[INFO] fetching crate vtr 0.1.2...
[INFO] checking vtr-0.1.2 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate vtr 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vtr 0.1.2
[INFO] finished tweaking crates.io crate vtr 0.1.2
[INFO] tweaked toml for crates.io crate vtr 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtr 0.1.2 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vtr 0.1.2 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.5.2
[INFO] [stderr]   Downloaded objc2-encode v4.1.0
[INFO] [stderr]   Downloaded dispatch2 v0.3.1
[INFO] [stderr]   Downloaded block2 v0.6.2
[INFO] [stderr]   Downloaded nix v0.31.2
[INFO] [stderr]   Downloaded objc2 v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080
[INFO] running `Command { std: "docker" "start" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking vtr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `sleep` and `time::Duration`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     thread::{self, sleep},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 14 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep` and `time::Duration`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     thread::{self, sleep},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 14 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut runner = Runner::new(tasks, runner_state);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut runner = Runner::new(tasks, runner_state);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080", kill_on_drop: false }`
[INFO] [stdout] d98b7c05458004577537232455e85160fa8e93a531c07a3bad05c8639f247080
