[INFO] cloning repository https://github.com/ProbablyClem/string_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProbablyClem/string_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba0a46c603e1393c9cfdccbc11b82945dc3cc304
[INFO] testing ProbablyClem/string_parser against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProbablyClem/string_parser on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ProbablyClem/string_parser
[INFO] finished tweaking git repo https://github.com/ProbablyClem/string_parser
[INFO] tweaked toml for git repo https://github.com/ProbablyClem/string_parser written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/ProbablyClem/string_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8a5940b7c4516e296a10fcdf8bed05a70e917a9403d6d29d3d857cec14d977f
[INFO] running `Command { std: "docker" "start" "-a" "c8a5940b7c4516e296a10fcdf8bed05a70e917a9403d6d29d3d857cec14d977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a5940b7c4516e296a10fcdf8bed05a70e917a9403d6d29d3d857cec14d977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a5940b7c4516e296a10fcdf8bed05a70e917a9403d6d29d3d857cec14d977f", kill_on_drop: false }`
[INFO] [stdout] c8a5940b7c4516e296a10fcdf8bed05a70e917a9403d6d29d3d857cec14d977f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbc18ce985617e574448892cab634a75f72b41d2d11796234fa6a88fabf363f
[INFO] running `Command { std: "docker" "start" "-a" "4fbc18ce985617e574448892cab634a75f72b41d2d11796234fa6a88fabf363f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string-parser v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "4fbc18ce985617e574448892cab634a75f72b41d2d11796234fa6a88fabf363f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbc18ce985617e574448892cab634a75f72b41d2d11796234fa6a88fabf363f", kill_on_drop: false }`
[INFO] [stdout] 4fbc18ce985617e574448892cab634a75f72b41d2d11796234fa6a88fabf363f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bcb68f8de6878242a49ff916f7909f6b9d2c8df2f3ac0c739172cd64ca47489
[INFO] running `Command { std: "docker" "start" "-a" "0bcb68f8de6878242a49ff916f7909f6b9d2c8df2f3ac0c739172cd64ca47489", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string-parser v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/lib.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "0bcb68f8de6878242a49ff916f7909f6b9d2c8df2f3ac0c739172cd64ca47489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcb68f8de6878242a49ff916f7909f6b9d2c8df2f3ac0c739172cd64ca47489", kill_on_drop: false }`
[INFO] [stdout] 0bcb68f8de6878242a49ff916f7909f6b9d2c8df2f3ac0c739172cd64ca47489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c84353d31606953dc0819244c2f7d775f2f4378f3e8b2d349d762dbaf2d5da5f
[INFO] running `Command { std: "docker" "start" "-a" "c84353d31606953dc0819244c2f7d775f2f4378f3e8b2d349d762dbaf2d5da5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/lib.rs:18:36
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/lib.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stderr]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: `string-parser` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_parser-9b8b9a00e19062d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_closure - should panic ... ok
[INFO] [stdout] test tests::doc_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-parser
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Parser::add (line 188) - compile ... ok
[INFO] [stdout] test src/lib.rs - Parser::add (line 206) - compile ... ok
[INFO] [stdout] test src/lib.rs - Parser (line 141) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c84353d31606953dc0819244c2f7d775f2f4378f3e8b2d349d762dbaf2d5da5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84353d31606953dc0819244c2f7d775f2f4378f3e8b2d349d762dbaf2d5da5f", kill_on_drop: false }`
[INFO] [stdout] c84353d31606953dc0819244c2f7d775f2f4378f3e8b2d349d762dbaf2d5da5f