[INFO] fetching crate vrot 0.5.0... [INFO] testing vrot-0.5.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate vrot 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate vrot 0.5.0 [INFO] finished tweaking crates.io crate vrot 0.5.0 [INFO] tweaked toml for crates.io crate vrot 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vrot 0.5.0 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 vrot 0.5.0 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] 389c4d61f8c5815f72ef4ddb46699a8ac6cb8ddeef4b56e7a2df47fe744e6eb2 [INFO] running `Command { std: "docker" "start" "-a" "389c4d61f8c5815f72ef4ddb46699a8ac6cb8ddeef4b56e7a2df47fe744e6eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "389c4d61f8c5815f72ef4ddb46699a8ac6cb8ddeef4b56e7a2df47fe744e6eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "389c4d61f8c5815f72ef4ddb46699a8ac6cb8ddeef4b56e7a2df47fe744e6eb2", kill_on_drop: false }` [INFO] [stdout] 389c4d61f8c5815f72ef4ddb46699a8ac6cb8ddeef4b56e7a2df47fe744e6eb2 [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] e702e543db3e60d52cb578953c6cafd35691f07ac74d06583d69ecbf4071d183 [INFO] running `Command { std: "docker" "start" "-a" "e702e543db3e60d52cb578953c6cafd35691f07ac74d06583d69ecbf4071d183", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Compiling io-lifetimes v1.0.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling iana-time-zone v0.1.53 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num_cpus v1.14.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling rustix v0.36.1 [INFO] [stderr] Compiling chrono v0.4.23 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling nix v0.24.2 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling linux-raw-sys v0.1.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling vte v0.9.0 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling timer v0.2.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling crossbeam v0.8.2 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling tuikit v0.4.6 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Compiling defer-drop v1.3.0 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Compiling os_str_bytes v6.4.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling clap_lex v0.3.0 [INFO] [stderr] Compiling clap_derive v4.0.21 [INFO] [stderr] Compiling fd-lock v3.0.8 [INFO] [stderr] Compiling unicode-segmentation v1.10.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rustyline-derive v0.7.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling skim v0.9.4 [INFO] [stderr] Compiling clap v4.0.23 [INFO] [stderr] Compiling rustyline v10.0.0 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling vrot v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | IOErr(std::io::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `VrotErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 - IOErr(std::io::Error), [INFO] [stdout] 37 + IOErr(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s [INFO] running `Command { std: "docker" "inspect" "e702e543db3e60d52cb578953c6cafd35691f07ac74d06583d69ecbf4071d183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e702e543db3e60d52cb578953c6cafd35691f07ac74d06583d69ecbf4071d183", kill_on_drop: false }` [INFO] [stdout] e702e543db3e60d52cb578953c6cafd35691f07ac74d06583d69ecbf4071d183 [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] 4d99955364b01b7ee67336cdccb0a340e68748b3940ee0ce2a96dfa1d3398c5d [INFO] running `Command { std: "docker" "start" "-a" "4d99955364b01b7ee67336cdccb0a340e68748b3940ee0ce2a96dfa1d3398c5d", kill_on_drop: false }` [INFO] [stderr] Compiling vrot v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | IOErr(std::io::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `VrotErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 - IOErr(std::io::Error), [INFO] [stdout] 37 + IOErr(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "4d99955364b01b7ee67336cdccb0a340e68748b3940ee0ce2a96dfa1d3398c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d99955364b01b7ee67336cdccb0a340e68748b3940ee0ce2a96dfa1d3398c5d", kill_on_drop: false }` [INFO] [stdout] 4d99955364b01b7ee67336cdccb0a340e68748b3940ee0ce2a96dfa1d3398c5d [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] 77038b20ee430ed28696563db8f64c73b304045f53bcec52cf906802a317688b [INFO] running `Command { std: "docker" "start" "-a" "77038b20ee430ed28696563db8f64c73b304045f53bcec52cf906802a317688b", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:37:11 [INFO] [stderr] | [INFO] [stderr] 37 | IOErr(std::io::Error), [INFO] [stderr] | ----- ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `VrotErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 37 - IOErr(std::io::Error), [INFO] [stderr] 37 + IOErr(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `vrot` (bin "vrot" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vrot-6fb56279d6ef0122) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vrot-e3c75d938a6dd762) [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" "77038b20ee430ed28696563db8f64c73b304045f53bcec52cf906802a317688b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77038b20ee430ed28696563db8f64c73b304045f53bcec52cf906802a317688b", kill_on_drop: false }` [INFO] [stdout] 77038b20ee430ed28696563db8f64c73b304045f53bcec52cf906802a317688b