[INFO] fetching crate mergelog 0.2.0...
[INFO] testing mergelog-0.2.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate mergelog 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mergelog 0.2.0
[INFO] finished tweaking crates.io crate mergelog 0.2.0
[INFO] tweaked toml for crates.io crate mergelog 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mergelog 0.2.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mergelog 0.2.0 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aec89f9bd36429be84d262d1b5300d9659e4b7295acf1c77877d4dec2293736
[INFO] running `Command { std: "docker" "start" "-a" "5aec89f9bd36429be84d262d1b5300d9659e4b7295acf1c77877d4dec2293736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aec89f9bd36429be84d262d1b5300d9659e4b7295acf1c77877d4dec2293736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aec89f9bd36429be84d262d1b5300d9659e4b7295acf1c77877d4dec2293736", kill_on_drop: false }`
[INFO] [stdout] 5aec89f9bd36429be84d262d1b5300d9659e4b7295acf1c77877d4dec2293736
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e78b3354f686973f743f5449ce410b077de977b10e5198682f2040eefa846f29
[INFO] running `Command { std: "docker" "start" "-a" "e78b3354f686973f743f5449ce410b077de977b10e5198682f2040eefa846f29", kill_on_drop: false }`
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[INFO] [stderr]    Compiling comrak v0.35.0
[INFO] [stderr]    Compiling miette v7.5.0
[INFO] [stderr]    Compiling mergelog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `use_short_links`
[INFO] [stdout]    --> src/main.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use_short_links: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_short_links`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pull_request` is never read
[INFO] [stdout]    --> src/main.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | struct Link {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 409 |     is_pull_request: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Link` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "e78b3354f686973f743f5449ce410b077de977b10e5198682f2040eefa846f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78b3354f686973f743f5449ce410b077de977b10e5198682f2040eefa846f29", kill_on_drop: false }`
[INFO] [stdout] e78b3354f686973f743f5449ce410b077de977b10e5198682f2040eefa846f29
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7d25bc2d7b5228c9663424796dde2443d8cb656a05b39eeb2bfc4d765d5bb8
[INFO] running `Command { std: "docker" "start" "-a" "fd7d25bc2d7b5228c9663424796dde2443d8cb656a05b39eeb2bfc4d765d5bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mergelog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `use_short_links`
[INFO] [stdout]    --> src/main.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use_short_links: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_short_links`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pull_request` is never read
[INFO] [stdout]    --> src/main.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | struct Link {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 409 |     is_pull_request: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Link` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "fd7d25bc2d7b5228c9663424796dde2443d8cb656a05b39eeb2bfc4d765d5bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7d25bc2d7b5228c9663424796dde2443d8cb656a05b39eeb2bfc4d765d5bb8", kill_on_drop: false }`
[INFO] [stdout] fd7d25bc2d7b5228c9663424796dde2443d8cb656a05b39eeb2bfc4d765d5bb8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22fbc4730854be511dcba26145ac2420f372e07f8aa67a60c995930023e979c8
[INFO] running `Command { std: "docker" "start" "-a" "22fbc4730854be511dcba26145ac2420f372e07f8aa67a60c995930023e979c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `use_short_links`
[INFO] [stderr]    --> src/main.rs:444:5
[INFO] [stderr]     |
[INFO] [stderr] 444 |     use_short_links: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_short_links`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_pull_request` is never read
[INFO] [stderr]    --> src/main.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 406 | struct Link {
[INFO] [stderr]     |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 409 |     is_pull_request: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Link` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mergelog` (bin "mergelog" test) generated 2 warnings (run `cargo fix --bin "mergelog" -p mergelog --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mergelog-76adef668c294c6a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22fbc4730854be511dcba26145ac2420f372e07f8aa67a60c995930023e979c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fbc4730854be511dcba26145ac2420f372e07f8aa67a60c995930023e979c8", kill_on_drop: false }`
[INFO] [stdout] 22fbc4730854be511dcba26145ac2420f372e07f8aa67a60c995930023e979c8
