[INFO] crate libimagerror 0.9.3 is already in cache
[INFO] extracting crate libimagerror 0.9.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/libimagerror/0.9.3
[INFO] extracting crate libimagerror 0.9.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagerror/0.9.3
[INFO] validating manifest of libimagerror-0.9.3 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 libimagerror-0.9.3 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 libimagerror-0.9.3
[INFO] finished frobbing libimagerror-0.9.3
[INFO] frobbed toml for libimagerror-0.9.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libimagerror/0.9.3/Cargo.toml
[INFO] started frobbing libimagerror-0.9.3
[INFO] finished frobbing libimagerror-0.9.3
[INFO] frobbed toml for libimagerror-0.9.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagerror/0.9.3/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing libimagerror-0.9.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagerror/0.9.3:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bd489b81d6e6a486484da5800eff20db407e4e9cca37f471ad6c38fa253b4f38
[INFO] running `"docker" "start" "-a" "bd489b81d6e6a486484da5800eff20db407e4e9cca37f471ad6c38fa253b4f38"`
[INFO] [stderr]    Compiling libimagerror v0.9.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "bd489b81d6e6a486484da5800eff20db407e4e9cca37f471ad6c38fa253b4f38"`
[INFO] running `"docker" "rm" "-f" "bd489b81d6e6a486484da5800eff20db407e4e9cca37f471ad6c38fa253b4f38"`
[INFO] [stdout] bd489b81d6e6a486484da5800eff20db407e4e9cca37f471ad6c38fa253b4f38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagerror/0.9.3:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9be3440e9a0bc9b47d698adeafbb83d0583ac2f0ee56fc5d2157cb48d8e86236
[INFO] running `"docker" "start" "-a" "9be3440e9a0bc9b47d698adeafbb83d0583ac2f0ee56fc5d2157cb48d8e86236"`
[INFO] [stderr]    Compiling libimagerror v0.9.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "9be3440e9a0bc9b47d698adeafbb83d0583ac2f0ee56fc5d2157cb48d8e86236"`
[INFO] running `"docker" "rm" "-f" "9be3440e9a0bc9b47d698adeafbb83d0583ac2f0ee56fc5d2157cb48d8e86236"`
[INFO] [stdout] 9be3440e9a0bc9b47d698adeafbb83d0583ac2f0ee56fc5d2157cb48d8e86236
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagerror/0.9.3:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e52ce4cf7b675f4c2c5a802abedaa6ce4e9df78dcb8ea7d5f35769032c27ad3e
[INFO] running `"docker" "start" "-a" "e52ce4cf7b675f4c2c5a802abedaa6ce4e9df78dcb8ea7d5f35769032c27ad3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libimagerror-3f4eac564a09921d
[INFO] [stderr]    Doc-tests libimagerror
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/trace.rs - trace::MapErrTrace (line 67) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e52ce4cf7b675f4c2c5a802abedaa6ce4e9df78dcb8ea7d5f35769032c27ad3e"`
[INFO] running `"docker" "rm" "-f" "e52ce4cf7b675f4c2c5a802abedaa6ce4e9df78dcb8ea7d5f35769032c27ad3e"`
[INFO] [stdout] e52ce4cf7b675f4c2c5a802abedaa6ce4e9df78dcb8ea7d5f35769032c27ad3e