[INFO] fetching crate kak-tabs 0.2.1-beta...
[INFO] checking kak-tabs-0.2.1-beta against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate kak-tabs 0.2.1-beta into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate kak-tabs 0.2.1-beta on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kak-tabs 0.2.1-beta
[INFO] finished tweaking crates.io crate kak-tabs 0.2.1-beta
[INFO] tweaked toml for crates.io crate kak-tabs 0.2.1-beta written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate kak-tabs 0.2.1-beta 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34bcbb0a5ddfec081258e26410173371cc6ca2027fff63366c391b6dcb3da2fc
[INFO] running `Command { std: "docker" "start" "-a" "34bcbb0a5ddfec081258e26410173371cc6ca2027fff63366c391b6dcb3da2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34bcbb0a5ddfec081258e26410173371cc6ca2027fff63366c391b6dcb3da2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bcbb0a5ddfec081258e26410173371cc6ca2027fff63366c391b6dcb3da2fc", kill_on_drop: false }`
[INFO] [stdout] 34bcbb0a5ddfec081258e26410173371cc6ca2027fff63366c391b6dcb3da2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81220351d14843c7f38409cd3a32f69b18a904f4c71009eb6176b72391b22ef7
[INFO] running `Command { std: "docker" "start" "-a" "81220351d14843c7f38409cd3a32f69b18a904f4c71009eb6176b72391b22ef7", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]     Checking clap_builder v4.5.7
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]     Checking kak-tabs v0.2.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `session` is never read
[INFO] [stdout]  --> src/kakoune.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Kakoune {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |   pub session: String,
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kakoune` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `session` is never read
[INFO] [stdout]  --> src/kakoune.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Kakoune {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |   pub session: String,
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kakoune` has a derived impl for the trait `Debug`, but this is 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "81220351d14843c7f38409cd3a32f69b18a904f4c71009eb6176b72391b22ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81220351d14843c7f38409cd3a32f69b18a904f4c71009eb6176b72391b22ef7", kill_on_drop: false }`
[INFO] [stdout] 81220351d14843c7f38409cd3a32f69b18a904f4c71009eb6176b72391b22ef7