[INFO] fetching crate match_err 0.1.9... [INFO] testing match_err-0.1.9 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate match_err 0.1.9 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate match_err 0.1.9 [INFO] finished tweaking crates.io crate match_err 0.1.9 [INFO] tweaked toml for crates.io crate match_err 0.1.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate match_err 0.1.9 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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f0958ff3fde36b8afa68198917d94bacefc47459fa0d234d6201b3a82f15a23b [INFO] running `Command { std: "docker" "start" "-a" "f0958ff3fde36b8afa68198917d94bacefc47459fa0d234d6201b3a82f15a23b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0958ff3fde36b8afa68198917d94bacefc47459fa0d234d6201b3a82f15a23b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0958ff3fde36b8afa68198917d94bacefc47459fa0d234d6201b3a82f15a23b", kill_on_drop: false }` [INFO] [stdout] f0958ff3fde36b8afa68198917d94bacefc47459fa0d234d6201b3a82f15a23b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 170c96a3a6e3c650e6db8da370dd038cbbc69d14304889af19e57cf26b03c389 [INFO] running `Command { std: "docker" "start" "-a" "170c96a3a6e3c650e6db8da370dd038cbbc69d14304889af19e57cf26b03c389", kill_on_drop: false }` [INFO] [stderr] Compiling match_err v0.1.9 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "170c96a3a6e3c650e6db8da370dd038cbbc69d14304889af19e57cf26b03c389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "170c96a3a6e3c650e6db8da370dd038cbbc69d14304889af19e57cf26b03c389", kill_on_drop: false }` [INFO] [stdout] 170c96a3a6e3c650e6db8da370dd038cbbc69d14304889af19e57cf26b03c389 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a6a4d725e00f0ef0dbd1480ff4dfad21bc89ecd82c79a41068b19affbc397f82 [INFO] running `Command { std: "docker" "start" "-a" "a6a4d725e00f0ef0dbd1480ff4dfad21bc89ecd82c79a41068b19affbc397f82", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling match_err v0.1.9 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "a6a4d725e00f0ef0dbd1480ff4dfad21bc89ecd82c79a41068b19affbc397f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6a4d725e00f0ef0dbd1480ff4dfad21bc89ecd82c79a41068b19affbc397f82", kill_on_drop: false }` [INFO] [stdout] a6a4d725e00f0ef0dbd1480ff4dfad21bc89ecd82c79a41068b19affbc397f82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c823ce5e017e9550aa188a50cd4d8a1488be5812e7857ae578a87906d0ef5d7d [INFO] running `Command { std: "docker" "start" "-a" "c823ce5e017e9550aa188a50cd4d8a1488be5812e7857ae578a87906d0ef5d7d", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_err-e22eca7982547296) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests match_err [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 6) ... FAILED [INFO] [stdout] test src/lib.rs - assert_if_error (line 143) ... ok [INFO] [stdout] test src/lib.rs - match_if_err (line 95) ... ok [INFO] [stdout] test src/lib.rs - match_err (line 43) ... ok [INFO] [stdout] test src/lib.rs - assert_error (line 178) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 6) stdout ---- [INFO] [stdout] error: unexpected `...` [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 6 | ... [INFO] [stdout] | ^^^ not a valid pattern [INFO] [stdout] | [INFO] [stdout] help: for a rest pattern, use `..` instead of `...` [INFO] [stdout] | [INFO] [stdout] 6 - ... [INFO] [stdout] 6 + .. [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `err` in this scope [INFO] [stdout] --> src/lib.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 3 | if let Err(e) = err { [INFO] [stdout] | ^^^ help: a tuple variant with a similar name exists: `Err` [INFO] [stdout] | [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:559:5 [INFO] [stdout] | [INFO] [stdout] = note: similarly named tuple variant `Err` defined here [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Error` in this scope [INFO] [stdout] --> src/lib.rs:8:39 [INFO] [stdout] | [INFO] [stdout] 4 | if let Some(e) = e.downcast_ref::() { [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 2 + use std::error::Error; [INFO] [stdout] | [INFO] [stdout] 2 + use std::fmt::Error; [INFO] [stdout] | [INFO] [stdout] 2 + use std::io::Error; [INFO] [stdout] | [INFO] [stdout] 2 + use core::error::Error; [INFO] [stdout] | [INFO] [stdout] = and 2 other candidates [INFO] [stdout] [INFO] [stdout] error: `match` arm with no body [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 6 | ... [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: add a body after the pattern [INFO] [stdout] | [INFO] [stdout] 6 | ... => { todo!() } [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] error: `..` patterns are not allowed here [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 6 | ... [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: only allowed in tuple, tuple struct, and slice patterns [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425. [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 6) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "c823ce5e017e9550aa188a50cd4d8a1488be5812e7857ae578a87906d0ef5d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c823ce5e017e9550aa188a50cd4d8a1488be5812e7857ae578a87906d0ef5d7d", kill_on_drop: false }` [INFO] [stdout] c823ce5e017e9550aa188a50cd4d8a1488be5812e7857ae578a87906d0ef5d7d