[INFO] fetching crate hostname-validator 1.0.0...
[INFO] testing hostname-validator-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hostname-validator 1.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hostname-validator 1.0.0 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 hostname-validator 1.0.0
[INFO] finished tweaking crates.io crate hostname-validator 1.0.0
[INFO] tweaked toml for crates.io crate hostname-validator 1.0.0 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] 55b4833077f65bada83fe21ff889929753899dea8be9eaa7b3366a11c1566aae
[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" "55b4833077f65bada83fe21ff889929753899dea8be9eaa7b3366a11c1566aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b4833077f65bada83fe21ff889929753899dea8be9eaa7b3366a11c1566aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b4833077f65bada83fe21ff889929753899dea8be9eaa7b3366a11c1566aae", kill_on_drop: false }`
[INFO] [stdout] 55b4833077f65bada83fe21ff889929753899dea8be9eaa7b3366a11c1566aae
[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] [stdout] 135c0805af32bc60fd7448fd70ffd2428051d562501ce417c7e93bd15a5935ab
[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" "135c0805af32bc60fd7448fd70ffd2428051d562501ce417c7e93bd15a5935ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling hostname-validator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "135c0805af32bc60fd7448fd70ffd2428051d562501ce417c7e93bd15a5935ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135c0805af32bc60fd7448fd70ffd2428051d562501ce417c7e93bd15a5935ab", kill_on_drop: false }`
[INFO] [stdout] 135c0805af32bc60fd7448fd70ffd2428051d562501ce417c7e93bd15a5935ab
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76a01b2e921565610930ac6b11c8ce357bfe4dd6bf54f8106f86c0b2c09384b1
[INFO] running `Command { std: "docker" "start" "-a" "76a01b2e921565610930ac6b11c8ce357bfe4dd6bf54f8106f86c0b2c09384b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hostname-validator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "76a01b2e921565610930ac6b11c8ce357bfe4dd6bf54f8106f86c0b2c09384b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a01b2e921565610930ac6b11c8ce357bfe4dd6bf54f8106f86c0b2c09384b1", kill_on_drop: false }`
[INFO] [stdout] 76a01b2e921565610930ac6b11c8ce357bfe4dd6bf54f8106f86c0b2c09384b1
[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] bf37f9a941f5756ad58e917a83cac3ab31379d7a79e4c7c704b7f5443795dd2d
[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" "bf37f9a941f5756ad58e917a83cac3ab31379d7a79e4c7c704b7f5443795dd2d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hostname_validator-a187bc5721110ebb
[INFO] [stdout] test tests::invalid_hostnames ... ok
[INFO] [stderr]    Doc-tests hostname-validator
[INFO] [stdout] test tests::valid_hostnames ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf37f9a941f5756ad58e917a83cac3ab31379d7a79e4c7c704b7f5443795dd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf37f9a941f5756ad58e917a83cac3ab31379d7a79e4c7c704b7f5443795dd2d", kill_on_drop: false }`
[INFO] [stdout] bf37f9a941f5756ad58e917a83cac3ab31379d7a79e4c7c704b7f5443795dd2d