[INFO] cloning repository https://github.com/alvarogonzalezsotillo/pruebas-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvarogonzalezsotillo/pruebas-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarogonzalezsotillo%2Fpruebas-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarogonzalezsotillo%2Fpruebas-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b3890c9b4bbf03d603a96a22a1dd966d9b085ed
[INFO] checking alvarogonzalezsotillo/pruebas-rust/6b3890c9b4bbf03d603a96a22a1dd966d9b085ed against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarogonzalezsotillo%2Fpruebas-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvarogonzalezsotillo/pruebas-rust on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvarogonzalezsotillo/pruebas-rust
[INFO] finished tweaking git repo https://github.com/alvarogonzalezsotillo/pruebas-rust
[INFO] tweaked toml for git repo https://github.com/alvarogonzalezsotillo/pruebas-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alvarogonzalezsotillo/pruebas-rust 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_timeout v0.7.5
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.5
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.5
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded ntest v0.7.5
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 203cc93ab2515fa994243b17e946cd7d9b97a7c3101ac50906dea015842e82a1
[INFO] running `Command { std: "docker" "start" "-a" "203cc93ab2515fa994243b17e946cd7d9b97a7c3101ac50906dea015842e82a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203cc93ab2515fa994243b17e946cd7d9b97a7c3101ac50906dea015842e82a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203cc93ab2515fa994243b17e946cd7d9b97a7c3101ac50906dea015842e82a1", kill_on_drop: false }`
[INFO] [stdout] 203cc93ab2515fa994243b17e946cd7d9b97a7c3101ac50906dea015842e82a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d1e5dc29a5c75422602261bf27d46f2a3d0ebdd60cc9ffd832a7f344b720c2
[INFO] running `Command { std: "docker" "start" "-a" "27d1e5dc29a5c75422602261bf27d46f2a3d0ebdd60cc9ffd832a7f344b720c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.5
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pruebas-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_fixed_piece_id`
[INFO] [stdout]    --> src/crossteaser/crossteaser_search.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let is_fixed_piece_id = self.fixed_piece_ids.contains(&board.piece_id_from_index(i));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_fixed_piece_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling ntest_test_cases v0.7.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling ntest_timeout v0.7.5
[INFO] [stderr]     Checking ntest v0.7.5
[INFO] [stdout] warning: unused variable: `is_fixed_piece_id`
[INFO] [stdout]    --> src/crossteaser/crossteaser_search.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let is_fixed_piece_id = self.fixed_piece_ids.contains(&board.piece_id_from_index(i));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_fixed_piece_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.74s
[INFO] running `Command { std: "docker" "inspect" "27d1e5dc29a5c75422602261bf27d46f2a3d0ebdd60cc9ffd832a7f344b720c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d1e5dc29a5c75422602261bf27d46f2a3d0ebdd60cc9ffd832a7f344b720c2", kill_on_drop: false }`
[INFO] [stdout] 27d1e5dc29a5c75422602261bf27d46f2a3d0ebdd60cc9ffd832a7f344b720c2