[INFO] cloning repository https://github.com/lc-1010/telnet_ser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lc-1010/telnet_ser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc-1010%2Ftelnet_ser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc-1010%2Ftelnet_ser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f71b40dd7dff6a4562c64c6b96ac10b144269e09
[INFO] checking lc-1010/telnet_ser against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc-1010%2Ftelnet_ser" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lc-1010/telnet_ser
[INFO] finished tweaking git repo https://github.com/lc-1010/telnet_ser
[INFO] tweaked toml for git repo https://github.com/lc-1010/telnet_ser written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lc-1010/telnet_ser on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lc-1010/telnet_ser 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lc-1010/telnet_ser against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc-1010%2Ftelnet_ser" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lc-1010/telnet_ser
[INFO] finished tweaking git repo https://github.com/lc-1010/telnet_ser
[INFO] tweaked toml for git repo https://github.com/lc-1010/telnet_ser written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lc-1010/telnet_ser on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lc-1010/telnet_ser 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4941fc455f75fde92a4c8181e7df00696495c852aa897425e41afb6d776bf223
[INFO] running `Command { std: "docker" "start" "-a" "4941fc455f75fde92a4c8181e7df00696495c852aa897425e41afb6d776bf223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4941fc455f75fde92a4c8181e7df00696495c852aa897425e41afb6d776bf223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4941fc455f75fde92a4c8181e7df00696495c852aa897425e41afb6d776bf223", kill_on_drop: false }`
[INFO] [stdout] 4941fc455f75fde92a4c8181e7df00696495c852aa897425e41afb6d776bf223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c3036841176dff0815b1e8cd7a52acd28c0f4742ef1ae23ecd996e0794816c
[INFO] running `Command { std: "docker" "start" "-a" "63c3036841176dff0815b1e8cd7a52acd28c0f4742ef1ae23ecd996e0794816c", kill_on_drop: false }`
[INFO] [stderr]     Checking telnet_ser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "63c3036841176dff0815b1e8cd7a52acd28c0f4742ef1ae23ecd996e0794816c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c3036841176dff0815b1e8cd7a52acd28c0f4742ef1ae23ecd996e0794816c", kill_on_drop: false }`
[INFO] [stdout] 63c3036841176dff0815b1e8cd7a52acd28c0f4742ef1ae23ecd996e0794816c