[INFO] fetching crate polynomial-over-finite-prime-field 0.2.1...
[INFO] checking polynomial-over-finite-prime-field-0.2.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate polynomial-over-finite-prime-field 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate polynomial-over-finite-prime-field 0.2.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-over-finite-prime-field 0.2.1
[INFO] finished tweaking crates.io crate polynomial-over-finite-prime-field 0.2.1
[INFO] tweaked toml for crates.io crate polynomial-over-finite-prime-field 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modulo-n-tools v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6572c035abb22c4fcc43606bc6710fec9a2d5595f74575a2316b7e1a9ae0054
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6572c035abb22c4fcc43606bc6710fec9a2d5595f74575a2316b7e1a9ae0054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6572c035abb22c4fcc43606bc6710fec9a2d5595f74575a2316b7e1a9ae0054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6572c035abb22c4fcc43606bc6710fec9a2d5595f74575a2316b7e1a9ae0054", kill_on_drop: false }`
[INFO] [stdout] f6572c035abb22c4fcc43606bc6710fec9a2d5595f74575a2316b7e1a9ae0054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a03514f39ea942ac95817ee6b7964da5d9a3e8e276cc46c8c5906b116bba53ad
[INFO] running `Command { std: "docker" "start" "-a" "a03514f39ea942ac95817ee6b7964da5d9a3e8e276cc46c8c5906b116bba53ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking modulo-n-tools v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking ring-algorithm v0.3.0
[INFO] [stderr]     Checking polynomial-over-finite-prime-field v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `Command { std: "docker" "inspect" "a03514f39ea942ac95817ee6b7964da5d9a3e8e276cc46c8c5906b116bba53ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03514f39ea942ac95817ee6b7964da5d9a3e8e276cc46c8c5906b116bba53ad", kill_on_drop: false }`
[INFO] [stdout] a03514f39ea942ac95817ee6b7964da5d9a3e8e276cc46c8c5906b116bba53ad