[INFO] fetching crate simpl 0.1.0... [INFO] testing simpl-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate simpl 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate simpl 0.1.0 [INFO] finished tweaking crates.io crate simpl 0.1.0 [INFO] tweaked toml for crates.io crate simpl 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate simpl 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f4d09a87bfd7c426df23aaf1402d8851f4e087e7f86d8fb3d0cb78c59bc20c51 [INFO] running `Command { std: "docker" "start" "-a" "f4d09a87bfd7c426df23aaf1402d8851f4e087e7f86d8fb3d0cb78c59bc20c51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4d09a87bfd7c426df23aaf1402d8851f4e087e7f86d8fb3d0cb78c59bc20c51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4d09a87bfd7c426df23aaf1402d8851f4e087e7f86d8fb3d0cb78c59bc20c51", kill_on_drop: false }` [INFO] [stdout] f4d09a87bfd7c426df23aaf1402d8851f4e087e7f86d8fb3d0cb78c59bc20c51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2bd9334c513afbbb5f6cc7d2ab325bcef9221a631b0af1664c063aeb96164083 [INFO] running `Command { std: "docker" "start" "-a" "2bd9334c513afbbb5f6cc7d2ab325bcef9221a631b0af1664c063aeb96164083", kill_on_drop: false }` [INFO] [stderr] Compiling simpl v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "2bd9334c513afbbb5f6cc7d2ab325bcef9221a631b0af1664c063aeb96164083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bd9334c513afbbb5f6cc7d2ab325bcef9221a631b0af1664c063aeb96164083", kill_on_drop: false }` [INFO] [stdout] 2bd9334c513afbbb5f6cc7d2ab325bcef9221a631b0af1664c063aeb96164083 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 95e8c68bad48abf4f575ef9351f25437b6a9b633988311c9c3946c03da0569e4 [INFO] running `Command { std: "docker" "start" "-a" "95e8c68bad48abf4f575ef9351f25437b6a9b633988311c9c3946c03da0569e4", kill_on_drop: false }` [INFO] [stderr] Compiling simpl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/lib.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | pub data: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | super::err!(TestError, [INFO] [stdout] | - --------- field in this struct [INFO] [stdout] | _____| [INFO] [stdout] | | [INFO] [stdout] 95 | | { [INFO] [stdout] 96 | | Io@std::io::Error; [INFO] [stdout] 97 | | } [INFO] [stdout] 98 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `TestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `super::err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "95e8c68bad48abf4f575ef9351f25437b6a9b633988311c9c3946c03da0569e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95e8c68bad48abf4f575ef9351f25437b6a9b633988311c9c3946c03da0569e4", kill_on_drop: false }` [INFO] [stdout] 95e8c68bad48abf4f575ef9351f25437b6a9b633988311c9c3946c03da0569e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8d3b9dd7b694dc54ffbb86ee10cda38789efd17ee434b7cbf07970a7c0e7652a [INFO] running `Command { std: "docker" "start" "-a" "8d3b9dd7b694dc54ffbb86ee10cda38789efd17ee434b7cbf07970a7c0e7652a", kill_on_drop: false }` [INFO] [stderr] warning: field `data` is never read [INFO] [stderr] --> src/lib.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | pub data: Option, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 94 | super::err!(TestError, [INFO] [stderr] | - --------- field in this struct [INFO] [stderr] | _____| [INFO] [stderr] | | [INFO] [stderr] 95 | | { [INFO] [stderr] 96 | | Io@std::io::Error; [INFO] [stderr] 97 | | } [INFO] [stderr] 98 | | ); [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `TestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] = note: this warning originates in the macro `super::err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `simpl` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simpl-50aa9f15c70161c8) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::should_succeed ... FAILED [INFO] [stdout] test tests::should_fail_wrapper - should panic ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::should_succeed stdout ---- [INFO] [stdout] Error: TestError { description: Some("Read-only file system (os error 30)"), data: None, source: Some(Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })) } [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::should_succeed [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "8d3b9dd7b694dc54ffbb86ee10cda38789efd17ee434b7cbf07970a7c0e7652a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d3b9dd7b694dc54ffbb86ee10cda38789efd17ee434b7cbf07970a7c0e7652a", kill_on_drop: false }` [INFO] [stdout] 8d3b9dd7b694dc54ffbb86ee10cda38789efd17ee434b7cbf07970a7c0e7652a