[INFO] fetching crate cargo-osha 0.1.1...
[INFO] testing cargo-osha-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-osha 0.1.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate cargo-osha 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-osha 0.1.1
[INFO] finished tweaking crates.io crate cargo-osha 0.1.1
[INFO] tweaked toml for crates.io crate cargo-osha 0.1.1 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f828edde12da32692a4815970cd18efa996cb4de655cd38cfae8a7435e277f0a
[INFO] running `Command { std: "docker" "start" "-a" "f828edde12da32692a4815970cd18efa996cb4de655cd38cfae8a7435e277f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f828edde12da32692a4815970cd18efa996cb4de655cd38cfae8a7435e277f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f828edde12da32692a4815970cd18efa996cb4de655cd38cfae8a7435e277f0a", kill_on_drop: false }`
[INFO] [stdout] f828edde12da32692a4815970cd18efa996cb4de655cd38cfae8a7435e277f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70169716ee1792491cc6326d744a9613f441351dc2e963783fe5343d6f6fc43
[INFO] running `Command { std: "docker" "start" "-a" "c70169716ee1792491cc6326d744a9613f441351dc2e963783fe5343d6f6fc43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling cargo-osha v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let a = 10;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | unsafe fn foo() {
[INFO] [stdout]    | --------------- because it's nested under this `unsafe` fn
[INFO] [stdout] 12 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | unsafe fn foo() {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.42s
[INFO] running `Command { std: "docker" "inspect" "c70169716ee1792491cc6326d744a9613f441351dc2e963783fe5343d6f6fc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70169716ee1792491cc6326d744a9613f441351dc2e963783fe5343d6f6fc43", kill_on_drop: false }`
[INFO] [stdout] c70169716ee1792491cc6326d744a9613f441351dc2e963783fe5343d6f6fc43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10e0cada80507db123276c33a76268adeb6d4349a6356390d6db2d10dfe8b23d
[INFO] running `Command { std: "docker" "start" "-a" "10e0cada80507db123276c33a76268adeb6d4349a6356390d6db2d10dfe8b23d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-osha v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let a = 10;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | unsafe fn foo() {
[INFO] [stdout]    | --------------- because it's nested under this `unsafe` fn
[INFO] [stdout] 12 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | unsafe fn foo() {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "10e0cada80507db123276c33a76268adeb6d4349a6356390d6db2d10dfe8b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e0cada80507db123276c33a76268adeb6d4349a6356390d6db2d10dfe8b23d", kill_on_drop: false }`
[INFO] [stdout] 10e0cada80507db123276c33a76268adeb6d4349a6356390d6db2d10dfe8b23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d14922155dfee082bc330221cc8445bed91cf9670f7607dbdf151d6785952708
[INFO] running `Command { std: "docker" "start" "-a" "d14922155dfee082bc330221cc8445bed91cf9670f7607dbdf151d6785952708", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let a = 10;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    | --------------- because it's nested under this `unsafe` fn
[INFO] [stderr] 12 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/main.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-osha` (bin "cargo-osha" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_osha-e3d921bcf786a08f)
[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" "d14922155dfee082bc330221cc8445bed91cf9670f7607dbdf151d6785952708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14922155dfee082bc330221cc8445bed91cf9670f7607dbdf151d6785952708", kill_on_drop: false }`
[INFO] [stdout] d14922155dfee082bc330221cc8445bed91cf9670f7607dbdf151d6785952708