[INFO] fetching crate rustdct 0.7.1...
[INFO] testing rustdct-0.7.1 against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825
[INFO] extracting crate rustdct 0.7.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rustdct 0.7.1 on toolchain ff2c56344c764af598ad33027e9c7a48881808ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdct 0.7.1
[INFO] finished tweaking crates.io crate rustdct 0.7.1
[INFO] tweaked toml for crates.io crate rustdct 0.7.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustdct 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded transpose v0.2.1
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded rustfft v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc723c5cfef2b596c2315c2fd30f4e887807a9b188731ca8e59edfd68b50077f
[INFO] running `Command { std: "docker" "start" "-a" "bc723c5cfef2b596c2315c2fd30f4e887807a9b188731ca8e59edfd68b50077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc723c5cfef2b596c2315c2fd30f4e887807a9b188731ca8e59edfd68b50077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc723c5cfef2b596c2315c2fd30f4e887807a9b188731ca8e59edfd68b50077f", kill_on_drop: false }`
[INFO] [stdout] bc723c5cfef2b596c2315c2fd30f4e887807a9b188731ca8e59edfd68b50077f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7a19045ce269eda3b1297d080ede231ec058cca8518553bdf24a4d023ffb1b8
[INFO] running `Command { std: "docker" "start" "-a" "a7a19045ce269eda3b1297d080ede231ec058cca8518553bdf24a4d023ffb1b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling rustdct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "a7a19045ce269eda3b1297d080ede231ec058cca8518553bdf24a4d023ffb1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a19045ce269eda3b1297d080ede231ec058cca8518553bdf24a4d023ffb1b8", kill_on_drop: false }`
[INFO] [stdout] a7a19045ce269eda3b1297d080ede231ec058cca8518553bdf24a4d023ffb1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ae3badfe2f55d536ee95d846717306c1ba9ef8a8b4f9fddf230f03cf938bcec
[INFO] running `Command { std: "docker" "start" "-a" "5ae3badfe2f55d536ee95d846717306c1ba9ef8a8b4f9fddf230f03cf938bcec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustdct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rustdct` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ff2c56344c764af598ad33027e9c7a48881808ef/bin/rustc --crate-name rustdct --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e9973f4702c70603 -C extra-filename=-e9973f4702c70603 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-58b34459d3e4d018.rlib --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-cd7eb16c21a15a9a.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustdct` (test "test_dct")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ff2c56344c764af598ad33027e9c7a48881808ef/bin/rustc --crate-name test_dct --edition=2018 tests/test_dct.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=1b384883346af16e -C extra-filename=-1b384883346af16e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-58b34459d3e4d018.rlib --extern rustdct=/opt/rustwide/target/debug/deps/librustdct-d04c1c958c57c166.rlib --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-cd7eb16c21a15a9a.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5ae3badfe2f55d536ee95d846717306c1ba9ef8a8b4f9fddf230f03cf938bcec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae3badfe2f55d536ee95d846717306c1ba9ef8a8b4f9fddf230f03cf938bcec", kill_on_drop: false }`
[INFO] [stdout] 5ae3badfe2f55d536ee95d846717306c1ba9ef8a8b4f9fddf230f03cf938bcec