[INFO] cloning repository https://github.com/Mcat12/backtrack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mcat12/backtrack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcat12%2Fbacktrack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcat12%2Fbacktrack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a37c73ecf8ae1343a37bfea66982263d88bb0e4 [INFO] testing Mcat12/backtrack against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcat12%2Fbacktrack" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mcat12/backtrack on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mcat12/backtrack [INFO] finished tweaking git repo https://github.com/Mcat12/backtrack [INFO] tweaked toml for git repo https://github.com/Mcat12/backtrack written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Mcat12/backtrack already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest v1.0.6 [INFO] [stderr] Downloaded criterion-stats v0.2.5 [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] [stderr] Downloaded csv v1.0.2 [INFO] [stderr] Downloaded serde_derive v1.0.81 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded term v0.5.1 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded serde v1.0.81 [INFO] [stderr] Downloaded handlebars v0.32.4 [INFO] [stderr] Downloaded criterion-plot v0.2.5 [INFO] [stderr] Downloaded criterion v0.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 831d59447f2467c555499fb6be0a7e05864a2fb35254d827753ab05c5cfdb898 [INFO] running `Command { std: "docker" "start" "-a" "831d59447f2467c555499fb6be0a7e05864a2fb35254d827753ab05c5cfdb898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "831d59447f2467c555499fb6be0a7e05864a2fb35254d827753ab05c5cfdb898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "831d59447f2467c555499fb6be0a7e05864a2fb35254d827753ab05c5cfdb898", kill_on_drop: false }` [INFO] [stdout] 831d59447f2467c555499fb6be0a7e05864a2fb35254d827753ab05c5cfdb898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ad489b5ac18a2301336d5782e4d1741e75e51a0c57f71f809227443a797d7ea [INFO] running `Command { std: "docker" "start" "-a" "0ad489b5ac18a2301336d5782e4d1741e75e51a0c57f71f809227443a797d7ea", kill_on_drop: false }` [INFO] [stderr] Compiling backtrack v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `Command { std: "docker" "inspect" "0ad489b5ac18a2301336d5782e4d1741e75e51a0c57f71f809227443a797d7ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ad489b5ac18a2301336d5782e4d1741e75e51a0c57f71f809227443a797d7ea", kill_on_drop: false }` [INFO] [stdout] 0ad489b5ac18a2301336d5782e4d1741e75e51a0c57f71f809227443a797d7ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68ca67b96b605cfedef0b3d451b02a838bfc64f411928c6c865d971a9ae0e8a1 [INFO] running `Command { std: "docker" "start" "-a" "68ca67b96b605cfedef0b3d451b02a838bfc64f411928c6c865d971a9ae0e8a1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.81 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling thread-scoped v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling itertools-num v0.1.3 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling term v0.5.1 [INFO] [stderr] Compiling criterion-plot v0.2.5 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling csv-core v0.1.4 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Compiling criterion-stats v0.2.5 [INFO] [stderr] Compiling simplelog v0.5.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling csv v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.81 [INFO] [stderr] Compiling handlebars v0.32.4 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling criterion v0.2.5 [INFO] [stderr] Compiling backtrack v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 49.38s [INFO] running `Command { std: "docker" "inspect" "68ca67b96b605cfedef0b3d451b02a838bfc64f411928c6c865d971a9ae0e8a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ca67b96b605cfedef0b3d451b02a838bfc64f411928c6c865d971a9ae0e8a1", kill_on_drop: false }` [INFO] [stdout] 68ca67b96b605cfedef0b3d451b02a838bfc64f411928c6c865d971a9ae0e8a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8e67509cb38256991c856d771c6179ac52591cd65621d8556df5bb3da7357aa8 [INFO] running `Command { std: "docker" "start" "-a" "8e67509cb38256991c856d771c6179ac52591cd65621d8556df5bb3da7357aa8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/backtrack-f650f30522c81ac3) [INFO] [stdout] test queen::tests::is_valid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/8queens-c384ba0309960410) [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/trunk_pack-395daf130e0ea415) [INFO] [stdout] [INFO] [stderr] Doc-tests backtrack [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" "8e67509cb38256991c856d771c6179ac52591cd65621d8556df5bb3da7357aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e67509cb38256991c856d771c6179ac52591cd65621d8556df5bb3da7357aa8", kill_on_drop: false }` [INFO] [stdout] 8e67509cb38256991c856d771c6179ac52591cd65621d8556df5bb3da7357aa8