[INFO] fetching crate match_err 0.1.9...
[INFO] testing match_err-0.1.9 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate match_err 0.1.9 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate match_err 0.1.9 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65a1bc2269cefc6e9df093a8a64bb0fd0904d0924a9ed1896e30ef02a711467
[INFO] running `Command { std: "docker" "start" "-a" "f65a1bc2269cefc6e9df093a8a64bb0fd0904d0924a9ed1896e30ef02a711467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65a1bc2269cefc6e9df093a8a64bb0fd0904d0924a9ed1896e30ef02a711467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65a1bc2269cefc6e9df093a8a64bb0fd0904d0924a9ed1896e30ef02a711467", kill_on_drop: false }`
[INFO] [stdout] f65a1bc2269cefc6e9df093a8a64bb0fd0904d0924a9ed1896e30ef02a711467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be0c6ff49fbd684be379f21a28559012eb13632fb4c65a9c269da7d737c0452
[INFO] running `Command { std: "docker" "start" "-a" "5be0c6ff49fbd684be379f21a28559012eb13632fb4c65a9c269da7d737c0452", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "5be0c6ff49fbd684be379f21a28559012eb13632fb4c65a9c269da7d737c0452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be0c6ff49fbd684be379f21a28559012eb13632fb4c65a9c269da7d737c0452", kill_on_drop: false }`
[INFO] [stdout] 5be0c6ff49fbd684be379f21a28559012eb13632fb4c65a9c269da7d737c0452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a44bd96521514235f63ee742201ff8d5192b213b28bbeb6f4af5cf842f2cb34
[INFO] running `Command { std: "docker" "start" "-a" "7a44bd96521514235f63ee742201ff8d5192b213b28bbeb6f4af5cf842f2cb34", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling match_err v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "7a44bd96521514235f63ee742201ff8d5192b213b28bbeb6f4af5cf842f2cb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a44bd96521514235f63ee742201ff8d5192b213b28bbeb6f4af5cf842f2cb34", kill_on_drop: false }`
[INFO] [stdout] 7a44bd96521514235f63ee742201ff8d5192b213b28bbeb6f4af5cf842f2cb34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bd0ba1713d630ce20f03f8bf51ce232b2a3a54b2d5524a10fc6ea6a8794c6ff
[INFO] running `Command { std: "docker" "start" "-a" "1bd0ba1713d630ce20f03f8bf51ce232b2a3a54b2d5524a10fc6ea6a8794c6ff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_err-9383a13be1548f4b)
[INFO] [stderr]    Doc-tests match_err
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - match_err (line 43) ... ok
[INFO] [stdout] test src/lib.rs - match_if_err (line 95) ... ok
[INFO] [stdout] test src/lib.rs - assert_error (line 178) ... ok
[INFO] [stdout] test src/lib.rs - assert_if_error (line 143) ... 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] 10 |             ...
[INFO] [stdout]    |             ^^^ not a valid pattern
[INFO] [stdout]    |
[INFO] [stdout] help: for a rest pattern, use `..` instead of `...`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             ...
[INFO] [stdout] 10 +             ..
[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] 7 | if let Err(e) = err {
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]  --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:566:4
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named tuple variant `Err` defined here
[INFO] [stdout] help: a tuple variant with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 7 - if let Err(e) = err {
[INFO] [stdout] 7 + if let Err(e) = Err {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Error` in this scope
[INFO] [stdout]  --> src/lib.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if let Some(e) = e.downcast_ref::<Error>() {
[INFO] [stdout]   |                                       ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 6 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 6 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 6 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 6 + 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] 10 |             ...
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add a body after the pattern
[INFO] [stdout]    |
[INFO] [stdout] 10 |             ... => { todo!() }
[INFO] [stdout]    |                 ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: `..` patterns are not allowed here
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             ...
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: only allowed in tuple, tuple struct, and slice patterns
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if let Some(e) = e.downcast_ref::<Error>() {
[INFO] [stdout]   |                      ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[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 0.97s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1bd0ba1713d630ce20f03f8bf51ce232b2a3a54b2d5524a10fc6ea6a8794c6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd0ba1713d630ce20f03f8bf51ce232b2a3a54b2d5524a10fc6ea6a8794c6ff", kill_on_drop: false }`
[INFO] [stdout] 1bd0ba1713d630ce20f03f8bf51ce232b2a3a54b2d5524a10fc6ea6a8794c6ff
