[INFO] crate stepper 0.1.0 is already in cache
[INFO] extracting crate stepper 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stepper/0.1.0
[INFO] extracting crate stepper 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stepper/0.1.0
[INFO] validating manifest of stepper-0.1.0 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 stepper-0.1.0 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 stepper-0.1.0
[INFO] finished frobbing stepper-0.1.0
[INFO] frobbed toml for stepper-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stepper/0.1.0/Cargo.toml
[INFO] started frobbing stepper-0.1.0
[INFO] finished frobbing stepper-0.1.0
[INFO] frobbed toml for stepper-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stepper/0.1.0/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 stepper-0.1.0 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/stepper/0.1.0:/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] f39f4ac9528c4caebf509a58586b5bbdde5419ada641b6c7d53e19757b5e0649
[INFO] running `"docker" "start" "-a" "f39f4ac9528c4caebf509a58586b5bbdde5419ada641b6c7d53e19757b5e0649"`
[INFO] [stderr]    Compiling stepper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "f39f4ac9528c4caebf509a58586b5bbdde5419ada641b6c7d53e19757b5e0649"`
[INFO] running `"docker" "rm" "-f" "f39f4ac9528c4caebf509a58586b5bbdde5419ada641b6c7d53e19757b5e0649"`
[INFO] [stdout] f39f4ac9528c4caebf509a58586b5bbdde5419ada641b6c7d53e19757b5e0649
[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/stepper/0.1.0:/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] 84113bec5e614bfecb2a996380826a2898bc4a085393b05886357a07980bf7ec
[INFO] running `"docker" "start" "-a" "84113bec5e614bfecb2a996380826a2898bc4a085393b05886357a07980bf7ec"`
[INFO] [stderr]    Compiling stepper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "84113bec5e614bfecb2a996380826a2898bc4a085393b05886357a07980bf7ec"`
[INFO] running `"docker" "rm" "-f" "84113bec5e614bfecb2a996380826a2898bc4a085393b05886357a07980bf7ec"`
[INFO] [stdout] 84113bec5e614bfecb2a996380826a2898bc4a085393b05886357a07980bf7ec
[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/stepper/0.1.0:/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] 54b5c84028c0da0dc88dcecceb275ead5e46c98c3b54a1e6278cd4d62d1125ce
[INFO] running `"docker" "start" "-a" "54b5c84028c0da0dc88dcecceb275ead5e46c98c3b54a1e6278cd4d62d1125ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stepper-260300f358cc169d
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::step_down3 ... ok
[INFO] [stdout] test test::step_down2 ... ok
[INFO] [stdout] test test::step_down1 ... ok
[INFO] [stdout] test test::step_up1 ... ok
[INFO] [stdout] test test::step_up2 ... ok
[INFO] [stdout] test test::step_up3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stepper
[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" "54b5c84028c0da0dc88dcecceb275ead5e46c98c3b54a1e6278cd4d62d1125ce"`
[INFO] running `"docker" "rm" "-f" "54b5c84028c0da0dc88dcecceb275ead5e46c98c3b54a1e6278cd4d62d1125ce"`
[INFO] [stdout] 54b5c84028c0da0dc88dcecceb275ead5e46c98c3b54a1e6278cd4d62d1125ce