[INFO] cloning repository https://github.com/omertuc/subsmerge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omertuc/subsmerge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Fsubsmerge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Fsubsmerge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55b5e5719f64097840e1465eb4e256733a2107c2
[INFO] building omertuc/subsmerge against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomertuc%2Fsubsmerge" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omertuc/subsmerge
[INFO] finished tweaking git repo https://github.com/omertuc/subsmerge
[INFO] tweaked toml for git repo https://github.com/omertuc/subsmerge written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omertuc/subsmerge on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omertuc/subsmerge 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zune-jpeg v0.4.13
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.93
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[INFO] [stderr]   Downloaded clap_builder v4.5.19
[INFO] [stderr]   Downloaded image v0.25.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fccc37da9ef822cd434b1c4fbb2ea4642687f3cc64fdfb014231c8ff97102a6
[INFO] running `Command { std: "docker" "start" "-a" "0fccc37da9ef822cd434b1c4fbb2ea4642687f3cc64fdfb014231c8ff97102a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fccc37da9ef822cd434b1c4fbb2ea4642687f3cc64fdfb014231c8ff97102a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fccc37da9ef822cd434b1c4fbb2ea4642687f3cc64fdfb014231c8ff97102a6", kill_on_drop: false }`
[INFO] [stdout] 0fccc37da9ef822cd434b1c4fbb2ea4642687f3cc64fdfb014231c8ff97102a6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ad7bb3584e98ef120c75db552de515f1d5313c08ddd0f0ca918dbe1ab9543d
[INFO] running `Command { std: "docker" "start" "-a" "97ad7bb3584e98ef120c75db552de515f1d5313c08ddd0f0ca918dbe1ab9543d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling imgref v1.10.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling bitstream-io v2.5.3
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling avif-serialize v0.8.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling fdeflate v0.3.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling image-webp v0.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.19
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling zune-jpeg v0.4.13
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling png v0.17.14
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling clap v4.5.19
[INFO] [stderr]    Compiling ravif v0.11.10
[INFO] [stderr]    Compiling image v0.25.2
[INFO] [stderr]    Compiling subsmerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `collector`
[INFO] [stdout]    --> src/main.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut collector = DisplaySetCollector::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair_collector`
[INFO] [stdout]    --> src/main.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut pair_collector = DisplaySetPairCollector::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pair_collector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut collector = DisplaySetCollector::new();
[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:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut pair_collector = DisplaySetPairCollector::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.12s
[INFO] running `Command { std: "docker" "inspect" "97ad7bb3584e98ef120c75db552de515f1d5313c08ddd0f0ca918dbe1ab9543d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ad7bb3584e98ef120c75db552de515f1d5313c08ddd0f0ca918dbe1ab9543d", kill_on_drop: false }`
[INFO] [stdout] 97ad7bb3584e98ef120c75db552de515f1d5313c08ddd0f0ca918dbe1ab9543d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4f47dacaf23deefc25459f60cd9d3e98518ba7820277cdee09db764fc8b930
[INFO] running `Command { std: "docker" "start" "-a" "8d4f47dacaf23deefc25459f60cd9d3e98518ba7820277cdee09db764fc8b930", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsmerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `collector`
[INFO] [stdout]    --> src/main.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut collector = DisplaySetCollector::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair_collector`
[INFO] [stdout]    --> src/main.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut pair_collector = DisplaySetPairCollector::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pair_collector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut collector = DisplaySetCollector::new();
[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:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut pair_collector = DisplaySetPairCollector::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "8d4f47dacaf23deefc25459f60cd9d3e98518ba7820277cdee09db764fc8b930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f47dacaf23deefc25459f60cd9d3e98518ba7820277cdee09db764fc8b930", kill_on_drop: false }`
[INFO] [stdout] 8d4f47dacaf23deefc25459f60cd9d3e98518ba7820277cdee09db764fc8b930