[INFO] cloning repository https://github.com/linus307/rustcue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linus307/rustcue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinus307%2Frustcue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinus307%2Frustcue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b012bdc56194f827f78720c3e8b7ee29aa0e1e0
[INFO] checking linus307/rustcue against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinus307%2Frustcue" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/linus307/rustcue
[INFO] finished tweaking git repo https://github.com/linus307/rustcue
[INFO] tweaked toml for git repo https://github.com/linus307/rustcue written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/linus307/rustcue on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/linus307/rustcue 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfed7ba2c05af531c8fde44649822a34d6a73e83fa5b8d767efd6cd0b9d77dfd
[INFO] running `Command { std: "docker" "start" "-a" "cfed7ba2c05af531c8fde44649822a34d6a73e83fa5b8d767efd6cd0b9d77dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfed7ba2c05af531c8fde44649822a34d6a73e83fa5b8d767efd6cd0b9d77dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfed7ba2c05af531c8fde44649822a34d6a73e83fa5b8d767efd6cd0b9d77dfd", kill_on_drop: false }`
[INFO] [stdout] cfed7ba2c05af531c8fde44649822a34d6a73e83fa5b8d767efd6cd0b9d77dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 749a94c8398329562d8497a75222b47cee88fda697cb3755d8d06cf7850bdb0e
[INFO] running `Command { std: "docker" "start" "-a" "749a94c8398329562d8497a75222b47cee88fda697cb3755d8d06cf7850bdb0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking rustcue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lexer.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let mut exp_start = i - 1;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_newline` is never used
[INFO] [stdout]   --> src/lexer.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn is_newline(c: char) -> 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: function `is_unicode_char` is never used
[INFO] [stdout]   --> src/lexer.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn is_unicode_char(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lexer.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let mut exp_start = i - 1;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_newline` is never used
[INFO] [stdout]   --> src/lexer.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn is_newline(c: char) -> 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: function `is_unicode_char` is never used
[INFO] [stdout]   --> src/lexer.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn is_unicode_char(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "749a94c8398329562d8497a75222b47cee88fda697cb3755d8d06cf7850bdb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749a94c8398329562d8497a75222b47cee88fda697cb3755d8d06cf7850bdb0e", kill_on_drop: false }`
[INFO] [stdout] 749a94c8398329562d8497a75222b47cee88fda697cb3755d8d06cf7850bdb0e