[INFO] fetching crate matchers 0.0.1...
[INFO] testing matchers-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate matchers 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matchers 0.0.1 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 matchers 0.0.1
[INFO] finished tweaking crates.io crate matchers 0.0.1
[INFO] tweaked toml for crates.io crate matchers 0.0.1 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d41a2df16c887b393f7b0d61ed9e3d6294565ac85b2407e07b0ac6c0a971dcff
[INFO] running `Command { std: "docker" "start" "-a" "d41a2df16c887b393f7b0d61ed9e3d6294565ac85b2407e07b0ac6c0a971dcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41a2df16c887b393f7b0d61ed9e3d6294565ac85b2407e07b0ac6c0a971dcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41a2df16c887b393f7b0d61ed9e3d6294565ac85b2407e07b0ac6c0a971dcff", kill_on_drop: false }`
[INFO] [stdout] d41a2df16c887b393f7b0d61ed9e3d6294565ac85b2407e07b0ac6c0a971dcff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f8c7337a5005b7a20d3f75b7398c523b7a2f5339558d63618ab3d6911faf101e
[INFO] running `Command { std: "docker" "start" "-a" "f8c7337a5005b7a20d3f75b7398c523b7a2f5339558d63618ab3d6911faf101e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matchers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "f8c7337a5005b7a20d3f75b7398c523b7a2f5339558d63618ab3d6911faf101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c7337a5005b7a20d3f75b7398c523b7a2f5339558d63618ab3d6911faf101e", kill_on_drop: false }`
[INFO] [stdout] f8c7337a5005b7a20d3f75b7398c523b7a2f5339558d63618ab3d6911faf101e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73848510ee703eacd4e4639ef657d15b9ffd600310eefbfa73c994c51cce49ad
[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" "73848510ee703eacd4e4639ef657d15b9ffd600310eefbfa73c994c51cce49ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "73848510ee703eacd4e4639ef657d15b9ffd600310eefbfa73c994c51cce49ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73848510ee703eacd4e4639ef657d15b9ffd600310eefbfa73c994c51cce49ad", kill_on_drop: false }`
[INFO] [stdout] 73848510ee703eacd4e4639ef657d15b9ffd600310eefbfa73c994c51cce49ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a527651a0189e3e144d64a0f0b1bbd7f3b1368a376dc28bb00123331164455b
[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" "4a527651a0189e3e144d64a0f0b1bbd7f3b1368a376dc28bb00123331164455b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matchers-a522da392061b117
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::debug_rep_pattern ... ok
[INFO] [stderr]    Doc-tests matchers
[INFO] [stdout] test test::reader_matches ... ok
[INFO] [stdout] test test::debug_matches ... ok
[INFO] [stdout] test test::display_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Pattern<S, A>::display_matches (line 123) ... ok
[INFO] [stdout] test src/lib.rs - Pattern<S, A>::debug_matches (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a527651a0189e3e144d64a0f0b1bbd7f3b1368a376dc28bb00123331164455b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a527651a0189e3e144d64a0f0b1bbd7f3b1368a376dc28bb00123331164455b", kill_on_drop: false }`
[INFO] [stdout] 4a527651a0189e3e144d64a0f0b1bbd7f3b1368a376dc28bb00123331164455b