[INFO] cloning repository https://github.com/7omb/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7omb/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 048ee87e6b121ad488d265cb6255154941bb4cfc [INFO] testing 7omb/sudoku against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/7omb/sudoku on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/7omb/sudoku [INFO] finished tweaking git repo https://github.com/7omb/sudoku [INFO] tweaked toml for git repo https://github.com/7omb/sudoku written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/7omb/sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cf1ffe2db270c938f9d1ea9294d13b3640538fb68f994aa544f678bac244994 [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" "7cf1ffe2db270c938f9d1ea9294d13b3640538fb68f994aa544f678bac244994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cf1ffe2db270c938f9d1ea9294d13b3640538fb68f994aa544f678bac244994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf1ffe2db270c938f9d1ea9294d13b3640538fb68f994aa544f678bac244994", kill_on_drop: false }` [INFO] [stdout] 7cf1ffe2db270c938f9d1ea9294d13b3640538fb68f994aa544f678bac244994 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c5ee05d96b69c85f5fd536368a6e90d6d691ee1f25146c3dd787ce1a0aaa483 [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" "8c5ee05d96b69c85f5fd536368a6e90d6d691ee1f25146c3dd787ce1a0aaa483", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling varisat-formula v0.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling leb128 v0.2.4 [INFO] [stderr] Compiling vec_mut_scan v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling partial_ref_derive v0.3.1 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Compiling partial_ref v0.3.1 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling varisat-dimacs v0.2.1 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Compiling varisat-checker v0.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.68s [INFO] running `Command { std: "docker" "inspect" "8c5ee05d96b69c85f5fd536368a6e90d6d691ee1f25146c3dd787ce1a0aaa483", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c5ee05d96b69c85f5fd536368a6e90d6d691ee1f25146c3dd787ce1a0aaa483", kill_on_drop: false }` [INFO] [stdout] 8c5ee05d96b69c85f5fd536368a6e90d6d691ee1f25146c3dd787ce1a0aaa483 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] 5b8de574db22392f9d1f9b018f83de68cfe06c19906118c41d90a5a530d715c6 [INFO] running `Command { std: "docker" "start" "-a" "5b8de574db22392f9d1f9b018f83de68cfe06c19906118c41d90a5a530d715c6", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling bstr v0.2.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling rand_xoshiro v0.3.1 [INFO] [stderr] Compiling rand_os v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling criterion-plot v0.4.0 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling criterion v0.3.0 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 31.81s [INFO] running `Command { std: "docker" "inspect" "5b8de574db22392f9d1f9b018f83de68cfe06c19906118c41d90a5a530d715c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b8de574db22392f9d1f9b018f83de68cfe06c19906118c41d90a5a530d715c6", kill_on_drop: false }` [INFO] [stdout] 5b8de574db22392f9d1f9b018f83de68cfe06c19906118c41d90a5a530d715c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 5c03e426eb5ba398edd3b6c57d44e13f45eee451f00f96420e68fdf1cf588663 [INFO] running `Command { std: "docker" "start" "-a" "5c03e426eb5ba398edd3b6c57d44e13f45eee451f00f96420e68fdf1cf588663", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku-a5f88ab872065711) [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 (/opt/rustwide/target/debug/deps/main-8f8a916ecff8c949) [INFO] [stdout] [INFO] [stderr] Running tests/95_hard_sudokus.rs (/opt/rustwide/target/debug/deps/95_hard_sudokus-2aedcd02deddfe6c) [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 1 test [INFO] [stdout] test tests ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.50s [INFO] [stdout] [INFO] [stderr] Doc-tests sudoku [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" "5c03e426eb5ba398edd3b6c57d44e13f45eee451f00f96420e68fdf1cf588663", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c03e426eb5ba398edd3b6c57d44e13f45eee451f00f96420e68fdf1cf588663", kill_on_drop: false }` [INFO] [stdout] 5c03e426eb5ba398edd3b6c57d44e13f45eee451f00f96420e68fdf1cf588663