[INFO] cloning repository https://github.com/yistarostin/mmv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yistarostin/mmv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyistarostin%2Fmmv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyistarostin%2Fmmv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 376eb95e11e7db1bdb0b4c6d62c9f49e35a6f14f
[INFO] checking yistarostin/mmv against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyistarostin%2Fmmv" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yistarostin/mmv on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yistarostin/mmv
[INFO] finished tweaking git repo https://github.com/yistarostin/mmv
[INFO] tweaked toml for git repo https://github.com/yistarostin/mmv written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yistarostin/mmv 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v2.0.0
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[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f7e260d2eee9427b2a7f04c181fe7140afdd288cec561b042894c071d33d582
[INFO] running `Command { std: "docker" "start" "-a" "5f7e260d2eee9427b2a7f04c181fe7140afdd288cec561b042894c071d33d582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f7e260d2eee9427b2a7f04c181fe7140afdd288cec561b042894c071d33d582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e260d2eee9427b2a7f04c181fe7140afdd288cec561b042894c071d33d582", kill_on_drop: false }`
[INFO] [stdout] 5f7e260d2eee9427b2a7f04c181fe7140afdd288cec561b042894c071d33d582
[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=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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b478f88be177293e8dbfebfe68a7a1cd95cecf179b6faf916e13c502fe965967
[INFO] running `Command { std: "docker" "start" "-a" "b478f88be177293e8dbfebfe68a7a1cd95cecf179b6faf916e13c502fe965967", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
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[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking coolor v0.5.1
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[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking path-clean v1.0.1
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[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking predicates v3.0.4
[INFO] [stderr]     Checking coolor v0.8.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.0.1
[INFO] [stderr]     Checking xterm-query v0.2.0
[INFO] [stderr]     Checking terminal-light v1.1.1
[INFO] [stderr]     Checking lazy-regex v3.0.2
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking termimad v0.25.7
[INFO] [stderr]     Checking clap-help v1.0.0
[INFO] [stderr]     Checking mmv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     set_current_dir(path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = set_current_dir(path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fs::remove_dir_all("tmp");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let _ = fs::remove_dir_all("tmp");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 create_dir_all(file_dir.unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = create_dir_all(file_dir.unwrap());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             created_file.unwrap().sync_all();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let _ = created_file.unwrap().sync_all();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             create_dir_all(Path::new("./tmp/").join(directory));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let _ = create_dir_all(Path::new("./tmp/").join(directory));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         set_current_dir("tmp/");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = set_current_dir("tmp/");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     set_current_dir("..");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let _ = set_current_dir("..");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fs::remove_dir_all("tmp");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let _ = fs::remove_dir_all("tmp");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/matcher.rs:81:45
[INFO] [stdout]    |
[INFO] [stdout] 81 |           let mut filename_iterator = filename
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 82 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/matcher.rs:81:45
[INFO] [stdout]    |
[INFO] [stdout] 81 |           let mut filename_iterator = filename
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 82 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "b478f88be177293e8dbfebfe68a7a1cd95cecf179b6faf916e13c502fe965967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b478f88be177293e8dbfebfe68a7a1cd95cecf179b6faf916e13c502fe965967", kill_on_drop: false }`
[INFO] [stdout] b478f88be177293e8dbfebfe68a7a1cd95cecf179b6faf916e13c502fe965967