[INFO] cloning repository https://github.com/bchallenor/firebreak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bchallenor/firebreak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbchallenor%2Ffirebreak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbchallenor%2Ffirebreak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40d765a0ee68d108d1b2abc9f40d4dce9010c883
[INFO] checking bchallenor/firebreak against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbchallenor%2Ffirebreak" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bchallenor/firebreak on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bchallenor/firebreak
[INFO] finished tweaking git repo https://github.com/bchallenor/firebreak
[INFO] tweaked toml for git repo https://github.com/bchallenor/firebreak written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bchallenor/firebreak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded paste v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5579c8a5b5e671c6baa2c74620a509595d1eb0545e88ff76493410ad817c22bb
[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" "5579c8a5b5e671c6baa2c74620a509595d1eb0545e88ff76493410ad817c22bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5579c8a5b5e671c6baa2c74620a509595d1eb0545e88ff76493410ad817c22bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5579c8a5b5e671c6baa2c74620a509595d1eb0545e88ff76493410ad817c22bb", kill_on_drop: false }`
[INFO] [stdout] 5579c8a5b5e671c6baa2c74620a509595d1eb0545e88ff76493410ad817c22bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9beae48f92979a6b42c88aceccfa2e92a868dc1f5ef124b3e0682a0b1bbfe32
[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" "a9beae48f92979a6b42c88aceccfa2e92a868dc1f5ef124b3e0682a0b1bbfe32", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking tokio v0.3.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking firebreak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Tcp`
[INFO] [stdout]   --> src/conn/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Tcp { port: u16 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Udp`
[INFO] [stdout]   --> src/conn/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Udp { port: u16 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "a9beae48f92979a6b42c88aceccfa2e92a868dc1f5ef124b3e0682a0b1bbfe32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9beae48f92979a6b42c88aceccfa2e92a868dc1f5ef124b3e0682a0b1bbfe32", kill_on_drop: false }`
[INFO] [stdout] a9beae48f92979a6b42c88aceccfa2e92a868dc1f5ef124b3e0682a0b1bbfe32