[INFO] cloning repository https://github.com/tlafebre/smorse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlafebre/smorse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fsmorse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fsmorse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 529bd4102fc07b16942a467aaf9b2540513df6c9
[INFO] checking tlafebre/smorse against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fsmorse" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tlafebre/smorse
[INFO] finished tweaking git repo https://github.com/tlafebre/smorse
[INFO] tweaked toml for git repo https://github.com/tlafebre/smorse written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tlafebre/smorse on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tlafebre/smorse 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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "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 tlafebre/smorse against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fsmorse" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tlafebre/smorse
[INFO] finished tweaking git repo https://github.com/tlafebre/smorse
[INFO] tweaked toml for git repo https://github.com/tlafebre/smorse written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tlafebre/smorse on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tlafebre/smorse 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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e2b194d5de62bff0264f1ddaf2475fe2e0b0d6c0ac0eea962210cffe9437899
[INFO] running `Command { std: "docker" "start" "-a" "4e2b194d5de62bff0264f1ddaf2475fe2e0b0d6c0ac0eea962210cffe9437899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2b194d5de62bff0264f1ddaf2475fe2e0b0d6c0ac0eea962210cffe9437899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2b194d5de62bff0264f1ddaf2475fe2e0b0d6c0ac0eea962210cffe9437899", kill_on_drop: false }`
[INFO] [stdout] 4e2b194d5de62bff0264f1ddaf2475fe2e0b0d6c0ac0eea962210cffe9437899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f78f4037010d3533daaa553c078232b8af742e95823ca05135314336364e238
[INFO] running `Command { std: "docker" "start" "-a" "6f78f4037010d3533daaa553c078232b8af742e95823ca05135314336364e238", kill_on_drop: false }`
[INFO] [stderr]     Checking morse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct MorseDictionary {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 13 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MorseDictionary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct MorseDictionary {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 13 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MorseDictionary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6f78f4037010d3533daaa553c078232b8af742e95823ca05135314336364e238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f78f4037010d3533daaa553c078232b8af742e95823ca05135314336364e238", kill_on_drop: false }`
[INFO] [stdout] 6f78f4037010d3533daaa553c078232b8af742e95823ca05135314336364e238