[INFO] fetching crate group-similar 0.1.0...
[INFO] testing group-similar-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate group-similar 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate group-similar 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate group-similar 0.1.0
[INFO] finished tweaking crates.io crate group-similar 0.1.0
[INFO] tweaked toml for crates.io crate group-similar 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kodama v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de8851f7c9f6c1817229fa43d212e2b2c33e991fe149f85fa2b537f0f9f6887
[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" "5de8851f7c9f6c1817229fa43d212e2b2c33e991fe149f85fa2b537f0f9f6887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de8851f7c9f6c1817229fa43d212e2b2c33e991fe149f85fa2b537f0f9f6887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de8851f7c9f6c1817229fa43d212e2b2c33e991fe149f85fa2b537f0f9f6887", kill_on_drop: false }`
[INFO] [stdout] 5de8851f7c9f6c1817229fa43d212e2b2c33e991fe149f85fa2b537f0f9f6887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24510582a500201cf810b7888dd22ce6ab114036437620ebba69dc277177c542
[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" "24510582a500201cf810b7888dd22ce6ab114036437620ebba69dc277177c542", kill_on_drop: false }`
[INFO] [stderr]    Compiling kodama v0.2.3
[INFO] [stderr]    Compiling group-similar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "24510582a500201cf810b7888dd22ce6ab114036437620ebba69dc277177c542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24510582a500201cf810b7888dd22ce6ab114036437620ebba69dc277177c542", kill_on_drop: false }`
[INFO] [stdout] 24510582a500201cf810b7888dd22ce6ab114036437620ebba69dc277177c542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b6aeaba5a2551edd66250b3556ffdeecde325e3f5baca1f13ea72577db6894
[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" "97b6aeaba5a2551edd66250b3556ffdeecde325e3f5baca1f13ea72577db6894", kill_on_drop: false }`
[INFO] [stderr]    Compiling group-similar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "97b6aeaba5a2551edd66250b3556ffdeecde325e3f5baca1f13ea72577db6894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b6aeaba5a2551edd66250b3556ffdeecde325e3f5baca1f13ea72577db6894", kill_on_drop: false }`
[INFO] [stdout] 97b6aeaba5a2551edd66250b3556ffdeecde325e3f5baca1f13ea72577db6894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efa90c72214adb6379e494a24d7eb38e59f0b534626642dc0fc20ccb0ce0836d
[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" "efa90c72214adb6379e494a24d7eb38e59f0b534626642dc0fc20ccb0ce0836d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/group_similar-574c40329507adb8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::groups_nothing_together_with_strict_threshold ... ok
[INFO] [stdout] test tests::groups_all_together_with_permissive_threshold ... ok
[INFO] [stdout] test tests::groups_similar_values ... ok
[INFO] [stdout] test tests::groups_similar_values_loosely ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests group-similar
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/config.rs - config::Named (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "efa90c72214adb6379e494a24d7eb38e59f0b534626642dc0fc20ccb0ce0836d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa90c72214adb6379e494a24d7eb38e59f0b534626642dc0fc20ccb0ce0836d", kill_on_drop: false }`
[INFO] [stdout] efa90c72214adb6379e494a24d7eb38e59f0b534626642dc0fc20ccb0ce0836d