[INFO] fetching crate imghdr 0.7.0...
[INFO] testing imghdr-0.7.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate imghdr 0.7.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate imghdr 0.7.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 070cc847f77a607365910759d1694b8cfa3e6071e54a4abf41aca5519cfd9e81
[INFO] running `Command { std: "docker" "start" "-a" "070cc847f77a607365910759d1694b8cfa3e6071e54a4abf41aca5519cfd9e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "070cc847f77a607365910759d1694b8cfa3e6071e54a4abf41aca5519cfd9e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070cc847f77a607365910759d1694b8cfa3e6071e54a4abf41aca5519cfd9e81", kill_on_drop: false }`
[INFO] [stdout] 070cc847f77a607365910759d1694b8cfa3e6071e54a4abf41aca5519cfd9e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b6fc64e8ca42251099644f20c8c709bbb50faaf39a1267f8d658a15f452bc0
[INFO] running `Command { std: "docker" "start" "-a" "23b6fc64e8ca42251099644f20c8c709bbb50faaf39a1267f8d658a15f452bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling imghdr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "23b6fc64e8ca42251099644f20c8c709bbb50faaf39a1267f8d658a15f452bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b6fc64e8ca42251099644f20c8c709bbb50faaf39a1267f8d658a15f452bc0", kill_on_drop: false }`
[INFO] [stdout] 23b6fc64e8ca42251099644f20c8c709bbb50faaf39a1267f8d658a15f452bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 074a5df703c4183c980cfc0a0a7fd0642bdccc5fa2f90c5af0840c49d3b08555
[INFO] running `Command { std: "docker" "start" "-a" "074a5df703c4183c980cfc0a0a7fd0642bdccc5fa2f90c5af0840c49d3b08555", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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 37.06s
[INFO] running `Command { std: "docker" "inspect" "074a5df703c4183c980cfc0a0a7fd0642bdccc5fa2f90c5af0840c49d3b08555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074a5df703c4183c980cfc0a0a7fd0642bdccc5fa2f90c5af0840c49d3b08555", kill_on_drop: false }`
[INFO] [stdout] 074a5df703c4183c980cfc0a0a7fd0642bdccc5fa2f90c5af0840c49d3b08555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a83b10dbef68264c23ea917ba30c88aeb17b3dcb66bfc78431a92973fd9a30f
[INFO] running `Command { std: "docker" "start" "-a" "6a83b10dbef68264c23ea917ba30c88aeb17b3dcb66bfc78431a92973fd9a30f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imghdr-f331101a40320c5c)
[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] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-cb88a772a158a81c)
[INFO] [stdout] test test_bgp ... ok
[INFO] [stdout] test test_bmp ... ok
[INFO] [stdout] test test_flif ... ok
[INFO] [stdout] test test_gif ... ok
[INFO] [stdout] test test_exr ... ok
[INFO] [stdout] test test_pbm ... ok
[INFO] [stdout] test test_ppm ... ok
[INFO] [stdout] test test_pgm ... ok
[INFO] [stdout] test test_rgbe ... ok
[INFO] [stdout] test test_tiff ... ok
[INFO] [stdout] test test_jpeg ... ok
[INFO] [stdout] test test_xbm ... ok
[INFO] [stdout] test test_webp ... ok
[INFO] [stdout] test test_not_a_image ... ok
[INFO] [stdout] test test_rgb ... ok
[INFO] [stdout] test test_ico ... ok
[INFO] [stdout] test test_png ... 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 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imghdr
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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 13) ... 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 3.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a83b10dbef68264c23ea917ba30c88aeb17b3dcb66bfc78431a92973fd9a30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a83b10dbef68264c23ea917ba30c88aeb17b3dcb66bfc78431a92973fd9a30f", kill_on_drop: false }`
[INFO] [stdout] 6a83b10dbef68264c23ea917ba30c88aeb17b3dcb66bfc78431a92973fd9a30f