[INFO] fetching crate drain-rs 0.2.0...
[INFO] testing drain-rs-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate drain-rs 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate drain-rs 0.2.0 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 drain-rs 0.2.0
[INFO] finished tweaking crates.io crate drain-rs 0.2.0
[INFO] tweaked toml for crates.io crate drain-rs 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate drain-rs 0.2.0 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4cca61d21aaf499e0a0f29a861ba1def5da8ec8dfe44f46e85eb14dbc9088328
[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" "4cca61d21aaf499e0a0f29a861ba1def5da8ec8dfe44f46e85eb14dbc9088328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cca61d21aaf499e0a0f29a861ba1def5da8ec8dfe44f46e85eb14dbc9088328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cca61d21aaf499e0a0f29a861ba1def5da8ec8dfe44f46e85eb14dbc9088328", kill_on_drop: false }`
[INFO] [stdout] 4cca61d21aaf499e0a0f29a861ba1def5da8ec8dfe44f46e85eb14dbc9088328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 893650e7832b3206bf365010fc4f1efe39d342d7a41c5bf6deb4607697819345
[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" "893650e7832b3206bf365010fc4f1efe39d342d7a41c5bf6deb4607697819345", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling clang-sys v1.0.0
[INFO] [stderr]    Compiling grok v1.1.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling onig_sys v69.5.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]    Compiling drain-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_compiled`
[INFO] [stdout]    --> src/lib.rs:555:8
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn is_compiled(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.61s
[INFO] running `Command { std: "docker" "inspect" "893650e7832b3206bf365010fc4f1efe39d342d7a41c5bf6deb4607697819345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893650e7832b3206bf365010fc4f1efe39d342d7a41c5bf6deb4607697819345", kill_on_drop: false }`
[INFO] [stdout] 893650e7832b3206bf365010fc4f1efe39d342d7a41c5bf6deb4607697819345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e68417ad5712635d812d37267ecdef5ea7afa5dcd8afbd1fb660ab1570d789fc
[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" "e68417ad5712635d812d37267ecdef5ea7afa5dcd8afbd1fb660ab1570d789fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stdout] warning: associated function is never used: `is_compiled`
[INFO] [stdout]    --> src/lib.rs:555:8
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn is_compiled(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling drain-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "e68417ad5712635d812d37267ecdef5ea7afa5dcd8afbd1fb660ab1570d789fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68417ad5712635d812d37267ecdef5ea7afa5dcd8afbd1fb660ab1570d789fc", kill_on_drop: false }`
[INFO] [stdout] e68417ad5712635d812d37267ecdef5ea7afa5dcd8afbd1fb660ab1570d789fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdf431ea8100962a0fbf6aecc55f2ab211c492ec9662e1acfb467c28fd2ce9f8
[INFO] running `Command { std: "docker" "start" "-a" "cdf431ea8100962a0fbf6aecc55f2ab211c492ec9662e1acfb467c28fd2ce9f8", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `is_compiled`
[INFO] [stderr]    --> src/lib.rs:555:8
[INFO] [stderr]     |
[INFO] [stderr] 555 |     fn is_compiled(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/drain_rs-3375e419dbff86a9
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::best_group ... ok
[INFO] [stdout] test tests::add_group ... ok
[INFO] [stdout] test tests::similarity_check ... ok
[INFO] [stdout] test tests::patterns_built ... ok
[INFO] [stdout] test tests::log_clustering ... ok
[INFO] [stdout] test tests::dump_and_load ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests drain-rs
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - DrainTree::log_pattern (line 447) ... ok
[INFO] [stdout] test src/lib.rs - DrainTree::filter_patterns (line 423) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdf431ea8100962a0fbf6aecc55f2ab211c492ec9662e1acfb467c28fd2ce9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf431ea8100962a0fbf6aecc55f2ab211c492ec9662e1acfb467c28fd2ce9f8", kill_on_drop: false }`
[INFO] [stdout] cdf431ea8100962a0fbf6aecc55f2ab211c492ec9662e1acfb467c28fd2ce9f8