[INFO] fetching crate simu 0.1.0...
[INFO] testing simu-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate simu 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate simu 0.1.0
[INFO] finished tweaking crates.io crate simu 0.1.0
[INFO] tweaked toml for crates.io crate simu 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simu 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simu 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc62939525ad9fbd57c3cb0207ef8c2a91f51ce8292b05b2e44596bda161ee0
[INFO] running `Command { std: "docker" "start" "-a" "0fc62939525ad9fbd57c3cb0207ef8c2a91f51ce8292b05b2e44596bda161ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc62939525ad9fbd57c3cb0207ef8c2a91f51ce8292b05b2e44596bda161ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc62939525ad9fbd57c3cb0207ef8c2a91f51ce8292b05b2e44596bda161ee0", kill_on_drop: false }`
[INFO] [stdout] 0fc62939525ad9fbd57c3cb0207ef8c2a91f51ce8292b05b2e44596bda161ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b31ef67d1643d2a9d27ceaa883204eaec8858dc5193adc6f7b1d55b8c73b7fa
[INFO] running `Command { std: "docker" "start" "-a" "0b31ef67d1643d2a9d27ceaa883204eaec8858dc5193adc6f7b1d55b8c73b7fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling newline-converter v0.2.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling inquire v0.6.2
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling simu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `display_string` is never used
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Device {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 36 |     fn display_string(&self) -> String {
[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 12.59s
[INFO] running `Command { std: "docker" "inspect" "0b31ef67d1643d2a9d27ceaa883204eaec8858dc5193adc6f7b1d55b8c73b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b31ef67d1643d2a9d27ceaa883204eaec8858dc5193adc6f7b1d55b8c73b7fa", kill_on_drop: false }`
[INFO] [stdout] 0b31ef67d1643d2a9d27ceaa883204eaec8858dc5193adc6f7b1d55b8c73b7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e25a990595f7f49bb64f573b3a00eb1f28e68a78792df21f08326125fb36753
[INFO] running `Command { std: "docker" "start" "-a" "1e25a990595f7f49bb64f573b3a00eb1f28e68a78792df21f08326125fb36753", kill_on_drop: false }`
[INFO] [stderr]    Compiling simu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `display_string` is never used
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Device {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 36 |     fn display_string(&self) -> String {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "1e25a990595f7f49bb64f573b3a00eb1f28e68a78792df21f08326125fb36753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e25a990595f7f49bb64f573b3a00eb1f28e68a78792df21f08326125fb36753", kill_on_drop: false }`
[INFO] [stdout] 1e25a990595f7f49bb64f573b3a00eb1f28e68a78792df21f08326125fb36753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e90fdb644bcd263f722e2f7d19758e75f0c959306f191885f3db107611fba1e
[INFO] running `Command { std: "docker" "start" "-a" "8e90fdb644bcd263f722e2f7d19758e75f0c959306f191885f3db107611fba1e", kill_on_drop: false }`
[INFO] [stderr] warning: method `display_string` is never used
[INFO] [stderr]   --> src/main.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Device {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 36 |     fn display_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simu` (bin "simu" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simu-dedcdd1ee87c465e)
[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" "8e90fdb644bcd263f722e2f7d19758e75f0c959306f191885f3db107611fba1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e90fdb644bcd263f722e2f7d19758e75f0c959306f191885f3db107611fba1e", kill_on_drop: false }`
[INFO] [stdout] 8e90fdb644bcd263f722e2f7d19758e75f0c959306f191885f3db107611fba1e