[INFO] cloning repository https://github.com/GroupTheorist12/permutation_operations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GroupTheorist12/permutation_operations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroupTheorist12%2Fpermutation_operations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroupTheorist12%2Fpermutation_operations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e27d57023188888c8c64a82cb287ea2a6f37665c
[INFO] testing GroupTheorist12/permutation_operations against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroupTheorist12%2Fpermutation_operations" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GroupTheorist12/permutation_operations on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GroupTheorist12/permutation_operations
[INFO] finished tweaking git repo https://github.com/GroupTheorist12/permutation_operations
[INFO] tweaked toml for git repo https://github.com/GroupTheorist12/permutation_operations written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GroupTheorist12/permutation_operations 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing GroupTheorist12/permutation_operations against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroupTheorist12%2Fpermutation_operations" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GroupTheorist12/permutation_operations on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GroupTheorist12/permutation_operations
[INFO] finished tweaking git repo https://github.com/GroupTheorist12/permutation_operations
[INFO] tweaked toml for git repo https://github.com/GroupTheorist12/permutation_operations written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GroupTheorist12/permutation_operations 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c6e4be9e46713cfc759067db6b7a928d33850a283a9959e1946996bcdff87fe
[INFO] running `Command { std: "docker" "start" "-a" "0c6e4be9e46713cfc759067db6b7a928d33850a283a9959e1946996bcdff87fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6e4be9e46713cfc759067db6b7a928d33850a283a9959e1946996bcdff87fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6e4be9e46713cfc759067db6b7a928d33850a283a9959e1946996bcdff87fe", kill_on_drop: false }`
[INFO] [stdout] 0c6e4be9e46713cfc759067db6b7a928d33850a283a9959e1946996bcdff87fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390846e7e57be2f3bb944d7b6f0c21f27a3033a27ac380bd62cddf4d0b960fa6
[INFO] running `Command { std: "docker" "start" "-a" "390846e7e57be2f3bb944d7b6f0c21f27a3033a27ac380bd62cddf4d0b960fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling permutation_operations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idn`
[INFO] [stdout]   --> src/perm_ops/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let idn = Permutation::new(v.clone(), v.clone());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_idn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2c`
[INFO] [stdout]    --> src/perm_ops/main.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let p2c = p2.clone();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_p2c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "390846e7e57be2f3bb944d7b6f0c21f27a3033a27ac380bd62cddf4d0b960fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390846e7e57be2f3bb944d7b6f0c21f27a3033a27ac380bd62cddf4d0b960fa6", kill_on_drop: false }`
[INFO] [stdout] 390846e7e57be2f3bb944d7b6f0c21f27a3033a27ac380bd62cddf4d0b960fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf614a1d9480ade73d100f367dff24b41c4247cb457a58777e073e5fa3ddd14
[INFO] running `Command { std: "docker" "start" "-a" "1bf614a1d9480ade73d100f367dff24b41c4247cb457a58777e073e5fa3ddd14", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutation_operations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idn`
[INFO] [stdout]   --> src/perm_ops/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let idn = Permutation::new(v.clone(), v.clone());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_idn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2c`
[INFO] [stdout]    --> src/perm_ops/main.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let p2c = p2.clone();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_p2c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "1bf614a1d9480ade73d100f367dff24b41c4247cb457a58777e073e5fa3ddd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf614a1d9480ade73d100f367dff24b41c4247cb457a58777e073e5fa3ddd14", kill_on_drop: false }`
[INFO] [stdout] 1bf614a1d9480ade73d100f367dff24b41c4247cb457a58777e073e5fa3ddd14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68b012dc1236b1e4645c8f87459ec149b9e0d895534eca4b1f7beb8e19082e16
[INFO] running `Command { std: "docker" "start" "-a" "68b012dc1236b1e4645c8f87459ec149b9e0d895534eca4b1f7beb8e19082e16", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `idn`
[INFO] [stderr]   --> src/perm_ops/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let idn = Permutation::new(v.clone(), v.clone());
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_idn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2c`
[INFO] [stderr]    --> src/perm_ops/main.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |     let p2c = p2.clone();
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_p2c`
[INFO] [stderr] 
[INFO] [stderr] warning: `permutation_operations` (bin "main" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/int_matrix_1.rs (/opt/rustwide/target/debug/deps/int_matrix_1-4cad63e1bce75c31)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/int_matrix_2.rs (/opt/rustwide/target/debug/deps/int_matrix_2-0cc95afe4e7ec24b)
[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] [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/perm_ops/main.rs (/opt/rustwide/target/debug/deps/main-d18b891f572ed22d)
[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/perm1.rs (/opt/rustwide/target/debug/deps/perm1-f0c3d1fa31cc81d6)
[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/perm2.rs (/opt/rustwide/target/debug/deps/perm2-93c9427428a456b9)
[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/perm3.rs (/opt/rustwide/target/debug/deps/perm3-04332a3cc620f7b2)
[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/perm_inverse.rs (/opt/rustwide/target/debug/deps/perm_inverse-d0f8c97e4469ecfc)
[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/perm_matrix_1.rs (/opt/rustwide/target/debug/deps/perm_matrix_1-87448b58b7f39f40)
[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/perm_prod.rs (/opt/rustwide/target/debug/deps/perm_prod-f6edb1b0b99c1355)
[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/perms_set_1.rs (/opt/rustwide/target/debug/deps/perms_set_1-9e0337ec7946b523)
[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" "68b012dc1236b1e4645c8f87459ec149b9e0d895534eca4b1f7beb8e19082e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b012dc1236b1e4645c8f87459ec149b9e0d895534eca4b1f7beb8e19082e16", kill_on_drop: false }`
[INFO] [stdout] 68b012dc1236b1e4645c8f87459ec149b9e0d895534eca4b1f7beb8e19082e16