[INFO] fetching crate labyr 0.2.11...
[INFO] checking labyr-0.2.11 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate labyr 0.2.11 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate labyr 0.2.11 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] started tweaking crates.io crate labyr 0.2.11
[INFO] finished tweaking crates.io crate labyr 0.2.11
[INFO] tweaked toml for crates.io crate labyr 0.2.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate labyr 0.2.11 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 indicatif-log-bridge v0.2.2
[INFO] [stderr]   Downloaded path-absolutize v3.1.1
[INFO] [stderr]   Downloaded anyhow v1.0.83
[INFO] [stderr]   Downloaded path-dedot v3.1.1
[INFO] [stderr]   Downloaded pretty-duration v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 82ba04b6b89ebdcaae54f5aca5c709ab07d6e75ccaeeb36dbd5fa323395fe877
[INFO] running `Command { std: "docker" "start" "-a" "82ba04b6b89ebdcaae54f5aca5c709ab07d6e75ccaeeb36dbd5fa323395fe877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ba04b6b89ebdcaae54f5aca5c709ab07d6e75ccaeeb36dbd5fa323395fe877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ba04b6b89ebdcaae54f5aca5c709ab07d6e75ccaeeb36dbd5fa323395fe877", kill_on_drop: false }`
[INFO] [stdout] 82ba04b6b89ebdcaae54f5aca5c709ab07d6e75ccaeeb36dbd5fa323395fe877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6331399386b25bc78ab0324df45ba34d082f5f5477c77ef59de5995b57129b96
[INFO] running `Command { std: "docker" "start" "-a" "6331399386b25bc78ab0324df45ba34d082f5f5477c77ef59de5995b57129b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking pretty-duration v0.1.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking indicatif-log-bridge v0.2.2
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking labyr v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `learn` is never read
[INFO] [stdout]   --> src/setup/instance.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Task {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 27 |     pub name: String,
[INFO] [stdout] 28 |     pub learn: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Task` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `learn` is never read
[INFO] [stdout]   --> src/setup/instance.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Task {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 27 |     pub name: String,
[INFO] [stdout] 28 |     pub learn: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Task` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `Command { std: "docker" "inspect" "6331399386b25bc78ab0324df45ba34d082f5f5477c77ef59de5995b57129b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6331399386b25bc78ab0324df45ba34d082f5f5477c77ef59de5995b57129b96", kill_on_drop: false }`
[INFO] [stdout] 6331399386b25bc78ab0324df45ba34d082f5f5477c77ef59de5995b57129b96