[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 try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jsimmons/lax on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jsimmons/lax 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f1445de8f285fd5799889412271add3273b2188aeaf040e05a1dd148c3dca3d
[INFO] running `Command { std: "docker" "start" "-a" "2f1445de8f285fd5799889412271add3273b2188aeaf040e05a1dd148c3dca3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1445de8f285fd5799889412271add3273b2188aeaf040e05a1dd148c3dca3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1445de8f285fd5799889412271add3273b2188aeaf040e05a1dd148c3dca3d", kill_on_drop: false }`
[INFO] [stdout] 2f1445de8f285fd5799889412271add3273b2188aeaf040e05a1dd148c3dca3d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00fd7b1b46843092f3d77a303e736d1943833bbffa90aa349dc8e26ec33523e
[INFO] running `Command { std: "docker" "start" "-a" "a00fd7b1b46843092f3d77a303e736d1943833bbffa90aa349dc8e26ec33523e", 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: method `had_error` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stdout]    | ------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String(&'text [u8]),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     String(&'text [u8]),
[INFO] [stdout] 32 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Number(f64),
[INFO] [stdout] 33 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Token<'text> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 58 |     token_type: TokenType<'text>,
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a00fd7b1b46843092f3d77a303e736d1943833bbffa90aa349dc8e26ec33523e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00fd7b1b46843092f3d77a303e736d1943833bbffa90aa349dc8e26ec33523e", kill_on_drop: false }`
[INFO] [stdout] a00fd7b1b46843092f3d77a303e736d1943833bbffa90aa349dc8e26ec33523e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc56c9de33e9a5b11d80514fae4c62b38ae6fd8b3fc556a7e0b7c9b0043f917
[INFO] running `Command { std: "docker" "start" "-a" "8dc56c9de33e9a5b11d80514fae4c62b38ae6fd8b3fc556a7e0b7c9b0043f917", kill_on_drop: false }`
[INFO] [stderr]    Compiling lax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `had_error` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stdout]    | ------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String(&'text [u8]),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     String(&'text [u8]),
[INFO] [stdout] 32 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scanner.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Number(f64),
[INFO] [stdout] 33 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Token<'text> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 58 |     token_type: TokenType<'text>,
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "8dc56c9de33e9a5b11d80514fae4c62b38ae6fd8b3fc556a7e0b7c9b0043f917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc56c9de33e9a5b11d80514fae4c62b38ae6fd8b3fc556a7e0b7c9b0043f917", kill_on_drop: false }`
[INFO] [stdout] 8dc56c9de33e9a5b11d80514fae4c62b38ae6fd8b3fc556a7e0b7c9b0043f917
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ada5cbd36e379b53f0fe6cd0d6ef838913484351e27a769d713e72b1608e7ef7
[INFO] running `Command { std: "docker" "start" "-a" "ada5cbd36e379b53f0fe6cd0d6ef838913484351e27a769d713e72b1608e7ef7", kill_on_drop: false }`
[INFO] [stderr] warning: method `had_error` is never used
[INFO] [stderr]   --> src/main.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stderr]    | ------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn had_error(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `run_file` is never used
[INFO] [stderr]   --> src/main.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | impl<'chunk, 'report> Lax<'chunk, 'report> {
[INFO] [stderr]    | ------------------------------------------ associated function in this implementation
[INFO] [stderr] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/scanner.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     String(&'text [u8]),
[INFO] [stderr]    |     ------ ^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 32 -     String(&'text [u8]),
[INFO] [stderr] 32 +     String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/scanner.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Number(f64),
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 33 -     Number(f64),
[INFO] [stderr] 33 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `lexeme` and `line` are never read
[INFO] [stderr]   --> src/scanner.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Token<'text> {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 58 |     token_type: TokenType<'text>,
[INFO] [stderr] 59 |     lexeme: &'text [u8],
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 60 |     line: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `lax` (bin "lax" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lax-8d4f1ecf23fe7697)
[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" "ada5cbd36e379b53f0fe6cd0d6ef838913484351e27a769d713e72b1608e7ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada5cbd36e379b53f0fe6cd0d6ef838913484351e27a769d713e72b1608e7ef7", kill_on_drop: false }`
[INFO] [stdout] ada5cbd36e379b53f0fe6cd0d6ef838913484351e27a769d713e72b1608e7ef7