[INFO] crate corn 0.1.1 is already in cache
[INFO] extracting crate corn 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/corn/0.1.1
[INFO] extracting crate corn 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/corn/0.1.1
[INFO] validating manifest of corn-0.1.1 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 corn-0.1.1 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 corn-0.1.1
[INFO] finished frobbing corn-0.1.1
[INFO] frobbed toml for corn-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/corn/0.1.1/Cargo.toml
[INFO] started frobbing corn-0.1.1
[INFO] finished frobbing corn-0.1.1
[INFO] frobbed toml for corn-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/corn/0.1.1/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 corn-0.1.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/corn/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0334945b68333564753384317d9ee764f7ddf9bc3ceae09fec4d0c7d1549de61
[INFO] running `"docker" "start" "-a" "0334945b68333564753384317d9ee764f7ddf9bc3ceae09fec4d0c7d1549de61"`
[INFO] [stderr]    Compiling corn v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "0334945b68333564753384317d9ee764f7ddf9bc3ceae09fec4d0c7d1549de61"`
[INFO] running `"docker" "rm" "-f" "0334945b68333564753384317d9ee764f7ddf9bc3ceae09fec4d0c7d1549de61"`
[INFO] [stdout] 0334945b68333564753384317d9ee764f7ddf9bc3ceae09fec4d0c7d1549de61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/corn/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29917d1161dfb352a69784a5df80399aeea44e965efedb6e703de76870120cd3
[INFO] running `"docker" "start" "-a" "29917d1161dfb352a69784a5df80399aeea44e965efedb6e703de76870120cd3"`
[INFO] [stderr]    Compiling corn v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "29917d1161dfb352a69784a5df80399aeea44e965efedb6e703de76870120cd3"`
[INFO] running `"docker" "rm" "-f" "29917d1161dfb352a69784a5df80399aeea44e965efedb6e703de76870120cd3"`
[INFO] [stdout] 29917d1161dfb352a69784a5df80399aeea44e965efedb6e703de76870120cd3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/corn/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a8d4c5d7534fafc13ef457ec3c1b5a729ab8d05b97f3cad4dfb12fa1267852a7
[INFO] running `"docker" "start" "-a" "a8d4c5d7534fafc13ef457ec3c1b5a729ab8d05b97f3cad4dfb12fa1267852a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/corn-982699e1af3cd575
[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" "a8d4c5d7534fafc13ef457ec3c1b5a729ab8d05b97f3cad4dfb12fa1267852a7"`
[INFO] running `"docker" "rm" "-f" "a8d4c5d7534fafc13ef457ec3c1b5a729ab8d05b97f3cad4dfb12fa1267852a7"`
[INFO] [stdout] a8d4c5d7534fafc13ef457ec3c1b5a729ab8d05b97f3cad4dfb12fa1267852a7