[INFO] cloning repository https://github.com/chrischtel/tlihnnf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrischtel/tlihnnf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Ftlihnnf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Ftlihnnf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ba211f654ed85c6dd84c2429a4f66bbd4dc2299
[INFO] checking chrischtel/tlihnnf against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Ftlihnnf" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chrischtel/tlihnnf
[INFO] finished tweaking git repo https://github.com/chrischtel/tlihnnf
[INFO] tweaked toml for git repo https://github.com/chrischtel/tlihnnf written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chrischtel/tlihnnf on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chrischtel/tlihnnf 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a465da183564dfdc8da9992e0ea8a055f6492cd6f99e60c5ebb27379915772
[INFO] running `Command { std: "docker" "start" "-a" "f8a465da183564dfdc8da9992e0ea8a055f6492cd6f99e60c5ebb27379915772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a465da183564dfdc8da9992e0ea8a055f6492cd6f99e60c5ebb27379915772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a465da183564dfdc8da9992e0ea8a055f6492cd6f99e60c5ebb27379915772", kill_on_drop: false }`
[INFO] [stdout] f8a465da183564dfdc8da9992e0ea8a055f6492cd6f99e60c5ebb27379915772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39856e11468fc88b5c099467691bfe3e599952f64a00023a78abf3b3aebc37e
[INFO] running `Command { std: "docker" "start" "-a" "d39856e11468fc88b5c099467691bfe3e599952f64a00023a78abf3b3aebc37e", kill_on_drop: false }`
[INFO] [stderr]     Checking tlihnnf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/lexer/core.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn make_token(kind: TokenKind, start: usize, end: usize, line: usize) -> Token {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/lexer/core.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn make_token(kind: TokenKind, start: usize, end: usize, line: usize) -> Token {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]  --> src/lexer/core.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Span {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 7 |     pub fn length(&self) -> usize {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IDENTIFIER` and `NUMBER` are never constructed
[INFO] [stdout]   --> src/lexer/core.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     IDENTIFIER,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     NUMBER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]  --> src/lexer/core.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Span {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 7 |     pub fn length(&self) -> usize {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IDENTIFIER` and `NUMBER` are never constructed
[INFO] [stdout]   --> src/lexer/core.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     IDENTIFIER,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     NUMBER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "d39856e11468fc88b5c099467691bfe3e599952f64a00023a78abf3b3aebc37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39856e11468fc88b5c099467691bfe3e599952f64a00023a78abf3b3aebc37e", kill_on_drop: false }`
[INFO] [stdout] d39856e11468fc88b5c099467691bfe3e599952f64a00023a78abf3b3aebc37e