[INFO] crate cargo-osha 0.1.1 is already in cache
[INFO] extracting crate cargo-osha 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-osha/0.1.1
[INFO] extracting crate cargo-osha 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-osha/0.1.1
[INFO] validating manifest of cargo-osha-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-osha-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-osha-0.1.1
[INFO] finished frobbing cargo-osha-0.1.1
[INFO] frobbed toml for cargo-osha-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-osha/0.1.1/Cargo.toml
[INFO] started frobbing cargo-osha-0.1.1
[INFO] finished frobbing cargo-osha-0.1.1
[INFO] frobbed toml for cargo-osha-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-osha/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-osha-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-osha/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3e32cd8eb86a6ee77932326404265f4627e696461c66d5cae4248e107138e4ce
[INFO] running `"docker" "start" "-a" "3e32cd8eb86a6ee77932326404265f4627e696461c66d5cae4248e107138e4ce"`
[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/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let a = 10;
[INFO] [stderr]    |             ^ help: consider prefixing 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:11:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `"docker" "inspect" "3e32cd8eb86a6ee77932326404265f4627e696461c66d5cae4248e107138e4ce"`
[INFO] running `"docker" "rm" "-f" "3e32cd8eb86a6ee77932326404265f4627e696461c66d5cae4248e107138e4ce"`
[INFO] [stdout] 3e32cd8eb86a6ee77932326404265f4627e696461c66d5cae4248e107138e4ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-osha/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce3d9bda5fa686c14e05034a176050c07c181e7e921196cb9c49c88846763c02
[INFO] running `"docker" "start" "-a" "ce3d9bda5fa686c14e05034a176050c07c181e7e921196cb9c49c88846763c02"`
[INFO] [stderr]    Compiling cargo-osha v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let a = 10;
[INFO] [stderr]    |             ^ help: consider prefixing 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:11:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "ce3d9bda5fa686c14e05034a176050c07c181e7e921196cb9c49c88846763c02"`
[INFO] running `"docker" "rm" "-f" "ce3d9bda5fa686c14e05034a176050c07c181e7e921196cb9c49c88846763c02"`
[INFO] [stdout] ce3d9bda5fa686c14e05034a176050c07c181e7e921196cb9c49c88846763c02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-osha/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 821bcf97c6c1db230dacca2c93c30bf6f4ee12e3778c0f28c09075f9106f8a62
[INFO] running `"docker" "start" "-a" "821bcf97c6c1db230dacca2c93c30bf6f4ee12e3778c0f28c09075f9106f8a62"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_osha-9664760da45c4458
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "821bcf97c6c1db230dacca2c93c30bf6f4ee12e3778c0f28c09075f9106f8a62"`
[INFO] running `"docker" "rm" "-f" "821bcf97c6c1db230dacca2c93c30bf6f4ee12e3778c0f28c09075f9106f8a62"`
[INFO] [stdout] 821bcf97c6c1db230dacca2c93c30bf6f4ee12e3778c0f28c09075f9106f8a62