[INFO] crate derivation 0.1.0 is already in cache
[INFO] extracting crate derivation 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/derivation/0.1.0
[INFO] extracting crate derivation 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derivation/0.1.0
[INFO] validating manifest of derivation-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 derivation-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 derivation-0.1.0
[INFO] finished frobbing derivation-0.1.0
[INFO] frobbed toml for derivation-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/derivation/0.1.0/Cargo.toml
[INFO] started frobbing derivation-0.1.0
[INFO] finished frobbing derivation-0.1.0
[INFO] frobbed toml for derivation-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derivation/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 derivation-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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derivation/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] a3c822d1f28c5dd8b98a84bce1c2a2acd63a0647805962c9e1fb1dce0ddb6839
[INFO] running `"docker" "start" "-a" "a3c822d1f28c5dd8b98a84bce1c2a2acd63a0647805962c9e1fb1dce0ddb6839"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling derivation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "a3c822d1f28c5dd8b98a84bce1c2a2acd63a0647805962c9e1fb1dce0ddb6839"`
[INFO] running `"docker" "rm" "-f" "a3c822d1f28c5dd8b98a84bce1c2a2acd63a0647805962c9e1fb1dce0ddb6839"`
[INFO] [stdout] a3c822d1f28c5dd8b98a84bce1c2a2acd63a0647805962c9e1fb1dce0ddb6839
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derivation/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] 50fcad8198afef271ceab8224230b9bc8f71d120b4da37945f29df346b79a5e6
[INFO] running `"docker" "start" "-a" "50fcad8198afef271ceab8224230b9bc8f71d120b4da37945f29df346b79a5e6"`
[INFO] [stderr]    Compiling derivation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "50fcad8198afef271ceab8224230b9bc8f71d120b4da37945f29df346b79a5e6"`
[INFO] running `"docker" "rm" "-f" "50fcad8198afef271ceab8224230b9bc8f71d120b4da37945f29df346b79a5e6"`
[INFO] [stdout] 50fcad8198afef271ceab8224230b9bc8f71d120b4da37945f29df346b79a5e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derivation/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] 81445144696c15207fac7fa6bb4975d46d14c9710ddc43a514dcb44e13c4e41a
[INFO] running `"docker" "start" "-a" "81445144696c15207fac7fa6bb4975d46d14c9710ddc43a514dcb44e13c4e41a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/derivation-c257194bf4d6b199
[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 derivation
[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" "81445144696c15207fac7fa6bb4975d46d14c9710ddc43a514dcb44e13c4e41a"`
[INFO] running `"docker" "rm" "-f" "81445144696c15207fac7fa6bb4975d46d14c9710ddc43a514dcb44e13c4e41a"`
[INFO] [stdout] 81445144696c15207fac7fa6bb4975d46d14c9710ddc43a514dcb44e13c4e41a