[INFO] fetching crate polymers 0.3.7...
[INFO] building polymers-0.3.7 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate polymers 0.3.7 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polymers 0.3.7 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding numpy v0.19.0 (available: v0.26.0)
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.26.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 019de355e924605cad89475e1bf39708e1f12a839278d22b3cf35757686e03c3
[INFO] running `Command { std: "docker" "start" "-a" "019de355e924605cad89475e1bf39708e1f12a839278d22b3cf35757686e03c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019de355e924605cad89475e1bf39708e1f12a839278d22b3cf35757686e03c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019de355e924605cad89475e1bf39708e1f12a839278d22b3cf35757686e03c3", kill_on_drop: false }`
[INFO] [stdout] 019de355e924605cad89475e1bf39708e1f12a839278d22b3cf35757686e03c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d54b3c1aa639c5d0cc8deb8eb18aa54df618ab3b409188f2f419d6f5e8bf9159
[INFO] running `Command { std: "docker" "start" "-a" "d54b3c1aa639c5d0cc8deb8eb18aa54df618ab3b409188f2f419d6f5e8bf9159", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymers v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "d54b3c1aa639c5d0cc8deb8eb18aa54df618ab3b409188f2f419d6f5e8bf9159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54b3c1aa639c5d0cc8deb8eb18aa54df618ab3b409188f2f419d6f5e8bf9159", kill_on_drop: false }`
[INFO] [stdout] d54b3c1aa639c5d0cc8deb8eb18aa54df618ab3b409188f2f419d6f5e8bf9159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a2785d6d741c0d0b461dd930212ec6b57e18ab26536ab50b2b77a07fcfee4f
[INFO] running `Command { std: "docker" "start" "-a" "33a2785d6d741c0d0b461dd930212ec6b57e18ab26536ab50b2b77a07fcfee4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[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 v0.8.5
[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/4987e9d4227139400384ab59296ffee3b0fb1183/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=2cc49231e8fa9463 -C extra-filename=-ea520cfaec204e8e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-65b59d31e10e451c.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "33a2785d6d741c0d0b461dd930212ec6b57e18ab26536ab50b2b77a07fcfee4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a2785d6d741c0d0b461dd930212ec6b57e18ab26536ab50b2b77a07fcfee4f", kill_on_drop: false }`
[INFO] [stdout] 33a2785d6d741c0d0b461dd930212ec6b57e18ab26536ab50b2b77a07fcfee4f