[INFO] cloning repository https://github.com/krixon/knights-tour-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krixon/knights-tour-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrixon%2Fknights-tour-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrixon%2Fknights-tour-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cc5756bff781871a102a765ec74a3ea0f5bc3b6
[INFO] testing krixon/knights-tour-rs against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrixon%2Fknights-tour-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krixon/knights-tour-rs on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krixon/knights-tour-rs
[INFO] finished tweaking git repo https://github.com/krixon/knights-tour-rs
[INFO] tweaked toml for git repo https://github.com/krixon/knights-tour-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/krixon/knights-tour-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 6f23c0b0495dd65b17fd6e0229808c35d8939fae6b3b84d4cc47874e4a5a0da3
[INFO] running `Command { std: "docker" "start" "-a" "6f23c0b0495dd65b17fd6e0229808c35d8939fae6b3b84d4cc47874e4a5a0da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f23c0b0495dd65b17fd6e0229808c35d8939fae6b3b84d4cc47874e4a5a0da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f23c0b0495dd65b17fd6e0229808c35d8939fae6b3b84d4cc47874e4a5a0da3", kill_on_drop: false }`
[INFO] [stdout] 6f23c0b0495dd65b17fd6e0229808c35d8939fae6b3b84d4cc47874e4a5a0da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] d4035ae7f6082d645cdee7fa44a219e02c1624315898521f032d97fa5839b1f9
[INFO] running `Command { std: "docker" "start" "-a" "d4035ae7f6082d645cdee7fa44a219e02c1624315898521f032d97fa5839b1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling knights_tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "d4035ae7f6082d645cdee7fa44a219e02c1624315898521f032d97fa5839b1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4035ae7f6082d645cdee7fa44a219e02c1624315898521f032d97fa5839b1f9", kill_on_drop: false }`
[INFO] [stdout] d4035ae7f6082d645cdee7fa44a219e02c1624315898521f032d97fa5839b1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9ee26353f1324dd258a1cd7ef2d3d348df1a5908a7b05230877a2e996e3714
[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" "fd9ee26353f1324dd258a1cd7ef2d3d348df1a5908a7b05230877a2e996e3714", kill_on_drop: false }`
[INFO] [stderr]    Compiling knights_tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "fd9ee26353f1324dd258a1cd7ef2d3d348df1a5908a7b05230877a2e996e3714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9ee26353f1324dd258a1cd7ef2d3d348df1a5908a7b05230877a2e996e3714", kill_on_drop: false }`
[INFO] [stdout] fd9ee26353f1324dd258a1cd7ef2d3d348df1a5908a7b05230877a2e996e3714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ea16243192a47edc3b1f1fe5810f2649412cd84662b48a41d74246d8648e40d
[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" "5ea16243192a47edc3b1f1fe5810f2649412cd84662b48a41d74246d8648e40d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/knights_tour-95a50d466fa1a896
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ea16243192a47edc3b1f1fe5810f2649412cd84662b48a41d74246d8648e40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea16243192a47edc3b1f1fe5810f2649412cd84662b48a41d74246d8648e40d", kill_on_drop: false }`
[INFO] [stdout] 5ea16243192a47edc3b1f1fe5810f2649412cd84662b48a41d74246d8648e40d