[INFO] cloning repository https://github.com/pvdrz/beheader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pvdrz/beheader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvdrz%2Fbeheader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvdrz%2Fbeheader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3d43a25ff6f0547bf77b6f601cc9f5354ae65d7
[INFO] checking pvdrz/beheader against master#1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvdrz%2Fbeheader" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pvdrz/beheader on toolchain 1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pvdrz/beheader
[INFO] finished tweaking git repo https://github.com/pvdrz/beheader
[INFO] tweaked toml for git repo https://github.com/pvdrz/beheader written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pvdrz/beheader 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" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking pvdrz/beheader against try#a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvdrz%2Fbeheader" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pvdrz/beheader on toolchain a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pvdrz/beheader
[INFO] finished tweaking git repo https://github.com/pvdrz/beheader
[INFO] tweaked toml for git repo https://github.com/pvdrz/beheader written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pvdrz/beheader 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" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7eb5c562f9df9c5da9db231cb7a60a352a4e0adc9c028581d253f23213ab15f
[INFO] running `Command { std: "docker" "start" "-a" "b7eb5c562f9df9c5da9db231cb7a60a352a4e0adc9c028581d253f23213ab15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7eb5c562f9df9c5da9db231cb7a60a352a4e0adc9c028581d253f23213ab15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eb5c562f9df9c5da9db231cb7a60a352a4e0adc9c028581d253f23213ab15f", kill_on_drop: false }`
[INFO] [stdout] b7eb5c562f9df9c5da9db231cb7a60a352a4e0adc9c028581d253f23213ab15f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2abc79c4f564e8a9e6b284dfa3e0ecb5e42f8db97c4f320affd8701f368ca52
[INFO] running `Command { std: "docker" "start" "-a" "b2abc79c4f564e8a9e6b284dfa3e0ecb5e42f8db97c4f320affd8701f368ca52", kill_on_drop: false }`
[INFO] [stderr]     Checking beheader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `buffer::TokenBuffer`
[INFO] [stdout]  --> src/lexer/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{buffer::TokenBuffer, lexer::TokenKind, span::Span};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Reject`
[INFO] [stdout]  --> src/lexer/tests.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Lexer, Reject, Token};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_bytes` is never used
[INFO] [stdout]    --> src/lexer/mod.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 95  | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn parse_bytes(self, tag: &[u8]) -> std::result::Result<Self, Reject> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Char`, `Str`, `Punct`, `Any`, `Space`, and `Newline` are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) enum TokenKind {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     // A `string-literal`.
[INFO] [stdout] 31 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     // A `punctuator`.
[INFO] [stdout] 33 |     Punct,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     // Any non-white-space character that cannot be one of the above.
[INFO] [stdout] 35 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     // A sequence of white-space characters possibly including comments.
[INFO] [stdout] 37 |     Space,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     // A single new-line character.
[INFO] [stdout] 39 |     Newline,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_bytes` is never used
[INFO] [stdout]    --> src/lexer/mod.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 95  | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn parse_bytes(self, tag: &[u8]) -> std::result::Result<Self, Reject> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Char`, `Str`, `Punct`, `Any`, `Space`, and `Newline` are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) enum TokenKind {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     // A `string-literal`.
[INFO] [stdout] 31 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     // A `punctuator`.
[INFO] [stdout] 33 |     Punct,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     // Any non-white-space character that cannot be one of the above.
[INFO] [stdout] 35 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     // A sequence of white-space characters possibly including comments.
[INFO] [stdout] 37 |     Space,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     // A single new-line character.
[INFO] [stdout] 39 |     Newline,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "b2abc79c4f564e8a9e6b284dfa3e0ecb5e42f8db97c4f320affd8701f368ca52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2abc79c4f564e8a9e6b284dfa3e0ecb5e42f8db97c4f320affd8701f368ca52", kill_on_drop: false }`
[INFO] [stdout] b2abc79c4f564e8a9e6b284dfa3e0ecb5e42f8db97c4f320affd8701f368ca52