[INFO] crate libimagcounter 0.4.0 is already in cache
[INFO] extracting crate libimagcounter 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/libimagcounter/0.4.0
[INFO] extracting crate libimagcounter 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libimagcounter/0.4.0
[INFO] validating manifest of libimagcounter-0.4.0 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 libimagcounter-0.4.0 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 libimagcounter-0.4.0
[INFO] finished frobbing libimagcounter-0.4.0
[INFO] frobbed toml for libimagcounter-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libimagcounter/0.4.0/Cargo.toml
[INFO] started frobbing libimagcounter-0.4.0
[INFO] finished frobbing libimagcounter-0.4.0
[INFO] frobbed toml for libimagcounter-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libimagcounter/0.4.0/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 libimagcounter-0.4.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libimagcounter/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37ff641a3b2d94e13fe9ae1c620e48e623e166046bdcf1c376e43c04b597be07
[INFO] running `"docker" "start" "-a" "37ff641a3b2d94e13fe9ae1c620e48e623e166046bdcf1c376e43c04b597be07"`
[INFO] [stderr]    Compiling version v2.0.1
[INFO] [stderr]    Compiling libimagerror v0.4.0
[INFO] [stderr]    Compiling libimagutil v0.4.0
[INFO] [stderr]    Compiling toml-query v0.3.1
[INFO] [stderr]    Compiling libimagstore v0.4.0
[INFO] [stderr]    Compiling libimagcounter v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `DerefMut` is imported redundantly
[INFO] [stderr]   --> src/counter.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::ops::DerefMut;
[INFO] [stderr]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::ops::DerefMut;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     unused_imports,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.67s
[INFO] running `"docker" "inspect" "37ff641a3b2d94e13fe9ae1c620e48e623e166046bdcf1c376e43c04b597be07"`
[INFO] running `"docker" "rm" "-f" "37ff641a3b2d94e13fe9ae1c620e48e623e166046bdcf1c376e43c04b597be07"`
[INFO] [stdout] 37ff641a3b2d94e13fe9ae1c620e48e623e166046bdcf1c376e43c04b597be07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libimagcounter/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3aac80e504c3a4064b724e7ce906db4a4a49ec50af497b95c23ffb16ce32fc04
[INFO] running `"docker" "start" "-a" "3aac80e504c3a4064b724e7ce906db4a4a49ec50af497b95c23ffb16ce32fc04"`
[INFO] [stderr]    Compiling libimagcounter v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `DerefMut` is imported redundantly
[INFO] [stderr]   --> src/counter.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::ops::DerefMut;
[INFO] [stderr]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::ops::DerefMut;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     unused_imports,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "3aac80e504c3a4064b724e7ce906db4a4a49ec50af497b95c23ffb16ce32fc04"`
[INFO] running `"docker" "rm" "-f" "3aac80e504c3a4064b724e7ce906db4a4a49ec50af497b95c23ffb16ce32fc04"`
[INFO] [stdout] 3aac80e504c3a4064b724e7ce906db4a4a49ec50af497b95c23ffb16ce32fc04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libimagcounter/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 34741b24ceb43cfae7bb3d43ff46186ab6de516145f4348a6fa307297ab68e4b
[INFO] running `"docker" "start" "-a" "34741b24ceb43cfae7bb3d43ff46186ab6de516145f4348a6fa307297ab68e4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libimagcounter-4fce852acd757dc5
[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 libimagcounter
[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" "34741b24ceb43cfae7bb3d43ff46186ab6de516145f4348a6fa307297ab68e4b"`
[INFO] running `"docker" "rm" "-f" "34741b24ceb43cfae7bb3d43ff46186ab6de516145f4348a6fa307297ab68e4b"`
[INFO] [stdout] 34741b24ceb43cfae7bb3d43ff46186ab6de516145f4348a6fa307297ab68e4b