[INFO] crate buildtime-png 0.1.4 is already in cache
[INFO] extracting crate buildtime-png 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/buildtime-png/0.1.4
[INFO] extracting crate buildtime-png 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buildtime-png/0.1.4
[INFO] validating manifest of buildtime-png-0.1.4 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 buildtime-png-0.1.4 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 buildtime-png-0.1.4
[INFO] finished frobbing buildtime-png-0.1.4
[INFO] frobbed toml for buildtime-png-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/buildtime-png/0.1.4/Cargo.toml
[INFO] started frobbing buildtime-png-0.1.4
[INFO] finished frobbing buildtime-png-0.1.4
[INFO] frobbed toml for buildtime-png-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buildtime-png/0.1.4/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 buildtime-png-0.1.4 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/buildtime-png/0.1.4:/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] b5c1c064609d725f71c8213fd4a068b8cc8651d19bedbbeb0ebba1426ec745da
[INFO] running `"docker" "start" "-a" "b5c1c064609d725f71c8213fd4a068b8cc8651d19bedbbeb0ebba1426ec745da"`
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling buildtime-png v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "b5c1c064609d725f71c8213fd4a068b8cc8651d19bedbbeb0ebba1426ec745da"`
[INFO] running `"docker" "rm" "-f" "b5c1c064609d725f71c8213fd4a068b8cc8651d19bedbbeb0ebba1426ec745da"`
[INFO] [stdout] b5c1c064609d725f71c8213fd4a068b8cc8651d19bedbbeb0ebba1426ec745da
[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/buildtime-png/0.1.4:/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] 2597e0296717495c81655b61ea503fcee205e2acce054caf14655aa49f090cc6
[INFO] running `"docker" "start" "-a" "2597e0296717495c81655b61ea503fcee205e2acce054caf14655aa49f090cc6"`
[INFO] [stderr]    Compiling buildtime-png v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "2597e0296717495c81655b61ea503fcee205e2acce054caf14655aa49f090cc6"`
[INFO] running `"docker" "rm" "-f" "2597e0296717495c81655b61ea503fcee205e2acce054caf14655aa49f090cc6"`
[INFO] [stdout] 2597e0296717495c81655b61ea503fcee205e2acce054caf14655aa49f090cc6
[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/buildtime-png/0.1.4:/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] 675ee9390fcf18cedc4a17665108b49194ffa5de2b61a2aeb11761721f18563b
[INFO] running `"docker" "start" "-a" "675ee9390fcf18cedc4a17665108b49194ffa5de2b61a2aeb11761721f18563b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buildtime_png-3f93d5765cb69cbb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test is_valid_ident_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buildtime_png
[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" "675ee9390fcf18cedc4a17665108b49194ffa5de2b61a2aeb11761721f18563b"`
[INFO] running `"docker" "rm" "-f" "675ee9390fcf18cedc4a17665108b49194ffa5de2b61a2aeb11761721f18563b"`
[INFO] [stdout] 675ee9390fcf18cedc4a17665108b49194ffa5de2b61a2aeb11761721f18563b