[INFO] fetching crate imghdr 0.7.0...
[INFO] testing imghdr-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate imghdr 0.7.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate imghdr 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imghdr 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate imghdr 0.7.0
[INFO] tweaked toml for crates.io crate imghdr 0.7.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6bef97470252ac23bffee3598e60954170ab41aa537ab4e32098b6aa45b7299
[INFO] running `Command { std: "docker" "start" "-a" "c6bef97470252ac23bffee3598e60954170ab41aa537ab4e32098b6aa45b7299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6bef97470252ac23bffee3598e60954170ab41aa537ab4e32098b6aa45b7299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bef97470252ac23bffee3598e60954170ab41aa537ab4e32098b6aa45b7299", kill_on_drop: false }`
[INFO] [stdout] c6bef97470252ac23bffee3598e60954170ab41aa537ab4e32098b6aa45b7299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f0f4c493846369945a0d594123959eb506b1dc474634ca6b755a9cfce650b82
[INFO] running `Command { std: "docker" "start" "-a" "7f0f4c493846369945a0d594123959eb506b1dc474634ca6b755a9cfce650b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling imghdr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "7f0f4c493846369945a0d594123959eb506b1dc474634ca6b755a9cfce650b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0f4c493846369945a0d594123959eb506b1dc474634ca6b755a9cfce650b82", kill_on_drop: false }`
[INFO] [stdout] 7f0f4c493846369945a0d594123959eb506b1dc474634ca6b755a9cfce650b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60132629593576b90492c12963f5175a254722e0ac291d04be921dc45ce8f4f
[INFO] running `Command { std: "docker" "start" "-a" "c60132629593576b90492c12963f5175a254722e0ac291d04be921dc45ce8f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling imghdr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "c60132629593576b90492c12963f5175a254722e0ac291d04be921dc45ce8f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60132629593576b90492c12963f5175a254722e0ac291d04be921dc45ce8f4f", kill_on_drop: false }`
[INFO] [stdout] c60132629593576b90492c12963f5175a254722e0ac291d04be921dc45ce8f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b9a9d8eb5435d6913bee9748c260002ba2d7fbf5cd2325163e6a492586eefd7
[INFO] running `Command { std: "docker" "start" "-a" "1b9a9d8eb5435d6913bee9748c260002ba2d7fbf5cd2325163e6a492586eefd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imghdr-a68961dbf79ac648)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-5b45e3f5a867f192)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_bgp ... ok
[INFO] [stdout] test test_gif ... ok
[INFO] [stdout] test test_flif ... ok
[INFO] [stdout] test test_jpeg ... ok
[INFO] [stdout] test test_not_a_image ... ok
[INFO] [stdout] test test_bmp ... ok
[INFO] [stdout] test test_pbm ... ok
[INFO] [stdout] test test_exr ... ok
[INFO] [stdout] test test_ico ... ok
[INFO] [stdout] test test_pgm ... ok
[INFO] [stdout] test test_png ... ok
[INFO] [stdout] test test_ppm ... ok
[INFO] [stdout] test test_rgb ... ok
[INFO] [stdout] test test_tiff ... ok
[INFO] [stdout] test test_rgbe ... ok
[INFO] [stdout] test test_webp ... ok
[INFO] [stdout] test test_xbm ... ok
[INFO] [stdout] test test_not_a_file - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imghdr
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/std_ext.rs - std_ext::from_file (line 45) ... ok
[INFO] [stdout] test src/std_ext.rs - std_ext::from_reader (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b9a9d8eb5435d6913bee9748c260002ba2d7fbf5cd2325163e6a492586eefd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9a9d8eb5435d6913bee9748c260002ba2d7fbf5cd2325163e6a492586eefd7", kill_on_drop: false }`
[INFO] [stdout] 1b9a9d8eb5435d6913bee9748c260002ba2d7fbf5cd2325163e6a492586eefd7