[INFO] fetching crate polynomial-ring 0.5.1...
[INFO] building polynomial-ring-0.5.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate polynomial-ring 0.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate polynomial-ring 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate polynomial-ring 0.5.1
[INFO] tweaked toml for crates.io crate polynomial-ring 0.5.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial-ring 0.5.1 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] crate crates.io crate polynomial-ring 0.5.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] beb7849eb37d9d7d75d916bbeacfaa0de877838d16fa6664fd686038a1b7c488
[INFO] running `Command { std: "docker" "start" "-a" "beb7849eb37d9d7d75d916bbeacfaa0de877838d16fa6664fd686038a1b7c488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb7849eb37d9d7d75d916bbeacfaa0de877838d16fa6664fd686038a1b7c488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb7849eb37d9d7d75d916bbeacfaa0de877838d16fa6664fd686038a1b7c488", kill_on_drop: false }`
[INFO] [stdout] beb7849eb37d9d7d75d916bbeacfaa0de877838d16fa6664fd686038a1b7c488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06557c66aaecd66ce801f718801ff4d9fa30f2a57a64f0eccbcf67fc8f90414f
[INFO] running `Command { std: "docker" "start" "-a" "06557c66aaecd66ce801f718801ff4d9fa30f2a57a64f0eccbcf67fc8f90414f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ring-algorithm v0.8.0
[INFO] [stderr]    Compiling rustversion v1.0.0
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling auto-impl-ops v0.2.1
[INFO] [stderr]    Compiling polynomial-ring v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "06557c66aaecd66ce801f718801ff4d9fa30f2a57a64f0eccbcf67fc8f90414f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06557c66aaecd66ce801f718801ff4d9fa30f2a57a64f0eccbcf67fc8f90414f", kill_on_drop: false }`
[INFO] [stdout] 06557c66aaecd66ce801f718801ff4d9fa30f2a57a64f0eccbcf67fc8f90414f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5913081d7b38eb2682a55320a39fc6e7424138ebab1d5fb6b382e9d267be8cae
[INFO] running `Command { std: "docker" "start" "-a" "5913081d7b38eb2682a55320a39fc6e7424138ebab1d5fb6b382e9d267be8cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rug v1.18.0
[INFO] [stderr]    Compiling az v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ring-algorithm v0.8.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling polynomial-ring v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5913081d7b38eb2682a55320a39fc6e7424138ebab1d5fb6b382e9d267be8cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5913081d7b38eb2682a55320a39fc6e7424138ebab1d5fb6b382e9d267be8cae", kill_on_drop: false }`
[INFO] [stdout] 5913081d7b38eb2682a55320a39fc6e7424138ebab1d5fb6b382e9d267be8cae