[INFO] fetching crate rust-zimg 0.1.0...
[INFO] testing rust-zimg-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rust-zimg 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rust-zimg 0.1.0 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 rust-zimg 0.1.0
[INFO] finished tweaking crates.io crate rust-zimg 0.1.0
[INFO] tweaked toml for crates.io crate rust-zimg 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rust-zimg 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dea3584cc9181f664ef6449a5a7ba6d4a79565b1c2c5ac183902559cc024766f
[INFO] running `Command { std: "docker" "start" "-a" "dea3584cc9181f664ef6449a5a7ba6d4a79565b1c2c5ac183902559cc024766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dea3584cc9181f664ef6449a5a7ba6d4a79565b1c2c5ac183902559cc024766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea3584cc9181f664ef6449a5a7ba6d4a79565b1c2c5ac183902559cc024766f", kill_on_drop: false }`
[INFO] [stdout] dea3584cc9181f664ef6449a5a7ba6d4a79565b1c2c5ac183902559cc024766f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 690e56631d755aa085e8db9e03e0b0ead3c4807015f7efe519312688553bb45d
[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" "690e56631d755aa085e8db9e03e0b0ead3c4807015f7efe519312688553bb45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling gif v0.8.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling image v0.9.1
[INFO] [stderr]    Compiling router v0.4.0
[INFO] [stderr]    Compiling multipart v0.9.1
[INFO] [stderr]    Compiling rust-zimg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.70s
[INFO] running `Command { std: "docker" "inspect" "690e56631d755aa085e8db9e03e0b0ead3c4807015f7efe519312688553bb45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690e56631d755aa085e8db9e03e0b0ead3c4807015f7efe519312688553bb45d", kill_on_drop: false }`
[INFO] [stdout] 690e56631d755aa085e8db9e03e0b0ead3c4807015f7efe519312688553bb45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c67fb2a3905048f35214a87cfcd8e867fbd5f3a292635fdf4697d5cd7feca823
[INFO] running `Command { std: "docker" "start" "-a" "c67fb2a3905048f35214a87cfcd8e867fbd5f3a292635fdf4697d5cd7feca823", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zimg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "c67fb2a3905048f35214a87cfcd8e867fbd5f3a292635fdf4697d5cd7feca823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67fb2a3905048f35214a87cfcd8e867fbd5f3a292635fdf4697d5cd7feca823", kill_on_drop: false }`
[INFO] [stdout] c67fb2a3905048f35214a87cfcd8e867fbd5f3a292635fdf4697d5cd7feca823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f9577e44d1ebe7cd4a52bce80609ef9d23abe8e3d71aab6c0bedc30cfb37dfc5
[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" "f9577e44d1ebe7cd4a52bce80609ef9d23abe8e3d71aab6c0bedc30cfb37dfc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_zimg-68de164a664b7f7d
[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 `Command { std: "docker" "inspect" "f9577e44d1ebe7cd4a52bce80609ef9d23abe8e3d71aab6c0bedc30cfb37dfc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9577e44d1ebe7cd4a52bce80609ef9d23abe8e3d71aab6c0bedc30cfb37dfc5", kill_on_drop: false }`
[INFO] [stdout] f9577e44d1ebe7cd4a52bce80609ef9d23abe8e3d71aab6c0bedc30cfb37dfc5