[INFO] cloning repository https://github.com/frustak/parlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frustak/parlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fc28461b7e9cfae6156a0b107390f2d9d469ec1
[INFO] checking frustak/parlox/3fc28461b7e9cfae6156a0b107390f2d9d469ec1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frustak/parlox on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frustak/parlox
[INFO] finished tweaking git repo https://github.com/frustak/parlox
[INFO] tweaked toml for git repo https://github.com/frustak/parlox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/frustak/parlox 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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 frustak/parlox/3fc28461b7e9cfae6156a0b107390f2d9d469ec1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frustak/parlox on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frustak/parlox
[INFO] finished tweaking git repo https://github.com/frustak/parlox
[INFO] tweaked toml for git repo https://github.com/frustak/parlox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/frustak/parlox 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a61ba8e11d2ecc23147ee5a2ce2deb9a279eb80a43a81517e3412317f626b5c
[INFO] running `Command { std: "docker" "start" "-a" "3a61ba8e11d2ecc23147ee5a2ce2deb9a279eb80a43a81517e3412317f626b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a61ba8e11d2ecc23147ee5a2ce2deb9a279eb80a43a81517e3412317f626b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a61ba8e11d2ecc23147ee5a2ce2deb9a279eb80a43a81517e3412317f626b5c", kill_on_drop: false }`
[INFO] [stdout] 3a61ba8e11d2ecc23147ee5a2ce2deb9a279eb80a43a81517e3412317f626b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68896dee9b273c2368af36c3205c0c70a0e15972dde4f3a304986adfa37a3f62
[INFO] running `Command { std: "docker" "start" "-a" "68896dee9b273c2368af36c3205c0c70a0e15972dde4f3a304986adfa37a3f62", kill_on_drop: false }`
[INFO] [stderr]     Checking parlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `line` and `message` are never read
[INFO] [stdout]   --> src/scanner.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 9  |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SyntaxError` 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: fields `kind`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GenericToken<T: Debug> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 6 |     pub kind: TokenKind,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub literal: T,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub line: u32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GenericToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `message` are never read
[INFO] [stdout]   --> src/scanner.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 9  |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SyntaxError` 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: fields `kind`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GenericToken<T: Debug> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 6 |     pub kind: TokenKind,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub literal: T,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub line: u32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GenericToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "68896dee9b273c2368af36c3205c0c70a0e15972dde4f3a304986adfa37a3f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68896dee9b273c2368af36c3205c0c70a0e15972dde4f3a304986adfa37a3f62", kill_on_drop: false }`
[INFO] [stdout] 68896dee9b273c2368af36c3205c0c70a0e15972dde4f3a304986adfa37a3f62