[INFO] fetching crate quickstart-rs 0.1.2...
[INFO] testing quickstart-rs-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate quickstart-rs 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate quickstart-rs 0.1.2
[INFO] finished tweaking crates.io crate quickstart-rs 0.1.2
[INFO] tweaked toml for crates.io crate quickstart-rs 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quickstart-rs 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quickstart-rs 0.1.2 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-2025-10-28" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c470016bbae7435a4f3551bb7641d5b4058d71aca45557a0876db4a65b0edf46
[INFO] running `Command { std: "docker" "start" "-a" "c470016bbae7435a4f3551bb7641d5b4058d71aca45557a0876db4a65b0edf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c470016bbae7435a4f3551bb7641d5b4058d71aca45557a0876db4a65b0edf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c470016bbae7435a4f3551bb7641d5b4058d71aca45557a0876db4a65b0edf46", kill_on_drop: false }`
[INFO] [stdout] c470016bbae7435a4f3551bb7641d5b4058d71aca45557a0876db4a65b0edf46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72ab6998955d0fe917efe4ec17eb4779868f706d36b4129f7a920f90c024375c
[INFO] running `Command { std: "docker" "start" "-a" "72ab6998955d0fe917efe4ec17eb4779868f706d36b4129f7a920f90c024375c", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickstart-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `val` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut val = Number {
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_val` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/main.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     val.value = 13;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "72ab6998955d0fe917efe4ec17eb4779868f706d36b4129f7a920f90c024375c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ab6998955d0fe917efe4ec17eb4779868f706d36b4129f7a920f90c024375c", kill_on_drop: false }`
[INFO] [stdout] 72ab6998955d0fe917efe4ec17eb4779868f706d36b4129f7a920f90c024375c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b53df59cdc0ee3434b586a735e1ea465da2358820a6b5342e497ef63a064791
[INFO] running `Command { std: "docker" "start" "-a" "5b53df59cdc0ee3434b586a735e1ea465da2358820a6b5342e497ef63a064791", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickstart-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `val` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut val = Number {
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_val` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/main.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     val.value = 13;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "5b53df59cdc0ee3434b586a735e1ea465da2358820a6b5342e497ef63a064791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b53df59cdc0ee3434b586a735e1ea465da2358820a6b5342e497ef63a064791", kill_on_drop: false }`
[INFO] [stdout] 5b53df59cdc0ee3434b586a735e1ea465da2358820a6b5342e497ef63a064791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6235eb63831051f632fc19730b0fd888c785aa271380cee8d29d3ad3e69b65bd
[INFO] running `Command { std: "docker" "start" "-a" "6235eb63831051f632fc19730b0fd888c785aa271380cee8d29d3ad3e69b65bd", kill_on_drop: false }`
[INFO] [stderr] warning: variable `val` is assigned to, but never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:183:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 183 |     let mut val = Number {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_val` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/main.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     val.value = 13;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `quickstart-rs` (bin "quickstart-rs" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/quickstart_rs-2d154236b58e434d)
[INFO] running `Command { std: "docker" "inspect" "6235eb63831051f632fc19730b0fd888c785aa271380cee8d29d3ad3e69b65bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6235eb63831051f632fc19730b0fd888c785aa271380cee8d29d3ad3e69b65bd", kill_on_drop: false }`
[INFO] [stdout] 6235eb63831051f632fc19730b0fd888c785aa271380cee8d29d3ad3e69b65bd