[INFO] cloning repository https://github.com/alvinometric/rustidoo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvinometric/rustidoo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bebd6fe4f7e126e7f4d1a6ca0a15e44fbcdde9f5
[INFO] checking alvinometric/rustidoo/bebd6fe4f7e126e7f4d1a6ca0a15e44fbcdde9f5 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvinometric/rustidoo on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvinometric/rustidoo
[INFO] finished tweaking git repo https://github.com/alvinometric/rustidoo
[INFO] tweaked toml for git repo https://github.com/alvinometric/rustidoo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alvinometric/rustidoo 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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a61d805d1787c06dffc7d5025cad3cb832a3d918fc2e58c74e8609474d283068
[INFO] running `Command { std: "docker" "start" "-a" "a61d805d1787c06dffc7d5025cad3cb832a3d918fc2e58c74e8609474d283068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61d805d1787c06dffc7d5025cad3cb832a3d918fc2e58c74e8609474d283068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61d805d1787c06dffc7d5025cad3cb832a3d918fc2e58c74e8609474d283068", kill_on_drop: false }`
[INFO] [stdout] a61d805d1787c06dffc7d5025cad3cb832a3d918fc2e58c74e8609474d283068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638b597b72425750fbc4d7bd25bf1b71d4ae1ade1461359cee287ba944215fcc
[INFO] running `Command { std: "docker" "start" "-a" "638b597b72425750fbc4d7bd25bf1b71d4ae1ade1461359cee287ba944215fcc", kill_on_drop: false }`
[INFO] [stderr] warning: rustidoo v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num2words v0.4.1
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking fraction v0.13.1
[INFO] [stderr]     Checking rustidoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `out_format`
[INFO] [stdout]   --> examples/292/main.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn convert_color(in_format: &str, out_format: &str, color: &str) -> String {
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> examples/291/main.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fraction_math(a: &str, operation: &str, b: &str) -> String {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "638b597b72425750fbc4d7bd25bf1b71d4ae1ade1461359cee287ba944215fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638b597b72425750fbc4d7bd25bf1b71d4ae1ade1461359cee287ba944215fcc", kill_on_drop: false }`
[INFO] [stdout] 638b597b72425750fbc4d7bd25bf1b71d4ae1ade1461359cee287ba944215fcc