f229e14b21ed1d6b9e3583d8c5a7c68d61c64274aba63848967af0446ed4", kill_on_drop: false }`
[INFO] [stdout] 1e11f229e14b21ed1d6b9e3583d8c5a7c68d61c64274aba63848967af0446ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd5390c1ac2427768207bc2b63a5462ea16b6321f677ea3cfcac81bb24733bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bd5390c1ac2427768207bc2b63a5462ea16b6321f677ea3cfcac81bb24733bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling doc-comment v0.3.3
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[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
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[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking refinery-core v0.5.1
[INFO] [stderr]    Compiling refinery-macros v0.5.0
[INFO] [stderr]     Checking refinery v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V2__add_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V4__add_year_to_motos_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V3__add_brand_to_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V1__initial.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V2__add_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V4__add_year_to_motos_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V3__add_brand_to_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V1__initial.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V2__add_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V4__add_year_to_motos_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V3__add_brand_to_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V1__initial.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V2__add_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V4__add_year_to_motos_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V3__add_brand_to_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V1__initial.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V2__add_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V4__add_year_to_motos_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V3__add_brand_to_cars_table.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `migration`
[INFO] [stdout]  --> tests/mod_migrations/V1__initial.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn migration() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "4bd5390c1ac2427768207bc2b63a5462ea16b6321f677ea3cfcac81bb24733bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd5390c1ac2427768207bc2b63a5462ea16b6321f677ea3cfcac81bb24733bb", kill_on_drop: false }`
[INFO] [stdout] 4bd5390c1ac2427768207bc2b63a5462ea16b6321f677ea3cfcac81bb24733bb