[INFO] updating cached repository https://github.com/Wilfred/sooty
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f58fbecffbb7973903da328e77296ba7364b4122
[INFO] testing Wilfred/sooty against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilfred%2Fsooty" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wilfred/sooty on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Wilfred/sooty
[INFO] finished tweaking git repo https://github.com/Wilfred/sooty
[INFO] tweaked toml for git repo https://github.com/Wilfred/sooty written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Wilfred/sooty already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] beb02ceb5761ce36c2f2592a52a70f57082c08f32d9f14eee03301d1247eb7fa
[INFO] running `"docker" "start" "-a" "beb02ceb5761ce36c2f2592a52a70f57082c08f32d9f14eee03301d1247eb7fa"`
[INFO] [stderr]    Compiling sooty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     Some(mut parent_list) => {
[INFO] [stderr]    |                          ----^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "beb02ceb5761ce36c2f2592a52a70f57082c08f32d9f14eee03301d1247eb7fa"`
[INFO] running `"docker" "rm" "-f" "beb02ceb5761ce36c2f2592a52a70f57082c08f32d9f14eee03301d1247eb7fa"`
[INFO] [stdout] beb02ceb5761ce36c2f2592a52a70f57082c08f32d9f14eee03301d1247eb7fa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 96e74e21375cb968d424c385897e03ba16a7c88c43e76dcf0b068417d63af798
[INFO] running `"docker" "start" "-a" "96e74e21375cb968d424c385897e03ba16a7c88c43e76dcf0b068417d63af798"`
[INFO] [stderr]    Compiling sooty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     Some(mut parent_list) => {
[INFO] [stderr]    |                          ----^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "96e74e21375cb968d424c385897e03ba16a7c88c43e76dcf0b068417d63af798"`
[INFO] running `"docker" "rm" "-f" "96e74e21375cb968d424c385897e03ba16a7c88c43e76dcf0b068417d63af798"`
[INFO] [stdout] 96e74e21375cb968d424c385897e03ba16a7c88c43e76dcf0b068417d63af798
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5d88028683a876bbb8a2f803e9b51e075f38631f8ccf9f854a88fbe1d0bce98b
[INFO] running `"docker" "start" "-a" "5d88028683a876bbb8a2f803e9b51e075f38631f8ccf9f854a88fbe1d0bce98b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sooty-d136fa94c448ee03
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lexer::test_lex_left_paren ... ok
[INFO] [stdout] test lexer::test_lex_left_paren_and_number ... ok
[INFO] [stdout] test lexer::test_lex_multiple_numbers ... ok
[INFO] [stdout] test lexer::test_lex_right_paren ... ok
[INFO] [stdout] test lexer::test_lex_single_number ... ok
[INFO] [stdout] test lexer::test_parse_unbalanced_left ... ok
[INFO] [stdout] test lexer::test_parse_empty ... ok
[INFO] [stdout] test lexer::test_parse_unbalanced_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d88028683a876bbb8a2f803e9b51e075f38631f8ccf9f854a88fbe1d0bce98b"`
[INFO] running `"docker" "rm" "-f" "5d88028683a876bbb8a2f803e9b51e075f38631f8ccf9f854a88fbe1d0bce98b"`
[INFO] [stdout] 5d88028683a876bbb8a2f803e9b51e075f38631f8ccf9f854a88fbe1d0bce98b