[INFO] fetching crate modulo-n-tools 0.2.0...
[INFO] checking modulo-n-tools-0.2.0 against master#453ceafce32ef8108c604bca5e165ab41d3d6d8c for pr-124187
[INFO] extracting crate modulo-n-tools 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate modulo-n-tools 0.2.0 on toolchain 453ceafce32ef8108c604bca5e165ab41d3d6d8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] finished tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] tweaked toml for crates.io crate modulo-n-tools 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding test-case v1.2.3 (latest: v3.3.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d0c01d5671f7ced02e0f4e124b56dfb858f5a4f9cb37e92627966c2f4ae8304
[INFO] running `Command { std: "docker" "start" "-a" "6d0c01d5671f7ced02e0f4e124b56dfb858f5a4f9cb37e92627966c2f4ae8304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0c01d5671f7ced02e0f4e124b56dfb858f5a4f9cb37e92627966c2f4ae8304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0c01d5671f7ced02e0f4e124b56dfb858f5a4f9cb37e92627966c2f4ae8304", kill_on_drop: false }`
[INFO] [stdout] 6d0c01d5671f7ced02e0f4e124b56dfb858f5a4f9cb37e92627966c2f4ae8304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cbf23bae9f4eb7dc5e3dcbe30bd7b06eb8a3a59bffc1dd00bf21b959f8c2ae4
[INFO] running `Command { std: "docker" "start" "-a" "2cbf23bae9f4eb7dc5e3dcbe30bd7b06eb8a3a59bffc1dd00bf21b959f8c2ae4", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking modulo-n-tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num v0.4.2
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2cbf23bae9f4eb7dc5e3dcbe30bd7b06eb8a3a59bffc1dd00bf21b959f8c2ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbf23bae9f4eb7dc5e3dcbe30bd7b06eb8a3a59bffc1dd00bf21b959f8c2ae4", kill_on_drop: false }`
[INFO] [stdout] 2cbf23bae9f4eb7dc5e3dcbe30bd7b06eb8a3a59bffc1dd00bf21b959f8c2ae4