[INFO] fetching crate imghdr 0.7.0...
[INFO] testing imghdr-0.7.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate imghdr 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate imghdr 0.7.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0103f08f76f5708bac0ecdc18fa00ed09117b19bec056fc026e73439c20d2b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0103f08f76f5708bac0ecdc18fa00ed09117b19bec056fc026e73439c20d2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0103f08f76f5708bac0ecdc18fa00ed09117b19bec056fc026e73439c20d2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0103f08f76f5708bac0ecdc18fa00ed09117b19bec056fc026e73439c20d2b1", kill_on_drop: false }`
[INFO] [stdout] c0103f08f76f5708bac0ecdc18fa00ed09117b19bec056fc026e73439c20d2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd72cb24eed75a149125ab7f5cdf500b82f63907671d52bccb3e31776148210f
[INFO] running `Command { std: "docker" "start" "-a" "fd72cb24eed75a149125ab7f5cdf500b82f63907671d52bccb3e31776148210f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imghdr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "fd72cb24eed75a149125ab7f5cdf500b82f63907671d52bccb3e31776148210f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd72cb24eed75a149125ab7f5cdf500b82f63907671d52bccb3e31776148210f", kill_on_drop: false }`
[INFO] [stdout] fd72cb24eed75a149125ab7f5cdf500b82f63907671d52bccb3e31776148210f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12d879ec6052bc8dacb0199c816986ee9152919dbf59ba0cf5c5acb64b0ed98e
[INFO] running `Command { std: "docker" "start" "-a" "12d879ec6052bc8dacb0199c816986ee9152919dbf59ba0cf5c5acb64b0ed98e", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling csv v1.1.5
[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 24.65s
[INFO] running `Command { std: "docker" "inspect" "12d879ec6052bc8dacb0199c816986ee9152919dbf59ba0cf5c5acb64b0ed98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d879ec6052bc8dacb0199c816986ee9152919dbf59ba0cf5c5acb64b0ed98e", kill_on_drop: false }`
[INFO] [stdout] 12d879ec6052bc8dacb0199c816986ee9152919dbf59ba0cf5c5acb64b0ed98e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52c964d6609446b4927dbe6176a41d4cbd2d3196e86b1826079ebea824eae5d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52c964d6609446b4927dbe6176a41d4cbd2d3196e86b1826079ebea824eae5d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imghdr-163125564fceeb19
[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]      Running /opt/rustwide/target/debug/deps/mod-8374f58d3014ae04
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_bmp ... ok
[INFO] [stdout] test test_gif ... ok
[INFO] [stdout] test test_ico ... ok
[INFO] [stdout] test test_pbm ... ok
[INFO] [stdout] test test_exr ... ok
[INFO] [stdout] test test_pgm ... ok
[INFO] [stdout] test test_not_a_image ... ok
[INFO] [stdout] test test_jpeg ... ok
[INFO] [stdout] test test_rgbe ... ok
[INFO] [stdout] test test_ppm ... ok
[INFO] [stdout] test test_tiff ... ok
[INFO] [stdout] test test_rgb ... ok
[INFO] [stdout] test test_webp ... ok
[INFO] [stdout] test test_xbm ... ok
[INFO] [stdout] test test_bgp ... ok
[INFO] [stdout] test test_png ... ok
[INFO] [stdout] test test_flif ... ok
[INFO] [stderr]    Doc-tests imghdr
[INFO] [stdout] test test_not_a_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/std_ext.rs - std_ext::from_reader (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52c964d6609446b4927dbe6176a41d4cbd2d3196e86b1826079ebea824eae5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c964d6609446b4927dbe6176a41d4cbd2d3196e86b1826079ebea824eae5d1", kill_on_drop: false }`
[INFO] [stdout] 52c964d6609446b4927dbe6176a41d4cbd2d3196e86b1826079ebea824eae5d1