[INFO] cloning repository https://github.com/jsimmons/lax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsimmons/lax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae45d665069be19186dbe18227670e74989c07b4
[INFO] testing jsimmons/lax against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsimmons/lax on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsimmons/lax
[INFO] finished tweaking git repo https://github.com/jsimmons/lax
[INFO] tweaked toml for git repo https://github.com/jsimmons/lax written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jsimmons/lax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b2a3e493e36d43201cab4be49547824317357cecab3ab4362026e92de0c560
[INFO] running `Command { std: "docker" "start" "-a" "e6b2a3e493e36d43201cab4be49547824317357cecab3ab4362026e92de0c560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b2a3e493e36d43201cab4be49547824317357cecab3ab4362026e92de0c560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b2a3e493e36d43201cab4be49547824317357cecab3ab4362026e92de0c560", kill_on_drop: false }`
[INFO] [stdout] e6b2a3e493e36d43201cab4be49547824317357cecab3ab4362026e92de0c560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 926596af0206464fc03e2d1f5dd3fdfd0409540ebd3c201d87cf6b0d754348fb
[INFO] running `Command { std: "docker" "start" "-a" "926596af0206464fc03e2d1f5dd3fdfd0409540ebd3c201d87cf6b0d754348fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling lax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/scanner.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `had_error`
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_file`
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "926596af0206464fc03e2d1f5dd3fdfd0409540ebd3c201d87cf6b0d754348fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926596af0206464fc03e2d1f5dd3fdfd0409540ebd3c201d87cf6b0d754348fb", kill_on_drop: false }`
[INFO] [stdout] 926596af0206464fc03e2d1f5dd3fdfd0409540ebd3c201d87cf6b0d754348fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4fdbe253f20207a9bfa3c91affe5d32fd27d693ab8f19db40bf2eee768ed0e
[INFO] running `Command { std: "docker" "start" "-a" "0e4fdbe253f20207a9bfa3c91affe5d32fd27d693ab8f19db40bf2eee768ed0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/scanner.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `had_error`
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_file`
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0e4fdbe253f20207a9bfa3c91affe5d32fd27d693ab8f19db40bf2eee768ed0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4fdbe253f20207a9bfa3c91affe5d32fd27d693ab8f19db40bf2eee768ed0e", kill_on_drop: false }`
[INFO] [stdout] 0e4fdbe253f20207a9bfa3c91affe5d32fd27d693ab8f19db40bf2eee768ed0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 842332ce36b56e39b9fbe4164af2f3e2a5ac11cbcb2a0c590613de2f50d2d4d1
[INFO] running `Command { std: "docker" "start" "-a" "842332ce36b56e39b9fbe4164af2f3e2a5ac11cbcb2a0c590613de2f50d2d4d1", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `lexeme`
[INFO] [stderr]   --> src/scanner.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     lexeme: &'text [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/scanner.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     line: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `had_error`
[INFO] [stderr]   --> src/main.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn had_error(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run_file`
[INFO] [stderr]   --> src/main.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lax` (bin "lax" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lax-c3c773bd5cb34ab4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "842332ce36b56e39b9fbe4164af2f3e2a5ac11cbcb2a0c590613de2f50d2d4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842332ce36b56e39b9fbe4164af2f3e2a5ac11cbcb2a0c590613de2f50d2d4d1", kill_on_drop: false }`
[INFO] [stdout] 842332ce36b56e39b9fbe4164af2f3e2a5ac11cbcb2a0c590613de2f50d2d4d1