[INFO] fetching crate bigint-benchmark 0.3.0...
[INFO] checking bigint-benchmark-0.3.0 against master#4457658f68b5c165cd76d24b8147a8f77b9f660e for pr-107620
[INFO] extracting crate bigint-benchmark 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bigint-benchmark 0.3.0 on toolchain 4457658f68b5c165cd76d24b8147a8f77b9f660e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bigint-benchmark 0.3.0
[INFO] finished tweaking crates.io crate bigint-benchmark 0.3.0
[INFO] tweaked toml for crates.io crate bigint-benchmark 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bigint-benchmark 0.3.0 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" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded const_fn_assert v0.1.2
[INFO] [stderr]   Downloaded malachite v0.3.0
[INFO] [stderr]   Downloaded keccak v0.1.2
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded ibig v0.3.4
[INFO] [stderr]   Downloaded malachite-q v0.3.0
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded malachite-nz v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.7
[INFO] [stderr]   Downloaded rust-gmp v0.5.0
[INFO] [stderr]   Downloaded malachite-base v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6059562c77a883735f06211970a8d2905f6aa3292a1efbb5f0f533eb278ab3e7
[INFO] running `Command { std: "docker" "start" "-a" "6059562c77a883735f06211970a8d2905f6aa3292a1efbb5f0f533eb278ab3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6059562c77a883735f06211970a8d2905f6aa3292a1efbb5f0f533eb278ab3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6059562c77a883735f06211970a8d2905f6aa3292a1efbb5f0f533eb278ab3e7", kill_on_drop: false }`
[INFO] [stdout] 6059562c77a883735f06211970a8d2905f6aa3292a1efbb5f0f533eb278ab3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2fa2cf46087e6353ccfde155fd1926b8bb3a32644a22ca048b8dff9019e4176
[INFO] running `Command { std: "docker" "start" "-a" "e2fa2cf46087e6353ccfde155fd1926b8bb3a32644a22ca048b8dff9019e4176", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking const_fn_assert v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rust-gmp v0.5.0
[INFO] [stderr]     Checking ibig v0.3.4
[INFO] [stderr]     Checking malachite-base v0.3.0
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]     Checking malachite-nz v0.3.0
[INFO] [stderr]     Checking malachite-q v0.3.0
[INFO] [stderr]     Checking malachite v0.3.0
[INFO] [stderr]     Checking bigint-benchmark v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "e2fa2cf46087e6353ccfde155fd1926b8bb3a32644a22ca048b8dff9019e4176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fa2cf46087e6353ccfde155fd1926b8bb3a32644a22ca048b8dff9019e4176", kill_on_drop: false }`
[INFO] [stdout] e2fa2cf46087e6353ccfde155fd1926b8bb3a32644a22ca048b8dff9019e4176