[INFO] cloning repository https://github.com/brinchj/rust-sudoku-fun [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brinchj/rust-sudoku-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrinchj%2Frust-sudoku-fun", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrinchj%2Frust-sudoku-fun'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 849f6a4ac8d2168e7a273a5b1bbee70e6837cb2d [INFO] testing brinchj/rust-sudoku-fun against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrinchj%2Frust-sudoku-fun" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brinchj/rust-sudoku-fun on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brinchj/rust-sudoku-fun [INFO] finished tweaking git repo https://github.com/brinchj/rust-sudoku-fun [INFO] tweaked toml for git repo https://github.com/brinchj/rust-sudoku-fun written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/brinchj/rust-sudoku-fun already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e7933ee6cacbc19f0ca0d466da3d324a4702eee3f878d2705a9eaca3b5b8041a [INFO] running `Command { std: "docker" "start" "-a" "e7933ee6cacbc19f0ca0d466da3d324a4702eee3f878d2705a9eaca3b5b8041a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7933ee6cacbc19f0ca0d466da3d324a4702eee3f878d2705a9eaca3b5b8041a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7933ee6cacbc19f0ca0d466da3d324a4702eee3f878d2705a9eaca3b5b8041a", kill_on_drop: false }` [INFO] [stdout] e7933ee6cacbc19f0ca0d466da3d324a4702eee3f878d2705a9eaca3b5b8041a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ac5defd5ba87021f0b503e607aabc101be1f744235f8a7d3ac0c71744e74acc9 [INFO] running `Command { std: "docker" "start" "-a" "ac5defd5ba87021f0b503e607aabc101be1f744235f8a7d3ac0c71744e74acc9", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling debug-builders v0.1.0 [INFO] [stderr] Compiling debugtrace v0.1.0 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling rustc-demangle v0.1.8 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling either v0.1.7 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling conv v0.3.3 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Compiling im v10.2.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling backtrace v0.1.8 [INFO] [stderr] Compiling backtrace v0.3.8 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling chomp v0.3.1 [INFO] [stderr] Compiling sudokusolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_step_by)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_step_by)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.69s [INFO] running `Command { std: "docker" "inspect" "ac5defd5ba87021f0b503e607aabc101be1f744235f8a7d3ac0c71744e74acc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac5defd5ba87021f0b503e607aabc101be1f744235f8a7d3ac0c71744e74acc9", kill_on_drop: false }` [INFO] [stdout] ac5defd5ba87021f0b503e607aabc101be1f744235f8a7d3ac0c71744e74acc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cdcf41694e848a03b46c0e3626601c016c610e9a7961f47fb16161b50cfdc0f [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" "6cdcf41694e848a03b46c0e3626601c016c610e9a7961f47fb16161b50cfdc0f", kill_on_drop: false }` [INFO] [stderr] Compiling sudokusolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_step_by)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_step_by)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_step_by)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "6cdcf41694e848a03b46c0e3626601c016c610e9a7961f47fb16161b50cfdc0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cdcf41694e848a03b46c0e3626601c016c610e9a7961f47fb16161b50cfdc0f", kill_on_drop: false }` [INFO] [stdout] 6cdcf41694e848a03b46c0e3626601c016c610e9a7961f47fb16161b50cfdc0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e68d2e51d9acc465bbd555ed393641d188367fe26b74b85791abf04a3aa17727 [INFO] running `Command { std: "docker" "start" "-a" "e68d2e51d9acc465bbd555ed393641d188367fe26b74b85791abf04a3aa17727", kill_on_drop: false }` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `sudokusolver` (lib) generated 2 warnings [INFO] [stderr] warning: `sudokusolver` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `sudokusolver` (bin "sudokusolver" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudokusolver-11fa9c24cef008dc) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudokusolver-aa1e2f269b58ab1c) [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 sudokusolver [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] [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" "e68d2e51d9acc465bbd555ed393641d188367fe26b74b85791abf04a3aa17727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e68d2e51d9acc465bbd555ed393641d188367fe26b74b85791abf04a3aa17727", kill_on_drop: false }` [INFO] [stdout] e68d2e51d9acc465bbd555ed393641d188367fe26b74b85791abf04a3aa17727