[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmplanchard%2Fcombinations" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mplanchard/combinations on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb7685e5a72c8bc383a02d93d478e9bc2647a2fedecec2b9cd5795fef2fc8c10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "eb7685e5a72c8bc383a02d93d478e9bc2647a2fedecec2b9cd5795fef2fc8c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb7685e5a72c8bc383a02d93d478e9bc2647a2fedecec2b9cd5795fef2fc8c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb7685e5a72c8bc383a02d93d478e9bc2647a2fedecec2b9cd5795fef2fc8c10", kill_on_drop: false }` [INFO] [stdout] eb7685e5a72c8bc383a02d93d478e9bc2647a2fedecec2b9cd5795fef2fc8c10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd6c2abbfecc8c6ec45c0e82206a9af8e31bb49ad738525277d4f379b37dfdad [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd6c2abbfecc8c6ec45c0e82206a9af8e31bb49ad738525277d4f379b37dfdad", kill_on_drop: false }` [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-rational v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling lazy_static v1.2.0 [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 8.87s [INFO] running `Command { std: "docker" "inspect" "bd6c2abbfecc8c6ec45c0e82206a9af8e31bb49ad738525277d4f379b37dfdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd6c2abbfecc8c6ec45c0e82206a9af8e31bb49ad738525277d4f379b37dfdad", kill_on_drop: false }` [INFO] [stdout] bd6c2abbfecc8c6ec45c0e82206a9af8e31bb49ad738525277d4f379b37dfdad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 832c8a5f5acf3c1cb5ae9530dc88fe8245423fd52f96beba55be97f56393d0e0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "832c8a5f5acf3c1cb5ae9530dc88fe8245423fd52f96beba55be97f56393d0e0", kill_on_drop: false }` [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "832c8a5f5acf3c1cb5ae9530dc88fe8245423fd52f96beba55be97f56393d0e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "832c8a5f5acf3c1cb5ae9530dc88fe8245423fd52f96beba55be97f56393d0e0", kill_on_drop: false }` [INFO] [stdout] 832c8a5f5acf3c1cb5ae9530dc88fe8245423fd52f96beba55be97f56393d0e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c6084a708ae7ebc0c138286d768367a30bae901c1f3c65e780bd2325683e0d18 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c6084a708ae7ebc0c138286d768367a30bae901c1f3c65e780bd2325683e0d18", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::slice` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 6 | use std::slice; [INFO] [stdout] [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: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/combinations-aced943f74f22b05) [INFO] running `Command { std: "docker" "inspect" "c6084a708ae7ebc0c138286d768367a30bae901c1f3c65e780bd2325683e0d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6084a708ae7ebc0c138286d768367a30bae901c1f3c65e780bd2325683e0d18", kill_on_drop: false }` [INFO] [stdout] c6084a708ae7ebc0c138286d768367a30bae901c1f3c65e780bd2325683e0d18