[INFO] crate mirror 0.0.0 is already in cache
[INFO] extracting crate mirror 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mirror/0.0.0
[INFO] extracting crate mirror 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mirror/0.0.0
[INFO] validating manifest of mirror-0.0.0 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 mirror-0.0.0 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 mirror-0.0.0
[INFO] finished frobbing mirror-0.0.0
[INFO] frobbed toml for mirror-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mirror/0.0.0/Cargo.toml
[INFO] started frobbing mirror-0.0.0
[INFO] finished frobbing mirror-0.0.0
[INFO] frobbed toml for mirror-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mirror/0.0.0/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] 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mirror-0.0.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mirror/0.0.0:/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] 9f85e15367867b131acd23287d363cc57f431e372997ee06a38570b597715120
[INFO] running `"docker" "start" "-a" "9f85e15367867b131acd23287d363cc57f431e372997ee06a38570b597715120"`
[INFO] [stderr]    Compiling mirror v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `"docker" "inspect" "9f85e15367867b131acd23287d363cc57f431e372997ee06a38570b597715120"`
[INFO] running `"docker" "rm" "-f" "9f85e15367867b131acd23287d363cc57f431e372997ee06a38570b597715120"`
[INFO] [stdout] 9f85e15367867b131acd23287d363cc57f431e372997ee06a38570b597715120
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mirror/0.0.0:/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] 3ec68eaaf0ad22695220165afb4887b9e3108686a286afd1a35349aeb3a5b708
[INFO] running `"docker" "start" "-a" "3ec68eaaf0ad22695220165afb4887b9e3108686a286afd1a35349aeb3a5b708"`
[INFO] [stderr]    Compiling mirror v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "3ec68eaaf0ad22695220165afb4887b9e3108686a286afd1a35349aeb3a5b708"`
[INFO] running `"docker" "rm" "-f" "3ec68eaaf0ad22695220165afb4887b9e3108686a286afd1a35349aeb3a5b708"`
[INFO] [stdout] 3ec68eaaf0ad22695220165afb4887b9e3108686a286afd1a35349aeb3a5b708
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mirror/0.0.0:/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] 0534af12b31c817a2dac508f906ab5f89d742cbaf88a05a4e17c237b340ff83c
[INFO] running `"docker" "start" "-a" "0534af12b31c817a2dac508f906ab5f89d742cbaf88a05a4e17c237b340ff83c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mirror-39d868af9cf0f05f
[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 mirror
[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" "0534af12b31c817a2dac508f906ab5f89d742cbaf88a05a4e17c237b340ff83c"`
[INFO] running `"docker" "rm" "-f" "0534af12b31c817a2dac508f906ab5f89d742cbaf88a05a4e17c237b340ff83c"`
[INFO] [stdout] 0534af12b31c817a2dac508f906ab5f89d742cbaf88a05a4e17c237b340ff83c