[INFO] cloning repository https://github.com/LgnMs/fpls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LgnMs/fpls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c268db261d3891dd59964b13b34f2c225aef77
[INFO] testing LgnMs/fpls against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LgnMs/fpls on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LgnMs/fpls
[INFO] finished tweaking git repo https://github.com/LgnMs/fpls
[INFO] tweaked toml for git repo https://github.com/LgnMs/fpls written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LgnMs/fpls 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-3-tc2/source/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e5b4365c14d1dbd8ddb394351809d1e1e0792b4c588c1e73630688310b8043
[INFO] running `Command { std: "docker" "start" "-a" "f9e5b4365c14d1dbd8ddb394351809d1e1e0792b4c588c1e73630688310b8043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e5b4365c14d1dbd8ddb394351809d1e1e0792b4c588c1e73630688310b8043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e5b4365c14d1dbd8ddb394351809d1e1e0792b4c588c1e73630688310b8043", kill_on_drop: false }`
[INFO] [stdout] f9e5b4365c14d1dbd8ddb394351809d1e1e0792b4c588c1e73630688310b8043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929aacfdb757302b9ed5c8ca145f72695f8f98fd89235a27702dc70d02efc563
[INFO] running `Command { std: "docker" "start" "-a" "929aacfdb757302b9ed5c8ca145f72695f8f98fd89235a27702dc70d02efc563", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling fpls_lib v0.1.2 (/opt/rustwide/workdir/fpls-lib)
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling fpls_main v0.1.0 (/opt/rustwide/workdir/fpls-main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "929aacfdb757302b9ed5c8ca145f72695f8f98fd89235a27702dc70d02efc563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929aacfdb757302b9ed5c8ca145f72695f8f98fd89235a27702dc70d02efc563", kill_on_drop: false }`
[INFO] [stdout] 929aacfdb757302b9ed5c8ca145f72695f8f98fd89235a27702dc70d02efc563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe78f16e763169e5db8125653f7f2f3e2e6a766ac8a3754784428637cc7069f7
[INFO] running `Command { std: "docker" "start" "-a" "fe78f16e763169e5db8125653f7f2f3e2e6a766ac8a3754784428637cc7069f7", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fe78f16e763169e5db8125653f7f2f3e2e6a766ac8a3754784428637cc7069f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe78f16e763169e5db8125653f7f2f3e2e6a766ac8a3754784428637cc7069f7", kill_on_drop: false }`
[INFO] [stdout] fe78f16e763169e5db8125653f7f2f3e2e6a766ac8a3754784428637cc7069f7