[INFO] fetching crate c3dio 0.8.0...
[INFO] checking c3dio-0.8.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate c3dio 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate c3dio 0.8.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate c3dio 0.8.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate c3dio 0.8.0
[INFO] tweaked toml for crates.io crate c3dio 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate c3dio 0.8.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded touch v0.0.1
[INFO] [stderr]   Downloaded test-files v0.1.2
[INFO] [stderr]   Downloaded thiserror v1.0.53
[INFO] [stderr]   Downloaded fastrand v2.0.1
[INFO] [stderr]   Downloaded tempfile v3.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] [stderr]   Downloaded thiserror-impl v1.0.53
[INFO] [stderr]   Downloaded syn v2.0.43
[INFO] [stderr]   Downloaded rustix v0.38.28
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c71bd2167a1c4b913e2830006fdf090adf300da9ad6a9fae89f278c5e126c1c
[INFO] running `Command { std: "docker" "start" "-a" "9c71bd2167a1c4b913e2830006fdf090adf300da9ad6a9fae89f278c5e126c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c71bd2167a1c4b913e2830006fdf090adf300da9ad6a9fae89f278c5e126c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71bd2167a1c4b913e2830006fdf090adf300da9ad6a9fae89f278c5e126c1c", kill_on_drop: false }`
[INFO] [stdout] 9c71bd2167a1c4b913e2830006fdf090adf300da9ad6a9fae89f278c5e126c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61340a174df2c9db627920b076c019839508dd5faec1413a568581f4dfcaa46
[INFO] running `Command { std: "docker" "start" "-a" "d61340a174df2c9db627920b076c019839508dd5faec1413a568581f4dfcaa46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking grid v0.10.0
[INFO] [stderr]     Checking touch v0.0.1
[INFO] [stderr]     Checking c3dio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parameters.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (i, (group, (group_description, parameters))) in self.parameters.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> src/parameters.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (i, (group, (group_description, parameters))) in self.parameters.iter().enumerate() {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]     Checking test-files v0.1.2
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parameters.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (i, (group, (group_description, parameters))) in self.parameters.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> src/parameters.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (i, (group, (group_description, parameters))) in self.parameters.iter().enumerate() {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "d61340a174df2c9db627920b076c019839508dd5faec1413a568581f4dfcaa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61340a174df2c9db627920b076c019839508dd5faec1413a568581f4dfcaa46", kill_on_drop: false }`
[INFO] [stdout] d61340a174df2c9db627920b076c019839508dd5faec1413a568581f4dfcaa46