[INFO] updating cached repository https://github.com/weirdan/rust-knight-tour
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a627aadcf9767a8ab59070953cfc16fbac12bae1
[INFO] testing weirdan/rust-knight-tour against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdan%2Frust-knight-tour" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weirdan/rust-knight-tour on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/weirdan/rust-knight-tour
[INFO] finished tweaking git repo https://github.com/weirdan/rust-knight-tour
[INFO] tweaked toml for git repo https://github.com/weirdan/rust-knight-tour written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/weirdan/rust-knight-tour already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] a491b0dd69dfa36b373a04f0cb30ba9dc5ccf84c2bf7d86f49dffbcd27f4dfad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a491b0dd69dfa36b373a04f0cb30ba9dc5ccf84c2bf7d86f49dffbcd27f4dfad"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling knights-tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `"docker" "inspect" "a491b0dd69dfa36b373a04f0cb30ba9dc5ccf84c2bf7d86f49dffbcd27f4dfad"`
[INFO] running `"docker" "rm" "-f" "a491b0dd69dfa36b373a04f0cb30ba9dc5ccf84c2bf7d86f49dffbcd27f4dfad"`
[INFO] [stdout] a491b0dd69dfa36b373a04f0cb30ba9dc5ccf84c2bf7d86f49dffbcd27f4dfad
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9bfaeb0fa4d3897b942af9e82c1891554188616ab5585b32ab1aed7a96cf01d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9bfaeb0fa4d3897b942af9e82c1891554188616ab5585b32ab1aed7a96cf01d7"`
[INFO] [stderr]    Compiling knights-tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "9bfaeb0fa4d3897b942af9e82c1891554188616ab5585b32ab1aed7a96cf01d7"`
[INFO] running `"docker" "rm" "-f" "9bfaeb0fa4d3897b942af9e82c1891554188616ab5585b32ab1aed7a96cf01d7"`
[INFO] [stdout] 9bfaeb0fa4d3897b942af9e82c1891554188616ab5585b32ab1aed7a96cf01d7
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd35da2ab2426e60abaef0129a1c600f991811b2192f7f89f8507b4cb3297686
[INFO] running `"docker" "start" "-a" "dd35da2ab2426e60abaef0129a1c600f991811b2192f7f89f8507b4cb3297686"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/knights_tour-9546699a2b0d0396
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::knight_in_top_left_corner_has_2_moves ... ok
[INFO] [stdout] test tests::knight_ignores_moves_to_visited_squares ... ok
[INFO] [stdout] test tests::knight_has_8_moves ... ok
[INFO] [stdout] test tests::knight_cannot_tour_on_3x3_board ... ok
[INFO] [stdout] test tests::knight_can_tour_on_6x6_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dd35da2ab2426e60abaef0129a1c600f991811b2192f7f89f8507b4cb3297686"`
[INFO] running `"docker" "rm" "-f" "dd35da2ab2426e60abaef0129a1c600f991811b2192f7f89f8507b4cb3297686"`
[INFO] [stdout] dd35da2ab2426e60abaef0129a1c600f991811b2192f7f89f8507b4cb3297686