[INFO] cloning repository https://github.com/dmaahs2017/Bluejay-wm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmaahs2017/Bluejay-wm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2FBluejay-wm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2FBluejay-wm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bf9c668eb8c370d4cbbffb3ab1f098bcec117ac
[INFO] checking dmaahs2017/Bluejay-wm against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2FBluejay-wm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmaahs2017/Bluejay-wm
[INFO] finished tweaking git repo https://github.com/dmaahs2017/Bluejay-wm
[INFO] tweaked toml for git repo https://github.com/dmaahs2017/Bluejay-wm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmaahs2017/Bluejay-wm on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmaahs2017/Bluejay-wm 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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 dmaahs2017/Bluejay-wm against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2FBluejay-wm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmaahs2017/Bluejay-wm
[INFO] finished tweaking git repo https://github.com/dmaahs2017/Bluejay-wm
[INFO] tweaked toml for git repo https://github.com/dmaahs2017/Bluejay-wm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmaahs2017/Bluejay-wm on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmaahs2017/Bluejay-wm 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded xcb v0.9.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b040b6b10a234f2ea9fccfccc40e1aa96a0b359d6b204b69fc8102962110881e
[INFO] running `Command { std: "docker" "start" "-a" "b040b6b10a234f2ea9fccfccc40e1aa96a0b359d6b204b69fc8102962110881e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b040b6b10a234f2ea9fccfccc40e1aa96a0b359d6b204b69fc8102962110881e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b040b6b10a234f2ea9fccfccc40e1aa96a0b359d6b204b69fc8102962110881e", kill_on_drop: false }`
[INFO] [stdout] b040b6b10a234f2ea9fccfccc40e1aa96a0b359d6b204b69fc8102962110881e
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd5792128a6c4ec4d23562290baed672e1c26775518ba77c2f79cac4d432236a
[INFO] running `Command { std: "docker" "start" "-a" "fd5792128a6c4ec4d23562290baed672e1c26775518ba77c2f79cac4d432236a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking bluejay-wm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `conn` is never read
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct BlueJayWm {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 4 |     conn: xcb::Connection,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `conn` is never read
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct BlueJayWm {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 4 |     conn: xcb::Connection,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "fd5792128a6c4ec4d23562290baed672e1c26775518ba77c2f79cac4d432236a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5792128a6c4ec4d23562290baed672e1c26775518ba77c2f79cac4d432236a", kill_on_drop: false }`
[INFO] [stdout] fd5792128a6c4ec4d23562290baed672e1c26775518ba77c2f79cac4d432236a