[INFO] fetching crate discrimination-tree 0.2.1...
[INFO] testing discrimination-tree-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate discrimination-tree 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate discrimination-tree 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrimination-tree 0.2.1
[INFO] finished tweaking crates.io crate discrimination-tree 0.2.1
[INFO] tweaked toml for crates.io crate discrimination-tree 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9193d844dddd40ef5cffbe9c0141df76b43bcc2eb6e2e0628a499aa81eb58a7
[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" "e9193d844dddd40ef5cffbe9c0141df76b43bcc2eb6e2e0628a499aa81eb58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9193d844dddd40ef5cffbe9c0141df76b43bcc2eb6e2e0628a499aa81eb58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9193d844dddd40ef5cffbe9c0141df76b43bcc2eb6e2e0628a499aa81eb58a7", kill_on_drop: false }`
[INFO] [stdout] e9193d844dddd40ef5cffbe9c0141df76b43bcc2eb6e2e0628a499aa81eb58a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 88af592881e68c686c9b8549f50151ceeb7ec9eb223205daeccca76ed8588c93
[INFO] running `Command { std: "docker" "start" "-a" "88af592881e68c686c9b8549f50151ceeb7ec9eb223205daeccca76ed8588c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling discrimination-tree v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "88af592881e68c686c9b8549f50151ceeb7ec9eb223205daeccca76ed8588c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88af592881e68c686c9b8549f50151ceeb7ec9eb223205daeccca76ed8588c93", kill_on_drop: false }`
[INFO] [stdout] 88af592881e68c686c9b8549f50151ceeb7ec9eb223205daeccca76ed8588c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c42af5813e1f8a4972115946ff62ecc77b1203acafdc39827d872b720252f4d
[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" "9c42af5813e1f8a4972115946ff62ecc77b1203acafdc39827d872b720252f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling discrimination-tree v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "9c42af5813e1f8a4972115946ff62ecc77b1203acafdc39827d872b720252f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c42af5813e1f8a4972115946ff62ecc77b1203acafdc39827d872b720252f4d", kill_on_drop: false }`
[INFO] [stdout] 9c42af5813e1f8a4972115946ff62ecc77b1203acafdc39827d872b720252f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf661802a6149b8a2426351767ed1e42e5b226b5d14231335df117a9d690e3b0
[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" "bf661802a6149b8a2426351767ed1e42e5b226b5d14231335df117a9d690e3b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/discrimination_tree-d0e0f9f78a9a298d
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::unification ... ok
[INFO] [stdout] test tests::generalisation ... ok
[INFO] [stdout] test tests::insertion ... ok
[INFO] [stderr]    Doc-tests discrimination-tree
[INFO] [stdout] test tests::var_var ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf661802a6149b8a2426351767ed1e42e5b226b5d14231335df117a9d690e3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf661802a6149b8a2426351767ed1e42e5b226b5d14231335df117a9d690e3b0", kill_on_drop: false }`
[INFO] [stdout] bf661802a6149b8a2426351767ed1e42e5b226b5d14231335df117a9d690e3b0