[INFO] cloning repository https://github.com/matsueushi/pfds-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matsueushi/pfds-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e09e80293a2bb4d2c7e20365d6c6cd34465284c5
[INFO] testing matsueushi/pfds-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matsueushi/pfds-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matsueushi/pfds-rust
[INFO] finished tweaking git repo https://github.com/matsueushi/pfds-rust
[INFO] tweaked toml for git repo https://github.com/matsueushi/pfds-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/matsueushi/pfds-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c8002839707499922e61f7c05d546a04487baf3e896d2a6557b1711ee30352
[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" "d4c8002839707499922e61f7c05d546a04487baf3e896d2a6557b1711ee30352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c8002839707499922e61f7c05d546a04487baf3e896d2a6557b1711ee30352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c8002839707499922e61f7c05d546a04487baf3e896d2a6557b1711ee30352", kill_on_drop: false }`
[INFO] [stdout] d4c8002839707499922e61f7c05d546a04487baf3e896d2a6557b1711ee30352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 8be0422ffa3a6e47de4fe5d5a77858acbf61c0421f418815263dba7de528a093
[INFO] running `Command { std: "docker" "start" "-a" "8be0422ffa3a6e47de4fe5d5a77858acbf61c0421f418815263dba7de528a093", kill_on_drop: false }`
[INFO] [stderr]    Compiling pfds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "8be0422ffa3a6e47de4fe5d5a77858acbf61c0421f418815263dba7de528a093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be0422ffa3a6e47de4fe5d5a77858acbf61c0421f418815263dba7de528a093", kill_on_drop: false }`
[INFO] [stdout] 8be0422ffa3a6e47de4fe5d5a77858acbf61c0421f418815263dba7de528a093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1932c77433d6fe01bc106c4f3d7de873bd385fb4808bab431cd84960ddf7e6bc
[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" "1932c77433d6fe01bc106c4f3d7de873bd385fb4808bab431cd84960ddf7e6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pfds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1932c77433d6fe01bc106c4f3d7de873bd385fb4808bab431cd84960ddf7e6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1932c77433d6fe01bc106c4f3d7de873bd385fb4808bab431cd84960ddf7e6bc", kill_on_drop: false }`
[INFO] [stdout] 1932c77433d6fe01bc106c4f3d7de873bd385fb4808bab431cd84960ddf7e6bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92ef9ece84204a6131f0861ff785659c49d576e63973ade9d6f80569c056217f
[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" "92ef9ece84204a6131f0861ff785659c49d576e63973ade9d6f80569c056217f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pfds-c41e99c50442d706)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test stack::tests::custom_stack_test ... ok
[INFO] [stderr]    Doc-tests pfds
[INFO] [stdout] test heap::test::heap_test ... ok
[INFO] [stdout] test tree::tests::tree_test ... ok
[INFO] [stdout] test tree::tests::complete_test ... ok
[INFO] [stdout] test stack::tests::linked_list_stack_test ... ok
[INFO] [stdout] test treemap::tests::treemap_test ... ok
[INFO] [stdout] test excercise2_1::suffixes_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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" "92ef9ece84204a6131f0861ff785659c49d576e63973ade9d6f80569c056217f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ef9ece84204a6131f0861ff785659c49d576e63973ade9d6f80569c056217f", kill_on_drop: false }`
[INFO] [stdout] 92ef9ece84204a6131f0861ff785659c49d576e63973ade9d6f80569c056217f