[INFO] cloning repository https://github.com/robdimsdale/wordsquare [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robdimsdale/wordsquare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fwordsquare", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fwordsquare'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a5bb9681c3228f4219e6779a9069374575179ad [INFO] testing robdimsdale/wordsquare against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fwordsquare" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robdimsdale/wordsquare on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robdimsdale/wordsquare [INFO] finished tweaking git repo https://github.com/robdimsdale/wordsquare [INFO] tweaked toml for git repo https://github.com/robdimsdale/wordsquare written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/robdimsdale/wordsquare already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f9fa4c8ba5b01863c915cb6225561c4ba4f7c1e8b8da43f9e3d3cd2b226ca32 [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" "5f9fa4c8ba5b01863c915cb6225561c4ba4f7c1e8b8da43f9e3d3cd2b226ca32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f9fa4c8ba5b01863c915cb6225561c4ba4f7c1e8b8da43f9e3d3cd2b226ca32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f9fa4c8ba5b01863c915cb6225561c4ba4f7c1e8b8da43f9e3d3cd2b226ca32", kill_on_drop: false }` [INFO] [stdout] 5f9fa4c8ba5b01863c915cb6225561c4ba4f7c1e8b8da43f9e3d3cd2b226ca32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d92c1810be14c2bde2d8af6c0920f8b716bf6b8956b60b693bc174bdd1e9666 [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" "5d92c1810be14c2bde2d8af6c0920f8b716bf6b8956b60b693bc174bdd1e9666", kill_on_drop: false }` [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling wordsearch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:137:41 [INFO] [stdout] | [INFO] [stdout] 137 | row.clone().into_iter().intersperse(' ').collect::() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.07s [INFO] running `Command { std: "docker" "inspect" "5d92c1810be14c2bde2d8af6c0920f8b716bf6b8956b60b693bc174bdd1e9666", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d92c1810be14c2bde2d8af6c0920f8b716bf6b8956b60b693bc174bdd1e9666", kill_on_drop: false }` [INFO] [stdout] 5d92c1810be14c2bde2d8af6c0920f8b716bf6b8956b60b693bc174bdd1e9666 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3eefd7c619c7f79b1184bbcb6b33772a00ff8ee1c77d766f64e31ab0bfb9e9af [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" "3eefd7c619c7f79b1184bbcb6b33772a00ff8ee1c77d766f64e31ab0bfb9e9af", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:137:41 [INFO] [stdout] | [INFO] [stdout] 137 | row.clone().into_iter().intersperse(' ').collect::() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling wordsearch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:137:41 [INFO] [stdout] | [INFO] [stdout] 137 | row.clone().into_iter().intersperse(' ').collect::() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 46.97s [INFO] running `Command { std: "docker" "inspect" "3eefd7c619c7f79b1184bbcb6b33772a00ff8ee1c77d766f64e31ab0bfb9e9af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eefd7c619c7f79b1184bbcb6b33772a00ff8ee1c77d766f64e31ab0bfb9e9af", kill_on_drop: false }` [INFO] [stdout] 3eefd7c619c7f79b1184bbcb6b33772a00ff8ee1c77d766f64e31ab0bfb9e9af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 43b189f642a45ffa8f090b7b4e6cff555e0336ca6cb8f2f979e0a250c3ab9ca0 [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" "43b189f642a45ffa8f090b7b4e6cff555e0336ca6cb8f2f979e0a250c3ab9ca0", kill_on_drop: false }` [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:137:41 [INFO] [stderr] | [INFO] [stderr] 137 | row.clone().into_iter().intersperse(' ').collect::() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: `wordsearch` (lib) generated 1 warning [INFO] [stderr] warning: `wordsearch` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wordsearch-a190d7c9c6bb6219) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::test_create_2x2 ... ok [INFO] [stdout] test tests::test_grid_cells_remaining_in_direction ... ok [INFO] [stdout] test tests::test_solve_grid_reverse_hash_first_letter ... ok [INFO] [stdout] test tests::test_solve_grid_naive_hash_first_letter ... ok [INFO] [stdout] test tests::test_solve_grid_reverse_hash_first_two_letters ... ok [INFO] [stdout] test tests::test_solve_grid_reverse ... ok [INFO] [stdout] test tests::test_solve_grid_naive ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wordsearch-354faa7e9a6bc69c) [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 tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-bb4e67274272febc) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_solve_grid ... ok [INFO] [stdout] test test_generate_grid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] Doc-tests wordsearch [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" "43b189f642a45ffa8f090b7b4e6cff555e0336ca6cb8f2f979e0a250c3ab9ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b189f642a45ffa8f090b7b4e6cff555e0336ca6cb8f2f979e0a250c3ab9ca0", kill_on_drop: false }` [INFO] [stdout] 43b189f642a45ffa8f090b7b4e6cff555e0336ca6cb8f2f979e0a250c3ab9ca0