[INFO] cloning repository https://github.com/Wilfred/sooty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wilfred/sooty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilfred%2Fsooty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilfred%2Fsooty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f58fbecffbb7973903da328e77296ba7364b4122
[INFO] testing Wilfred/sooty against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilfred%2Fsooty" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wilfred/sooty on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/Wilfred/sooty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed91e7b1a1a4aeb5367ef67728baf029a9ead7d4d16f30a10fbca5a610e19334
[INFO] running `Command { std: "docker" "start" "-a" "ed91e7b1a1a4aeb5367ef67728baf029a9ead7d4d16f30a10fbca5a610e19334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed91e7b1a1a4aeb5367ef67728baf029a9ead7d4d16f30a10fbca5a610e19334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed91e7b1a1a4aeb5367ef67728baf029a9ead7d4d16f30a10fbca5a610e19334", kill_on_drop: false }`
[INFO] [stdout] ed91e7b1a1a4aeb5367ef67728baf029a9ead7d4d16f30a10fbca5a610e19334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d6c665e9cfce6aa4afb84250028f7e5ac4f4927e0448770c76baef15c0bd44c
[INFO] running `Command { std: "docker" "start" "-a" "0d6c665e9cfce6aa4afb84250028f7e5ac4f4927e0448770c76baef15c0bd44c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.13
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling regex v0.1.71
[INFO] [stderr]    Compiling sooty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Some(mut parent_list) => {
[INFO] [stdout]    |                          ----^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.14s
[INFO] running `Command { std: "docker" "inspect" "0d6c665e9cfce6aa4afb84250028f7e5ac4f4927e0448770c76baef15c0bd44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6c665e9cfce6aa4afb84250028f7e5ac4f4927e0448770c76baef15c0bd44c", kill_on_drop: false }`
[INFO] [stdout] 0d6c665e9cfce6aa4afb84250028f7e5ac4f4927e0448770c76baef15c0bd44c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db83e676dd36910cf1739552018eafa08a4fc5c14f27942567937baab3318b26
[INFO] running `Command { std: "docker" "start" "-a" "db83e676dd36910cf1739552018eafa08a4fc5c14f27942567937baab3318b26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sooty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Some(mut parent_list) => {
[INFO] [stdout]    |                          ----^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "db83e676dd36910cf1739552018eafa08a4fc5c14f27942567937baab3318b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db83e676dd36910cf1739552018eafa08a4fc5c14f27942567937baab3318b26", kill_on_drop: false }`
[INFO] [stdout] db83e676dd36910cf1739552018eafa08a4fc5c14f27942567937baab3318b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed67ac1592574d78f42d1dafef5e3d6eb80ae7ead50809d64a7e717bcc21e4f5
[INFO] running `Command { std: "docker" "start" "-a" "ed67ac1592574d78f42d1dafef5e3d6eb80ae7ead50809d64a7e717bcc21e4f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] warning: `sooty` (bin "sooty" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sooty-37e2ee865e012780)
[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_empty ... ok
[INFO] [stdout] test lexer::test_parse_unbalanced_left ... 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; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed67ac1592574d78f42d1dafef5e3d6eb80ae7ead50809d64a7e717bcc21e4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed67ac1592574d78f42d1dafef5e3d6eb80ae7ead50809d64a7e717bcc21e4f5", kill_on_drop: false }`
[INFO] [stdout] ed67ac1592574d78f42d1dafef5e3d6eb80ae7ead50809d64a7e717bcc21e4f5