[INFO] cloning repository https://github.com/asllop/tref
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asllop/tref" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasllop%2Ftref", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasllop%2Ftref'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f906b404b0ba5413d23fb230719845b712b5e21f
[INFO] testing asllop/tref against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasllop%2Ftref" "/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/asllop/tref 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/asllop/tref
[INFO] finished tweaking git repo https://github.com/asllop/tref
[INFO] tweaked toml for git repo https://github.com/asllop/tref written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/asllop/tref 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 266f0218317a03fdcf6afd68402b73cd8cfeec36354e931b415a8f0ddd6d1db2
[INFO] running `Command { std: "docker" "start" "-a" "266f0218317a03fdcf6afd68402b73cd8cfeec36354e931b415a8f0ddd6d1db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266f0218317a03fdcf6afd68402b73cd8cfeec36354e931b415a8f0ddd6d1db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266f0218317a03fdcf6afd68402b73cd8cfeec36354e931b415a8f0ddd6d1db2", kill_on_drop: false }`
[INFO] [stdout] 266f0218317a03fdcf6afd68402b73cd8cfeec36354e931b415a8f0ddd6d1db2
[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=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] 8dd20042fad5740aba74b60758cb76a5d24e163f444ec37f3f3ab4fc3701b6ef
[INFO] running `Command { std: "docker" "start" "-a" "8dd20042fad5740aba74b60758cb76a5d24e163f444ec37f3f3ab4fc3701b6ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling tref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `Command { std: "docker" "inspect" "8dd20042fad5740aba74b60758cb76a5d24e163f444ec37f3f3ab4fc3701b6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd20042fad5740aba74b60758cb76a5d24e163f444ec37f3f3ab4fc3701b6ef", kill_on_drop: false }`
[INFO] [stdout] 8dd20042fad5740aba74b60758cb76a5d24e163f444ec37f3f3ab4fc3701b6ef
[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=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] 3e25b1ec25f05e4fb1df8c980b791cfb65c1bf4c707afd9243ba3e4978487d48
[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" "3e25b1ec25f05e4fb1df8c980b791cfb65c1bf4c707afd9243ba3e4978487d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling tref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "3e25b1ec25f05e4fb1df8c980b791cfb65c1bf4c707afd9243ba3e4978487d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e25b1ec25f05e4fb1df8c980b791cfb65c1bf4c707afd9243ba3e4978487d48", kill_on_drop: false }`
[INFO] [stdout] 3e25b1ec25f05e4fb1df8c980b791cfb65c1bf4c707afd9243ba3e4978487d48
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffc3f3e64bb3aefe4710341472189f5c9bcc5bb10e3ee8a4398167f0ce44101d
[INFO] running `Command { std: "docker" "start" "-a" "ffc3f3e64bb3aefe4710341472189f5c9bcc5bb10e3ee8a4398167f0ce44101d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tref-ef13e523640542e8)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::check_generate ... ok
[INFO] [stdout] test tests::check_find_node ... ok
[INFO] [stdout] test tests::check_dialect ... ok
[INFO] [stdout] test tests::check_bfs_iter ... ok
[INFO] [stdout] test tests::check_dialect_enum ... ok
[INFO] [stdout] test tests::check_modify_tree ... ok
[INFO] [stdout] test tests::check_forest_integrity ... ok
[INFO] [stdout] test tests::check_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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/tref-b423d23cdb4da7f2)
[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" "ffc3f3e64bb3aefe4710341472189f5c9bcc5bb10e3ee8a4398167f0ce44101d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc3f3e64bb3aefe4710341472189f5c9bcc5bb10e3ee8a4398167f0ce44101d", kill_on_drop: false }`
[INFO] [stdout] ffc3f3e64bb3aefe4710341472189f5c9bcc5bb10e3ee8a4398167f0ce44101d