[INFO] fetching crate mexprp 0.3.1...
[INFO] checking mexprp-0.3.1 against master#d137783642b0b98eda2796dc66bffc2b089a8327 for pr-105568
[INFO] extracting crate mexprp 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mexprp 0.3.1 on toolchain d137783642b0b98eda2796dc66bffc2b089a8327
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mexprp 0.3.1
[INFO] finished tweaking crates.io crate mexprp 0.3.1
[INFO] tweaked toml for crates.io crate mexprp 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mexprp 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded rug v1.13.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee435771307f61342edc6799724513e60dbb4a86e44c33c86f4a50439985d114
[INFO] running `Command { std: "docker" "start" "-a" "ee435771307f61342edc6799724513e60dbb4a86e44c33c86f4a50439985d114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee435771307f61342edc6799724513e60dbb4a86e44c33c86f4a50439985d114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee435771307f61342edc6799724513e60dbb4a86e44c33c86f4a50439985d114", kill_on_drop: false }`
[INFO] [stdout] ee435771307f61342edc6799724513e60dbb4a86e44c33c86f4a50439985d114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5742c4b3c9f20eddec331f9d6b87be602042ca16dc4b1b2b2cff274ccfbc0624
[INFO] running `Command { std: "docker" "start" "-a" "5742c4b3c9f20eddec331f9d6b87be602042ca16dc4b1b2b2cff274ccfbc0624", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.6
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5742c4b3c9f20eddec331f9d6b87be602042ca16dc4b1b2b2cff274ccfbc0624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5742c4b3c9f20eddec331f9d6b87be602042ca16dc4b1b2b2cff274ccfbc0624", kill_on_drop: false }`
[INFO] [stdout] 5742c4b3c9f20eddec331f9d6b87be602042ca16dc4b1b2b2cff274ccfbc0624