[INFO] fetching crate sozu 1.0.6...
[INFO] checking sozu-1.0.6 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate sozu 1.0.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sozu 1.0.6
[INFO] finished tweaking crates.io crate sozu 1.0.6
[INFO] tweaked toml for crates.io crate sozu 1.0.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sozu 1.0.6 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sozu 1.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5cd39004a50c82f08f52b1bc5362b4a9c8acf314cd73dc55fa87c4233bbe250
[INFO] running `Command { std: "docker" "start" "-a" "b5cd39004a50c82f08f52b1bc5362b4a9c8acf314cd73dc55fa87c4233bbe250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5cd39004a50c82f08f52b1bc5362b4a9c8acf314cd73dc55fa87c4233bbe250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cd39004a50c82f08f52b1bc5362b4a9c8acf314cd73dc55fa87c4233bbe250", kill_on_drop: false }`
[INFO] [stdout] b5cd39004a50c82f08f52b1bc5362b4a9c8acf314cd73dc55fa87c4233bbe250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be994e72aa08d979125d952fefff7dad7408261019d0feeaeaed08c1b6ba43d
[INFO] running `Command { std: "docker" "start" "-a" "5be994e72aa08d979125d952fefff7dad7408261019d0feeaeaed08c1b6ba43d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
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[INFO] [stderr]     Checking sozu v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `set_workers_affinity` is never used
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn set_workers_affinity(workers: &Vec<WorkerSession>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_process_affinity` is never used
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn set_process_affinity(pid: pid_t, cpu: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/worker.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 | /             Command::new(executable_path)
[INFO] [stdout] 289 | |                 .arg("worker")
[INFO] [stdout] 290 | |                 .arg("--id")
[INFO] [stdout] 291 | |                 .arg(worker_id)
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |                 .arg(config.max_command_buffer_size.to_string())
[INFO] [stdout] 302 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 288 |             let _ = Command::new(executable_path)
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_workers_affinity` is never used
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn set_workers_affinity(workers: &Vec<WorkerSession>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_process_affinity` is never used
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn set_process_affinity(pid: pid_t, cpu: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/worker.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 | /             Command::new(executable_path)
[INFO] [stdout] 289 | |                 .arg("worker")
[INFO] [stdout] 290 | |                 .arg("--id")
[INFO] [stdout] 291 | |                 .arg(worker_id)
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |                 .arg(config.max_command_buffer_size.to_string())
[INFO] [stdout] 302 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 288 |             let _ = Command::new(executable_path)
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `Command { std: "docker" "inspect" "5be994e72aa08d979125d952fefff7dad7408261019d0feeaeaed08c1b6ba43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be994e72aa08d979125d952fefff7dad7408261019d0feeaeaed08c1b6ba43d", kill_on_drop: false }`
[INFO] [stdout] 5be994e72aa08d979125d952fefff7dad7408261019d0feeaeaed08c1b6ba43d