[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 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-4/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] dee9c7aae62223a543ebec3e8be77de7d1d104f53fbc2e3e5c8cc0edc5c0d99f
[INFO] running `"docker" "start" "-a" "dee9c7aae62223a543ebec3e8be77de7d1d104f53fbc2e3e5c8cc0edc5c0d99f"`
[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 1.87s
[INFO] running `"docker" "inspect" "dee9c7aae62223a543ebec3e8be77de7d1d104f53fbc2e3e5c8cc0edc5c0d99f"`
[INFO] running `"docker" "rm" "-f" "dee9c7aae62223a543ebec3e8be77de7d1d104f53fbc2e3e5c8cc0edc5c0d99f"`
[INFO] [stdout] dee9c7aae62223a543ebec3e8be77de7d1d104f53fbc2e3e5c8cc0edc5c0d99f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] bfe5456b0845bc0b1c3999b2eaba160642b127278a38f4e74029b9e276104ece
[INFO] running `"docker" "start" "-a" "bfe5456b0845bc0b1c3999b2eaba160642b127278a38f4e74029b9e276104ece"`
[INFO] [stderr]    Compiling buildtime-png v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "bfe5456b0845bc0b1c3999b2eaba160642b127278a38f4e74029b9e276104ece"`
[INFO] running `"docker" "rm" "-f" "bfe5456b0845bc0b1c3999b2eaba160642b127278a38f4e74029b9e276104ece"`
[INFO] [stdout] bfe5456b0845bc0b1c3999b2eaba160642b127278a38f4e74029b9e276104ece
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3b842ac944f2c355529844cb34508296f32b11f2111cb2f61160f4b20ce170c3
[INFO] running `"docker" "start" "-a" "3b842ac944f2c355529844cb34508296f32b11f2111cb2f61160f4b20ce170c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buildtime_png-e72a36a9e483b497
[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" "3b842ac944f2c355529844cb34508296f32b11f2111cb2f61160f4b20ce170c3"`
[INFO] running `"docker" "rm" "-f" "3b842ac944f2c355529844cb34508296f32b11f2111cb2f61160f4b20ce170c3"`
[INFO] [stdout] 3b842ac944f2c355529844cb34508296f32b11f2111cb2f61160f4b20ce170c3