[INFO] cloning repository https://github.com/BasileGnemmi/dasher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BasileGnemmi/dasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasileGnemmi%2Fdasher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasileGnemmi%2Fdasher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a73f781e760910c303b45ed66bfd474b1f17d55f
[INFO] testing BasileGnemmi/dasher against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasileGnemmi%2Fdasher" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BasileGnemmi/dasher
[INFO] finished tweaking git repo https://github.com/BasileGnemmi/dasher
[INFO] tweaked toml for git repo https://github.com/BasileGnemmi/dasher written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BasileGnemmi/dasher on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BasileGnemmi/dasher 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c3bbb4759f0ff99229833a7548e3dd92e3f18388e8d05aff82a81b688e08e8
[INFO] running `Command { std: "docker" "start" "-a" "17c3bbb4759f0ff99229833a7548e3dd92e3f18388e8d05aff82a81b688e08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c3bbb4759f0ff99229833a7548e3dd92e3f18388e8d05aff82a81b688e08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c3bbb4759f0ff99229833a7548e3dd92e3f18388e8d05aff82a81b688e08e8", kill_on_drop: false }`
[INFO] [stdout] 17c3bbb4759f0ff99229833a7548e3dd92e3f18388e8d05aff82a81b688e08e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e9d855a7d6184ab3b252db94f909ec3dea8facf6c56b4e6ae63e68a42726050
[INFO] running `Command { std: "docker" "start" "-a" "3e9d855a7d6184ab3b252db94f909ec3dea8facf6c56b4e6ae63e68a42726050", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling avif-serialize v0.8.3
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[INFO] [stderr]    Compiling gif v0.13.1
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[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling x11rb v0.10.1
[INFO] [stderr]    Compiling tree_magic_mini v3.1.6
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling qoi v0.4.1
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[INFO] [stderr]    Compiling vecmath v1.0.0
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[INFO] [stderr]    Compiling read_color v1.0.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling spin_sleep v1.3.1
[INFO] [stderr]    Compiling piston2d-graphics v0.44.0
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling x11-clipboard v0.7.1
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling wl-clipboard-rs v0.7.0
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling cli-clipboard v0.4.0
[INFO] [stderr]    Compiling pistoncore-input v1.0.1
[INFO] [stderr]    Compiling pistoncore-window v1.0.0
[INFO] [stderr]    Compiling pistoncore-event_loop v1.0.0
[INFO] [stderr]    Compiling piston v1.0.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.72.0
[INFO] [stderr]    Compiling ravif v0.11.11
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.85.1
[INFO] [stderr]    Compiling face_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]    --> src/words/wordsearch.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut n = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_n` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `av`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let av = vec![6532, 1358, 6495, 9024, 6149, 2628, 931, 551, 1369, 4810, 71, 6853, 5560, 2916, 1295, 7578, 4909, 2333, 5579, 4151, 187...
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_av`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LeColoris` should have a snake case name
[INFO] [stdout]    --> src/main.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let mut LeColoris = 0;
[INFO] [stdout]     |                             ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LeColoris` should have a snake case name
[INFO] [stdout]    --> src/main.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   let mut LeColoris = 0;
[INFO] [stdout]     |                               ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10m 46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wl-clipboard-rs v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3e9d855a7d6184ab3b252db94f909ec3dea8facf6c56b4e6ae63e68a42726050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9d855a7d6184ab3b252db94f909ec3dea8facf6c56b4e6ae63e68a42726050", kill_on_drop: false }`
[INFO] [stdout] 3e9d855a7d6184ab3b252db94f909ec3dea8facf6c56b4e6ae63e68a42726050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c01218669348c70eeb3dfd29921aab8d97872bab814e92f0121098a0d9cce56
[INFO] running `Command { std: "docker" "start" "-a" "9c01218669348c70eeb3dfd29921aab8d97872bab814e92f0121098a0d9cce56", kill_on_drop: false }`
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]    --> src/words/wordsearch.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut n = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_n` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling face_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]    --> src/words/wordsearch.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut n = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_n` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `av`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let av = vec![6532, 1358, 6495, 9024, 6149, 2628, 931, 551, 1369, 4810, 71, 6853, 5560, 2916, 1295, 7578, 4909, 2333, 5579, 4151, 187...
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_av`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LeColoris` should have a snake case name
[INFO] [stdout]    --> src/main.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let mut LeColoris = 0;
[INFO] [stdout]     |                             ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LeColoris` should have a snake case name
[INFO] [stdout]    --> src/main.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   let mut LeColoris = 0;
[INFO] [stdout]     |                               ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wl-clipboard-rs v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9c01218669348c70eeb3dfd29921aab8d97872bab814e92f0121098a0d9cce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c01218669348c70eeb3dfd29921aab8d97872bab814e92f0121098a0d9cce56", kill_on_drop: false }`
[INFO] [stdout] 9c01218669348c70eeb3dfd29921aab8d97872bab814e92f0121098a0d9cce56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a56a88a02740a19c03669bbc099808b25f7b0a895b98b24468ef8757b7a9a6d
[INFO] running `Command { std: "docker" "start" "-a" "8a56a88a02740a19c03669bbc099808b25f7b0a895b98b24468ef8757b7a9a6d", kill_on_drop: false }`
[INFO] [stderr] warning: variable `n` is assigned to, but never used
[INFO] [stderr]    --> src/words/wordsearch.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut n = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_n` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `face_detection` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `av`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let av = vec![6532, 1358, 6495, 9024, 6149, 2628, 931, 551, 1369, 4810, 71, 6853, 5560, 2916, 1295, 7578, 4909, 2333, 5579, 4151, 187...
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_av`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LeColoris` should have a snake case name
[INFO] [stderr]    --> src/main.rs:157:29
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let mut LeColoris = 0;
[INFO] [stderr]     |                             ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LeColoris` should have a snake case name
[INFO] [stderr]    --> src/main.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 | ...                   let mut LeColoris = 0;
[INFO] [stderr]     |                               ^^^^^^^^^ help: convert the identifier to snake case: `le_coloris`
[INFO] [stderr] 
[INFO] [stderr] warning: `face_detection` (bin "face_detection" test) generated 3 warnings
[INFO] [stderr] warning: `face_detection` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wl-clipboard-rs v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/face_detection-aa9e4c6d6ec39aad)
[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/face_detection-95a4a95f8ac1acc0)
[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]    Doc-tests face_detection
[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" "8a56a88a02740a19c03669bbc099808b25f7b0a895b98b24468ef8757b7a9a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a56a88a02740a19c03669bbc099808b25f7b0a895b98b24468ef8757b7a9a6d", kill_on_drop: false }`
[INFO] [stdout] 8a56a88a02740a19c03669bbc099808b25f7b0a895b98b24468ef8757b7a9a6d