[INFO] crate awi 0.8.0 is already in cache
[INFO] extracting crate awi 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/awi/0.8.0
[INFO] extracting crate awi 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/awi/0.8.0
[INFO] validating manifest of awi-0.8.0 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 awi-0.8.0 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 awi-0.8.0
[INFO] finished frobbing awi-0.8.0
[INFO] frobbed toml for awi-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/awi/0.8.0/Cargo.toml
[INFO] started frobbing awi-0.8.0
[INFO] finished frobbing awi-0.8.0
[INFO] frobbed toml for awi-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/awi/0.8.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing awi-0.8.0 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/awi/0.8.0:/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] bb222d6a3683fe8c7f173ecd24184e111376fea6d4fc552e112ae044880c216a
[INFO] running `"docker" "start" "-a" "bb222d6a3683fe8c7f173ecd24184e111376fea6d4fc552e112ae044880c216a"`
[INFO] [stderr]    Compiling afi v0.7.0
[INFO] [stderr]    Compiling stick v0.4.1
[INFO] [stderr]    Compiling dl_api v0.2.0
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "bb222d6a3683fe8c7f173ecd24184e111376fea6d4fc552e112ae044880c216a"`
[INFO] running `"docker" "rm" "-f" "bb222d6a3683fe8c7f173ecd24184e111376fea6d4fc552e112ae044880c216a"`
[INFO] [stdout] bb222d6a3683fe8c7f173ecd24184e111376fea6d4fc552e112ae044880c216a
[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/awi/0.8.0:/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] 991d12a18c0de1a54c50dc6debbbe58ac144ca9260e3e31b0aab2bd8b1a24379
[INFO] running `"docker" "start" "-a" "991d12a18c0de1a54c50dc6debbbe58ac144ca9260e3e31b0aab2bd8b1a24379"`
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "991d12a18c0de1a54c50dc6debbbe58ac144ca9260e3e31b0aab2bd8b1a24379"`
[INFO] running `"docker" "rm" "-f" "991d12a18c0de1a54c50dc6debbbe58ac144ca9260e3e31b0aab2bd8b1a24379"`
[INFO] [stdout] 991d12a18c0de1a54c50dc6debbbe58ac144ca9260e3e31b0aab2bd8b1a24379
[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/awi/0.8.0:/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] 2c9bc3289af553a3f8bfaad4428813edb070c1ac38c3d8f32cd312ea30f06f4d
[INFO] running `"docker" "start" "-a" "2c9bc3289af553a3f8bfaad4428813edb070c1ac38c3d8f32cd312ea30f06f4d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/awi-27d7e4a6d86c2588
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests awi
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "2c9bc3289af553a3f8bfaad4428813edb070c1ac38c3d8f32cd312ea30f06f4d"`
[INFO] running `"docker" "rm" "-f" "2c9bc3289af553a3f8bfaad4428813edb070c1ac38c3d8f32cd312ea30f06f4d"`
[INFO] [stdout] 2c9bc3289af553a3f8bfaad4428813edb070c1ac38c3d8f32cd312ea30f06f4d