[INFO] fetching crate polymers 0.3.7...
[INFO] testing polymers-0.3.7 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate polymers 0.3.7 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate polymers 0.3.7
[INFO] finished tweaking crates.io crate polymers 0.3.7
[INFO] tweaked toml for crates.io crate polymers 0.3.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polymers 0.3.7 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding numpy v0.19.0 (available: v0.28.0)
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.28.3)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded numpy v0.19.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1fdf6aa96d31dcdff387bb2c15b436ed4b844a55b71283c52e65ddea110e063
[INFO] running `Command { std: "docker" "start" "-a" "b1fdf6aa96d31dcdff387bb2c15b436ed4b844a55b71283c52e65ddea110e063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1fdf6aa96d31dcdff387bb2c15b436ed4b844a55b71283c52e65ddea110e063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fdf6aa96d31dcdff387bb2c15b436ed4b844a55b71283c52e65ddea110e063", kill_on_drop: false }`
[INFO] [stdout] b1fdf6aa96d31dcdff387bb2c15b436ed4b844a55b71283c52e65ddea110e063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f9030aeb764c4aa9b45b9664314549b5cbdad8c517310e51475cb7acd431a8
[INFO] running `Command { std: "docker" "start" "-a" "23f9030aeb764c4aa9b45b9664314549b5cbdad8c517310e51475cb7acd431a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymers v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "23f9030aeb764c4aa9b45b9664314549b5cbdad8c517310e51475cb7acd431a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f9030aeb764c4aa9b45b9664314549b5cbdad8c517310e51475cb7acd431a8", kill_on_drop: false }`
[INFO] [stdout] 23f9030aeb764c4aa9b45b9664314549b5cbdad8c517310e51475cb7acd431a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34fbe34c998482842d81233fa90a63e52b443ef3a645d0784b25cf1e802ee9ae
[INFO] running `Command { std: "docker" "start" "-a" "34fbe34c998482842d81233fa90a63e52b443ef3a645d0784b25cf1e802ee9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling polymers v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `polymers` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/bin/rustc --crate-name polymers --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("extern", "python"))' -C metadata=f8f2e3afaa28b005 -C extra-filename=-318c588198ef715f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-ad58e87f05e7c4f0.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "34fbe34c998482842d81233fa90a63e52b443ef3a645d0784b25cf1e802ee9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fbe34c998482842d81233fa90a63e52b443ef3a645d0784b25cf1e802ee9ae", kill_on_drop: false }`
[INFO] [stdout] 34fbe34c998482842d81233fa90a63e52b443ef3a645d0784b25cf1e802ee9ae