[INFO] cloning repository https://github.com/mplanchard/combinations [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mplanchard/combinations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmplanchard%2Fcombinations", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmplanchard%2Fcombinations'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f5168b543d93ebab3848de11af6ddde30027461d [INFO] testing mplanchard/combinations against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmplanchard%2Fcombinations" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mplanchard/combinations on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mplanchard/combinations [INFO] finished tweaking git repo https://github.com/mplanchard/combinations [INFO] tweaked toml for git repo https://github.com/mplanchard/combinations written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/mplanchard/combinations already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea05077ffd1d671e45e74d64698230fd89a6dcc7a86db72be757e4643e21c0d3 [INFO] running `Command { std: "docker" "start" "-a" "ea05077ffd1d671e45e74d64698230fd89a6dcc7a86db72be757e4643e21c0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea05077ffd1d671e45e74d64698230fd89a6dcc7a86db72be757e4643e21c0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea05077ffd1d671e45e74d64698230fd89a6dcc7a86db72be757e4643e21c0d3", kill_on_drop: false }` [INFO] [stdout] ea05077ffd1d671e45e74d64698230fd89a6dcc7a86db72be757e4643e21c0d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8526ca448e356de913f117b3f6ee2306aa853c0153c364756cd49a53602308bf [INFO] running `Command { std: "docker" "start" "-a" "8526ca448e356de913f117b3f6ee2306aa853c0153c364756cd49a53602308bf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling combinations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::slice` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::slice; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice_one` [INFO] [stdout] --> src/main.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | let slice_one: &[i32] = &[1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_one` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice_two` [INFO] [stdout] --> src/main.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let slice_two: &[i32] = &[3, 4]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `num_combinations` [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn print(thing: T) -> T{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.93s [INFO] running `Command { std: "docker" "inspect" "8526ca448e356de913f117b3f6ee2306aa853c0153c364756cd49a53602308bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8526ca448e356de913f117b3f6ee2306aa853c0153c364756cd49a53602308bf", kill_on_drop: false }` [INFO] [stdout] 8526ca448e356de913f117b3f6ee2306aa853c0153c364756cd49a53602308bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a17d21f837119b0cffedc1065a2a4b476984401ff460c70582dfb26c0f167ae9 [INFO] running `Command { std: "docker" "start" "-a" "a17d21f837119b0cffedc1065a2a4b476984401ff460c70582dfb26c0f167ae9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling combinations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::slice` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::slice; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice_one` [INFO] [stdout] --> src/main.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | let slice_one: &[i32] = &[1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_one` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice_two` [INFO] [stdout] --> src/main.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let slice_two: &[i32] = &[3, 4]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `num_combinations` [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn print(thing: T) -> T{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.09s [INFO] running `Command { std: "docker" "inspect" "a17d21f837119b0cffedc1065a2a4b476984401ff460c70582dfb26c0f167ae9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a17d21f837119b0cffedc1065a2a4b476984401ff460c70582dfb26c0f167ae9", kill_on_drop: false }` [INFO] [stdout] a17d21f837119b0cffedc1065a2a4b476984401ff460c70582dfb26c0f167ae9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b4d58cf71129af7aeee4640d08e4a8f9602a080ffa1bd12f79d8a75d24b7e5a7 [INFO] running `Command { std: "docker" "start" "-a" "b4d58cf71129af7aeee4640d08e4a8f9602a080ffa1bd12f79d8a75d24b7e5a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::slice` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::slice; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `slice_one` [INFO] [stderr] --> src/main.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | let slice_one: &[i32] = &[1, 2, 3, 4, 5]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_one` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `slice_two` [INFO] [stderr] --> src/main.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | let slice_two: &[i32] = &[3, 4]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice_two` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `num_combinations` [INFO] [stderr] --> src/main.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print` [INFO] [stderr] --> src/main.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn print(thing: T) -> T{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `combinations` (bin "combinations" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/combinations-11294c31e15a086c) [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" "b4d58cf71129af7aeee4640d08e4a8f9602a080ffa1bd12f79d8a75d24b7e5a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4d58cf71129af7aeee4640d08e4a8f9602a080ffa1bd12f79d8a75d24b7e5a7", kill_on_drop: false }` [INFO] [stdout] b4d58cf71129af7aeee4640d08e4a8f9602a080ffa1bd12f79d8a75d24b7e5a7