[INFO] fetching crate openssh-mux-client 0.14.1...
[INFO] checking openssh-mux-client-0.14.1 against try#1b0139f5bdae7328e6d232947a8112333bb44eeb for pr-93394
[INFO] extracting crate openssh-mux-client 0.14.1 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate openssh-mux-client 0.14.1 on toolchain 1b0139f5bdae7328e6d232947a8112333bb44eeb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openssh-mux-client 0.14.1
[INFO] finished tweaking crates.io crate openssh-mux-client 0.14.1
[INFO] tweaked toml for crates.io crate openssh-mux-client 0.14.1 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71730519204a26d40d71292da9d1ff9e002fc8bc8223936506fcd9857b0a5aa8
[INFO] running `Command { std: "docker" "start" "-a" "71730519204a26d40d71292da9d1ff9e002fc8bc8223936506fcd9857b0a5aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71730519204a26d40d71292da9d1ff9e002fc8bc8223936506fcd9857b0a5aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71730519204a26d40d71292da9d1ff9e002fc8bc8223936506fcd9857b0a5aa8", kill_on_drop: false }`
[INFO] [stdout] 71730519204a26d40d71292da9d1ff9e002fc8bc8223936506fcd9857b0a5aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 047da4dc79163cd37654a337d0fd9f4550f21bd675ffc8faf91d7616a1f1e3e8
[INFO] running `Command { std: "docker" "start" "-a" "047da4dc79163cd37654a337d0fd9f4550f21bd675ffc8faf91d7616a1f1e3e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking sendfd v0.4.0
[INFO] [stderr]     Checking tokio-io-utility v0.5.3
[INFO] [stderr]     Checking tokio-pipe v0.2.10
[INFO] [stderr]     Checking ssh_format v0.12.0
[INFO] [stderr]     Checking openssh-mux-client v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 14s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "047da4dc79163cd37654a337d0fd9f4550f21bd675ffc8faf91d7616a1f1e3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047da4dc79163cd37654a337d0fd9f4550f21bd675ffc8faf91d7616a1f1e3e8", kill_on_drop: false }`
[INFO] [stdout] 047da4dc79163cd37654a337d0fd9f4550f21bd675ffc8faf91d7616a1f1e3e8