[INFO] fetching crate grrrrrrs 0.1.0...
[INFO] testing grrrrrrs-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate grrrrrrs 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate grrrrrrs 0.1.0
[INFO] finished tweaking crates.io crate grrrrrrs 0.1.0
[INFO] tweaked toml for crates.io crate grrrrrrs 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grrrrrrs 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grrrrrrs 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded clap_derive v3.1.4
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e19ecc5e4d17f5e6b7f327e9b6b328ac53e425b7b54464f795f4989bf5ae6da
[INFO] running `Command { std: "docker" "start" "-a" "8e19ecc5e4d17f5e6b7f327e9b6b328ac53e425b7b54464f795f4989bf5ae6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e19ecc5e4d17f5e6b7f327e9b6b328ac53e425b7b54464f795f4989bf5ae6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e19ecc5e4d17f5e6b7f327e9b6b328ac53e425b7b54464f795f4989bf5ae6da", kill_on_drop: false }`
[INFO] [stdout] 8e19ecc5e4d17f5e6b7f327e9b6b328ac53e425b7b54464f795f4989bf5ae6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca35a0efe79e7f1a5683659a61d363a062fa27530ca1a14834566faf68d881d
[INFO] running `Command { std: "docker" "start" "-a" "4ca35a0efe79e7f1a5683659a61d363a062fa27530ca1a14834566faf68d881d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]    Compiling grrrrrrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CustomError` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct CustomError(String);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `Command { std: "docker" "inspect" "4ca35a0efe79e7f1a5683659a61d363a062fa27530ca1a14834566faf68d881d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca35a0efe79e7f1a5683659a61d363a062fa27530ca1a14834566faf68d881d", kill_on_drop: false }`
[INFO] [stdout] 4ca35a0efe79e7f1a5683659a61d363a062fa27530ca1a14834566faf68d881d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22dd65c8976a667dc1fc03d382a197ab2fa78da5e72b2f0c151d398a70c1031f
[INFO] running `Command { std: "docker" "start" "-a" "22dd65c8976a667dc1fc03d382a197ab2fa78da5e72b2f0c151d398a70c1031f", kill_on_drop: false }`
[INFO] [stderr]    Compiling grrrrrrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CustomError` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct CustomError(String);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomError` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct CustomError(String);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "22dd65c8976a667dc1fc03d382a197ab2fa78da5e72b2f0c151d398a70c1031f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22dd65c8976a667dc1fc03d382a197ab2fa78da5e72b2f0c151d398a70c1031f", kill_on_drop: false }`
[INFO] [stdout] 22dd65c8976a667dc1fc03d382a197ab2fa78da5e72b2f0c151d398a70c1031f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdf2fa736eb12ec6899404dc4be452274cd060d56ba5b5ee401154f358694508
[INFO] running `Command { std: "docker" "start" "-a" "cdf2fa736eb12ec6899404dc4be452274cd060d56ba5b5ee401154f358694508", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CustomError` is never constructed
[INFO] [stderr]  --> src/main.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct CustomError(String);
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `grrrrrrs` (bin "grrrrrrs") generated 1 warning
[INFO] [stderr] warning: `grrrrrrs` (bin "grrrrrrs" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grrrrrrs-e5e2011e8c0ce715)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grrrrrrs-586cc07dab938c21)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-e525614996388773)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::find_matches_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grrrrrrs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdf2fa736eb12ec6899404dc4be452274cd060d56ba5b5ee401154f358694508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf2fa736eb12ec6899404dc4be452274cd060d56ba5b5ee401154f358694508", kill_on_drop: false }`
[INFO] [stdout] cdf2fa736eb12ec6899404dc4be452274cd060d56ba5b5ee401154f358694508