[INFO] crate railcar 0.0.0 is already in cache
[INFO] extracting crate railcar 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/railcar/0.0.0
[INFO] extracting crate railcar 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/railcar/0.0.0
[INFO] validating manifest of railcar-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 railcar-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 railcar-0.0.0
[INFO] finished frobbing railcar-0.0.0
[INFO] frobbed toml for railcar-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/railcar/0.0.0/Cargo.toml
[INFO] started frobbing railcar-0.0.0
[INFO] finished frobbing railcar-0.0.0
[INFO] frobbed toml for railcar-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/railcar/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 railcar-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/railcar/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] 97f3b001cedd180311ecd5e53be004c1eeb29a0874016abca614bd95b7f38992
[INFO] running `"docker" "start" "-a" "97f3b001cedd180311ecd5e53be004c1eeb29a0874016abca614bd95b7f38992"`
[INFO] [stderr]    Compiling railcar v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "97f3b001cedd180311ecd5e53be004c1eeb29a0874016abca614bd95b7f38992"`
[INFO] running `"docker" "rm" "-f" "97f3b001cedd180311ecd5e53be004c1eeb29a0874016abca614bd95b7f38992"`
[INFO] [stdout] 97f3b001cedd180311ecd5e53be004c1eeb29a0874016abca614bd95b7f38992
[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/railcar/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] 20c5247d23ec7a6a4f37bcb378fb39066bdeb9ff3069504c2d9a0d843f2cdfb3
[INFO] running `"docker" "start" "-a" "20c5247d23ec7a6a4f37bcb378fb39066bdeb9ff3069504c2d9a0d843f2cdfb3"`
[INFO] [stderr]    Compiling railcar v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "20c5247d23ec7a6a4f37bcb378fb39066bdeb9ff3069504c2d9a0d843f2cdfb3"`
[INFO] running `"docker" "rm" "-f" "20c5247d23ec7a6a4f37bcb378fb39066bdeb9ff3069504c2d9a0d843f2cdfb3"`
[INFO] [stdout] 20c5247d23ec7a6a4f37bcb378fb39066bdeb9ff3069504c2d9a0d843f2cdfb3
[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/railcar/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] f4b6d1eaefb62ebc75655c0fa6f0ae674ed40793559fc58d230739e8a5609d7d
[INFO] running `"docker" "start" "-a" "f4b6d1eaefb62ebc75655c0fa6f0ae674ed40793559fc58d230739e8a5609d7d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/railcar-d0ad7ee8b49749cf
[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" "f4b6d1eaefb62ebc75655c0fa6f0ae674ed40793559fc58d230739e8a5609d7d"`
[INFO] running `"docker" "rm" "-f" "f4b6d1eaefb62ebc75655c0fa6f0ae674ed40793559fc58d230739e8a5609d7d"`
[INFO] [stdout] f4b6d1eaefb62ebc75655c0fa6f0ae674ed40793559fc58d230739e8a5609d7d