[INFO] crate backlight 0.1.1 is already in cache
[INFO] extracting crate backlight 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/backlight/0.1.1
[INFO] extracting crate backlight 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/backlight/0.1.1
[INFO] validating manifest of backlight-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 backlight-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 backlight-0.1.1
[INFO] finished frobbing backlight-0.1.1
[INFO] frobbed toml for backlight-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/backlight/0.1.1/Cargo.toml
[INFO] started frobbing backlight-0.1.1
[INFO] finished frobbing backlight-0.1.1
[INFO] frobbed toml for backlight-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/backlight/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] [stderr]     Blocking waiting for file lock on package cache
[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 backlight-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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/backlight/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] e31f74acf3f15ab18136f63e6bd090f45abd25898352e4bc53cb323533d9d70d
[INFO] running `"docker" "start" "-a" "e31f74acf3f15ab18136f63e6bd090f45abd25898352e4bc53cb323533d9d70d"`
[INFO] [stderr]    Compiling backlight v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "e31f74acf3f15ab18136f63e6bd090f45abd25898352e4bc53cb323533d9d70d"`
[INFO] running `"docker" "rm" "-f" "e31f74acf3f15ab18136f63e6bd090f45abd25898352e4bc53cb323533d9d70d"`
[INFO] [stdout] e31f74acf3f15ab18136f63e6bd090f45abd25898352e4bc53cb323533d9d70d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/backlight/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] 5fb3f03665b358f944e15a4be534e32cdefe21dd6bc0525aca543280deca7a2c
[INFO] running `"docker" "start" "-a" "5fb3f03665b358f944e15a4be534e32cdefe21dd6bc0525aca543280deca7a2c"`
[INFO] [stderr]    Compiling backlight v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "5fb3f03665b358f944e15a4be534e32cdefe21dd6bc0525aca543280deca7a2c"`
[INFO] running `"docker" "rm" "-f" "5fb3f03665b358f944e15a4be534e32cdefe21dd6bc0525aca543280deca7a2c"`
[INFO] [stdout] 5fb3f03665b358f944e15a4be534e32cdefe21dd6bc0525aca543280deca7a2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/backlight/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] 4c22f6bd64dbb0d497d1efb3b216e1a527f9769383b2e8b3b3cedbebfa5bb5cc
[INFO] running `"docker" "start" "-a" "4c22f6bd64dbb0d497d1efb3b216e1a527f9769383b2e8b3b3cedbebfa5bb5cc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/backlight-ff341bc2adf0434e
[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] [stderr]    Doc-tests backlight
[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" "4c22f6bd64dbb0d497d1efb3b216e1a527f9769383b2e8b3b3cedbebfa5bb5cc"`
[INFO] running `"docker" "rm" "-f" "4c22f6bd64dbb0d497d1efb3b216e1a527f9769383b2e8b3b3cedbebfa5bb5cc"`
[INFO] [stdout] 4c22f6bd64dbb0d497d1efb3b216e1a527f9769383b2e8b3b3cedbebfa5bb5cc