[INFO] fetching crate rsb 0.2.1...
[INFO] checking rsb-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rsb 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rsb 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rsb 0.2.1
[INFO] finished tweaking crates.io crate rsb 0.2.1
[INFO] tweaked toml for crates.io crate rsb 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rsb 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-clap v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.30
[INFO] [stderr]   Downloaded governor v0.6.0
[INFO] [stderr]   Downloaded clap_complete v4.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b9c9d9869e1b5028df22b929bfcb7a22d5a0f13e5ba2f072c81375e9483d6e5
[INFO] running `Command { std: "docker" "start" "-a" "0b9c9d9869e1b5028df22b929bfcb7a22d5a0f13e5ba2f072c81375e9483d6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9c9d9869e1b5028df22b929bfcb7a22d5a0f13e5ba2f072c81375e9483d6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9c9d9869e1b5028df22b929bfcb7a22d5a0f13e5ba2f072c81375e9483d6e5", kill_on_drop: false }`
[INFO] [stdout] 0b9c9d9869e1b5028df22b929bfcb7a22d5a0f13e5ba2f072c81375e9483d6e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eae3e159907ebf20527759ee25c681f498ef9356e7b75a397ac97efc0a9819b5
[INFO] running `Command { std: "docker" "start" "-a" "eae3e159907ebf20527759ee25c681f498ef9356e7b75a397ac97efc0a9819b5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustix v0.37.20
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[INFO] [stderr]    Compiling futures-macro v0.3.28
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[INFO] [stderr]     Checking rsb v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/request.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::{self, fs as tfs};
[INFO] [stdout]   |             ^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]   --> src/task.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use num_cpus;
[INFO] [stdout]    |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/task.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     self, runtime,
[INFO] [stdout]    |     ^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/request.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::{self, fs as tfs};
[INFO] [stdout]   |             ^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]   --> src/task.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use num_cpus;
[INFO] [stdout]    |     ^^^^^^^^ the item `num_cpus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/task.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     self, runtime,
[INFO] [stdout]    |     ^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_process` is never used
[INFO] [stdout]   --> src/dispatcher.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait Dispatcher: Send + Sync {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn get_process(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_process` is never used
[INFO] [stdout]   --> src/dispatcher.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait Dispatcher: Send + Sync {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn get_process(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.64s
[INFO] running `Command { std: "docker" "inspect" "eae3e159907ebf20527759ee25c681f498ef9356e7b75a397ac97efc0a9819b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae3e159907ebf20527759ee25c681f498ef9356e7b75a397ac97efc0a9819b5", kill_on_drop: false }`
[INFO] [stdout] eae3e159907ebf20527759ee25c681f498ef9356e7b75a397ac97efc0a9819b5