[INFO] crate vasputils 0.0.3 is already in cache
[INFO] extracting crate vasputils 0.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/vasputils/0.0.3
[INFO] extracting crate vasputils 0.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vasputils/0.0.3
[INFO] validating manifest of vasputils-0.0.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vasputils-0.0.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vasputils-0.0.3
[INFO] finished frobbing vasputils-0.0.3
[INFO] frobbed toml for vasputils-0.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vasputils/0.0.3/Cargo.toml
[INFO] started frobbing vasputils-0.0.3
[INFO] finished frobbing vasputils-0.0.3
[INFO] frobbed toml for vasputils-0.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vasputils/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing vasputils-0.0.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vasputils/0.0.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9a2a70b1d7042d13a5ef72d962f33aaa5c016096562eeabe8101b575c0ca30cc
[INFO] running `"docker" "start" "-a" "9a2a70b1d7042d13a5ef72d962f33aaa5c016096562eeabe8101b575c0ca30cc"`
[INFO] [stderr]    Compiling vasputils v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/source.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(target: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "9a2a70b1d7042d13a5ef72d962f33aaa5c016096562eeabe8101b575c0ca30cc"`
[INFO] running `"docker" "rm" "-f" "9a2a70b1d7042d13a5ef72d962f33aaa5c016096562eeabe8101b575c0ca30cc"`
[INFO] [stdout] 9a2a70b1d7042d13a5ef72d962f33aaa5c016096562eeabe8101b575c0ca30cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vasputils/0.0.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d403fd41fa862cd5ed3c30ba311e657bff649816dd60e9ee5f12821dce4da052
[INFO] running `"docker" "start" "-a" "d403fd41fa862cd5ed3c30ba311e657bff649816dd60e9ee5f12821dce4da052"`
[INFO] [stderr]    Compiling vasputils v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/source.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(target: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "d403fd41fa862cd5ed3c30ba311e657bff649816dd60e9ee5f12821dce4da052"`
[INFO] running `"docker" "rm" "-f" "d403fd41fa862cd5ed3c30ba311e657bff649816dd60e9ee5f12821dce4da052"`
[INFO] [stdout] d403fd41fa862cd5ed3c30ba311e657bff649816dd60e9ee5f12821dce4da052
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vasputils/0.0.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a4c5ef42f73e3a502751cebaf0fceb318f02c6789b38ef8e083b7ccd0cd9890e
[INFO] running `"docker" "start" "-a" "a4c5ef42f73e3a502751cebaf0fceb318f02c6789b38ef8e083b7ccd0cd9890e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vasputils-f735c84c5722130f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test utils::test::test_get_output_file_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a4c5ef42f73e3a502751cebaf0fceb318f02c6789b38ef8e083b7ccd0cd9890e"`
[INFO] running `"docker" "rm" "-f" "a4c5ef42f73e3a502751cebaf0fceb318f02c6789b38ef8e083b7ccd0cd9890e"`
[INFO] [stdout] a4c5ef42f73e3a502751cebaf0fceb318f02c6789b38ef8e083b7ccd0cd9890e