[INFO] fetching crate rustdct 0.6.0...
[INFO] testing rustdct-0.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rustdct 0.6.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate rustdct 0.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdct 0.6.0
[INFO] finished tweaking crates.io crate rustdct 0.6.0
[INFO] tweaked toml for crates.io crate rustdct 0.6.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 014ca4478c5d0c31030c9ed895bb27aa1b81aa4aa80f2929bff9cbb1343c0bbd
[INFO] running `Command { std: "docker" "start" "-a" "014ca4478c5d0c31030c9ed895bb27aa1b81aa4aa80f2929bff9cbb1343c0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014ca4478c5d0c31030c9ed895bb27aa1b81aa4aa80f2929bff9cbb1343c0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014ca4478c5d0c31030c9ed895bb27aa1b81aa4aa80f2929bff9cbb1343c0bbd", kill_on_drop: false }`
[INFO] [stdout] 014ca4478c5d0c31030c9ed895bb27aa1b81aa4aa80f2929bff9cbb1343c0bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2644de10a28d8e8807980fa62bea4ee13e10cec4cc69b2273e29f952be99dc
[INFO] running `Command { std: "docker" "start" "-a" "4c2644de10a28d8e8807980fa62bea4ee13e10cec4cc69b2273e29f952be99dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling rustfft v5.1.1
[INFO] [stderr]    Compiling rustdct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "4c2644de10a28d8e8807980fa62bea4ee13e10cec4cc69b2273e29f952be99dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2644de10a28d8e8807980fa62bea4ee13e10cec4cc69b2273e29f952be99dc", kill_on_drop: false }`
[INFO] [stdout] 4c2644de10a28d8e8807980fa62bea4ee13e10cec4cc69b2273e29f952be99dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7dd913048aaf6d4dd2abfd1e1a546f83fab0cb1be6b4ac91ca178ab2843ffc1
[INFO] running `Command { std: "docker" "start" "-a" "b7dd913048aaf6d4dd2abfd1e1a546f83fab0cb1be6b4ac91ca178ab2843ffc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rustdct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rustdct`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name test_dct --edition=2018 tests/test_dct.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=60e0837f9d610030 -C extra-filename=-60e0837f9d610030 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-b487ce58e880d262.rlib --extern rustdct=/opt/rustwide/target/debug/deps/librustdct-fd677da79fcf7322.rlib --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-8b47e30564220611.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7dd913048aaf6d4dd2abfd1e1a546f83fab0cb1be6b4ac91ca178ab2843ffc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7dd913048aaf6d4dd2abfd1e1a546f83fab0cb1be6b4ac91ca178ab2843ffc1", kill_on_drop: false }`
[INFO] [stdout] b7dd913048aaf6d4dd2abfd1e1a546f83fab0cb1be6b4ac91ca178ab2843ffc1