[INFO] cloning repository https://github.com/ryone9re/weak-lock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryone9re/weak-lock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryone9re%2Fweak-lock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryone9re%2Fweak-lock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1977dbca9dd72d5fd8f25dbc2f6c20a70fa89f66
[INFO] checking ryone9re/weak-lock against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryone9re%2Fweak-lock" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryone9re/weak-lock on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryone9re/weak-lock
[INFO] finished tweaking git repo https://github.com/ryone9re/weak-lock
[INFO] tweaked toml for git repo https://github.com/ryone9re/weak-lock written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryone9re/weak-lock 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ryone9re/weak-lock against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryone9re%2Fweak-lock" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryone9re/weak-lock on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryone9re/weak-lock
[INFO] finished tweaking git repo https://github.com/ryone9re/weak-lock
[INFO] tweaked toml for git repo https://github.com/ryone9re/weak-lock written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryone9re/weak-lock 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9359894c0063be5c7b380d90dce6a787412d3a05ac17f1a061417cbac98da245
[INFO] running `Command { std: "docker" "start" "-a" "9359894c0063be5c7b380d90dce6a787412d3a05ac17f1a061417cbac98da245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9359894c0063be5c7b380d90dce6a787412d3a05ac17f1a061417cbac98da245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9359894c0063be5c7b380d90dce6a787412d3a05ac17f1a061417cbac98da245", kill_on_drop: false }`
[INFO] [stdout] 9359894c0063be5c7b380d90dce6a787412d3a05ac17f1a061417cbac98da245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcb4ae03fade8866ce4df82096ca2a222034598934513b66de341008a1e83d69
[INFO] running `Command { std: "docker" "start" "-a" "dcb4ae03fade8866ce4df82096ca2a222034598934513b66de341008a1e83d69", kill_on_drop: false }`
[INFO] [stderr]     Checking weak-lock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/mcslock.rs:63:72
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn lock<'a>(&'a self, node: &'a mut MCSNode<T>) -> MCSLockGuard<T> {
[INFO] [stdout]    |                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/mcslock.rs:63:72
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn lock<'a>(&'a self, node: &'a mut MCSNode<T>) -> MCSLockGuard<T> {
[INFO] [stdout]    |                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "dcb4ae03fade8866ce4df82096ca2a222034598934513b66de341008a1e83d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb4ae03fade8866ce4df82096ca2a222034598934513b66de341008a1e83d69", kill_on_drop: false }`
[INFO] [stdout] dcb4ae03fade8866ce4df82096ca2a222034598934513b66de341008a1e83d69