[INFO] fetching crate congregation 0.1.8...
[INFO] testing congregation-0.1.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate congregation 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate congregation 0.1.8
[INFO] finished tweaking crates.io crate congregation 0.1.8
[INFO] tweaked toml for crates.io crate congregation 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate congregation 0.1.8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate congregation 0.1.8 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cfa97e9aa59968b458b6d67f93ef447835074d873814fd0ffb28e7e9ad7789b
[INFO] running `Command { std: "docker" "start" "-a" "9cfa97e9aa59968b458b6d67f93ef447835074d873814fd0ffb28e7e9ad7789b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cfa97e9aa59968b458b6d67f93ef447835074d873814fd0ffb28e7e9ad7789b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfa97e9aa59968b458b6d67f93ef447835074d873814fd0ffb28e7e9ad7789b", kill_on_drop: false }`
[INFO] [stdout] 9cfa97e9aa59968b458b6d67f93ef447835074d873814fd0ffb28e7e9ad7789b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552166b2bd8db1d0195feda6721a61cef79e6097c40aa3342d8ad75d616acf22
[INFO] running `Command { std: "docker" "start" "-a" "552166b2bd8db1d0195feda6721a61cef79e6097c40aa3342d8ad75d616acf22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling ctrlc v3.4.7
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling congregation v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/task.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/task.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Task {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 20 |     pub id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.50s
[INFO] running `Command { std: "docker" "inspect" "552166b2bd8db1d0195feda6721a61cef79e6097c40aa3342d8ad75d616acf22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552166b2bd8db1d0195feda6721a61cef79e6097c40aa3342d8ad75d616acf22", kill_on_drop: false }`
[INFO] [stdout] 552166b2bd8db1d0195feda6721a61cef79e6097c40aa3342d8ad75d616acf22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12577a0530a05c4a8896e4aedb8c2e1060388b247af451723a19e07d239f6f43
[INFO] running `Command { std: "docker" "start" "-a" "12577a0530a05c4a8896e4aedb8c2e1060388b247af451723a19e07d239f6f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling congregation v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/task.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/task.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Task {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 20 |     pub id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "12577a0530a05c4a8896e4aedb8c2e1060388b247af451723a19e07d239f6f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12577a0530a05c4a8896e4aedb8c2e1060388b247af451723a19e07d239f6f43", kill_on_drop: false }`
[INFO] [stdout] 12577a0530a05c4a8896e4aedb8c2e1060388b247af451723a19e07d239f6f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 284bda7c11de8248c2a2e848f6b1ce3aa0bc2fb27dcfc377ccd7a1e48c9f3faf
[INFO] running `Command { std: "docker" "start" "-a" "284bda7c11de8248c2a2e848f6b1ce3aa0bc2fb27dcfc377ccd7a1e48c9f3faf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/task.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/task.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Task {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 20 |     pub id: usize,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `congregation` (bin "congregation" test) generated 2 warnings (run `cargo fix --bin "congregation" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/congregation-370cdaf607ba6bf5)
[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" "284bda7c11de8248c2a2e848f6b1ce3aa0bc2fb27dcfc377ccd7a1e48c9f3faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284bda7c11de8248c2a2e848f6b1ce3aa0bc2fb27dcfc377ccd7a1e48c9f3faf", kill_on_drop: false }`
[INFO] [stdout] 284bda7c11de8248c2a2e848f6b1ce3aa0bc2fb27dcfc377ccd7a1e48c9f3faf