[INFO] fetching crate solti-exec 0.0.1...
[INFO] testing solti-exec-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate solti-exec 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate solti-exec 0.0.1
[INFO] finished tweaking crates.io crate solti-exec 0.0.1
[INFO] tweaked toml for crates.io crate solti-exec 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate solti-exec 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate solti-exec 0.0.1 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-2026-04-21" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7d80089c27931482b71c4cd106ab7417b98d5cd2fdb40833d42c3f30cdb0a1
[INFO] running `Command { std: "docker" "start" "-a" "4e7d80089c27931482b71c4cd106ab7417b98d5cd2fdb40833d42c3f30cdb0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7d80089c27931482b71c4cd106ab7417b98d5cd2fdb40833d42c3f30cdb0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7d80089c27931482b71c4cd106ab7417b98d5cd2fdb40833d42c3f30cdb0a1", kill_on_drop: false }`
[INFO] [stdout] 4e7d80089c27931482b71c4cd106ab7417b98d5cd2fdb40833d42c3f30cdb0a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 704997c9d99d61467ab68eb3ddf07b6f671779f3bfa6d9b34956ec04ed500244
[INFO] running `Command { std: "docker" "start" "-a" "704997c9d99d61467ab68eb3ddf07b6f671779f3bfa6d9b34956ec04ed500244", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling solti-model v0.0.1
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling taskvisor v0.1.2
[INFO] [stderr]    Compiling solti-runner v0.0.1
[INFO] [stderr]    Compiling solti-exec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `classify_task_error` is never used
[INFO] [stdout]   --> src/metrics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn classify_task_error(error: &TaskError) -> TaskOutcome {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 15.30s
[INFO] running `Command { std: "docker" "inspect" "704997c9d99d61467ab68eb3ddf07b6f671779f3bfa6d9b34956ec04ed500244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704997c9d99d61467ab68eb3ddf07b6f671779f3bfa6d9b34956ec04ed500244", kill_on_drop: false }`
[INFO] [stdout] 704997c9d99d61467ab68eb3ddf07b6f671779f3bfa6d9b34956ec04ed500244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7893f42fc3c2603b37809a3a6680f96934c2c733d32b997ac0ffff2d05b94755
[INFO] running `Command { std: "docker" "start" "-a" "7893f42fc3c2603b37809a3a6680f96934c2c733d32b997ac0ffff2d05b94755", kill_on_drop: false }`
[INFO] [stdout] warning: function `classify_task_error` is never used
[INFO] [stdout]   --> src/metrics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn classify_task_error(error: &TaskError) -> TaskOutcome {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling solti-exec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `classify_task_error` is never used
[INFO] [stdout]   --> src/metrics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) fn classify_task_error(error: &TaskError) -> TaskOutcome {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.53s
[INFO] running `Command { std: "docker" "inspect" "7893f42fc3c2603b37809a3a6680f96934c2c733d32b997ac0ffff2d05b94755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7893f42fc3c2603b37809a3a6680f96934c2c733d32b997ac0ffff2d05b94755", kill_on_drop: false }`
[INFO] [stdout] 7893f42fc3c2603b37809a3a6680f96934c2c733d32b997ac0ffff2d05b94755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a9176cab2f9dffdac60055305d1c7ef79d3c387f7a75aa05b255d4b3b8a0835
[INFO] running `Command { std: "docker" "start" "-a" "5a9176cab2f9dffdac60055305d1c7ef79d3c387f7a75aa05b255d4b3b8a0835", kill_on_drop: false }`
[INFO] [stderr] warning: function `classify_task_error` is never used
[INFO] [stderr]   --> src/metrics.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) fn classify_task_error(error: &TaskError) -> TaskOutcome {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `solti-exec` (lib) generated 1 warning
[INFO] [stderr] warning: `solti-exec` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solti_exec-7251752600be2a2d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solti_exec
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "5a9176cab2f9dffdac60055305d1c7ef79d3c387f7a75aa05b255d4b3b8a0835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9176cab2f9dffdac60055305d1c7ef79d3c387f7a75aa05b255d4b3b8a0835", kill_on_drop: false }`
[INFO] [stdout] 5a9176cab2f9dffdac60055305d1c7ef79d3c387f7a75aa05b255d4b3b8a0835
