[INFO] fetching crate match_err 0.1.9...
[INFO] testing match_err-0.1.9 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate match_err 0.1.9 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate match_err 0.1.9 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d1d763a6d7986e3a5da65e30ff2439c534f059538240fe464004b2933788b3
[INFO] running `Command { std: "docker" "start" "-a" "31d1d763a6d7986e3a5da65e30ff2439c534f059538240fe464004b2933788b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d1d763a6d7986e3a5da65e30ff2439c534f059538240fe464004b2933788b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d1d763a6d7986e3a5da65e30ff2439c534f059538240fe464004b2933788b3", kill_on_drop: false }`
[INFO] [stdout] 31d1d763a6d7986e3a5da65e30ff2439c534f059538240fe464004b2933788b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e8cbd512ba1214bb1b9c5d581d93d19ab0c2d8cc48bbcd5150943df5051e0f4
[INFO] running `Command { std: "docker" "start" "-a" "0e8cbd512ba1214bb1b9c5d581d93d19ab0c2d8cc48bbcd5150943df5051e0f4", 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 0.09s
[INFO] running `Command { std: "docker" "inspect" "0e8cbd512ba1214bb1b9c5d581d93d19ab0c2d8cc48bbcd5150943df5051e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8cbd512ba1214bb1b9c5d581d93d19ab0c2d8cc48bbcd5150943df5051e0f4", kill_on_drop: false }`
[INFO] [stdout] 0e8cbd512ba1214bb1b9c5d581d93d19ab0c2d8cc48bbcd5150943df5051e0f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5283137ae74788d67c1ac6ccdf4148b5f94c8353d1cb3b92b5c08f72f76b5bb3
[INFO] running `Command { std: "docker" "start" "-a" "5283137ae74788d67c1ac6ccdf4148b5f94c8353d1cb3b92b5c08f72f76b5bb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling match_err v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "5283137ae74788d67c1ac6ccdf4148b5f94c8353d1cb3b92b5c08f72f76b5bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5283137ae74788d67c1ac6ccdf4148b5f94c8353d1cb3b92b5c08f72f76b5bb3", kill_on_drop: false }`
[INFO] [stdout] 5283137ae74788d67c1ac6ccdf4148b5f94c8353d1cb3b92b5c08f72f76b5bb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c48b1d18eba6b00a4ad9cafb39e398732b16273efe4924f99ebfa51352908ef
[INFO] running `Command { std: "docker" "start" "-a" "3c48b1d18eba6b00a4ad9cafb39e398732b16273efe4924f99ebfa51352908ef", 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-9383a13be1548f4b)
[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]    Doc-tests match_err
[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_if_error (line 143) ... ok
[INFO] [stdout] test src/lib.rs - assert_error (line 178) ... 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/0d162b25edd5bf0dba9a22e83b614f1113e90474/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 0.62s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3c48b1d18eba6b00a4ad9cafb39e398732b16273efe4924f99ebfa51352908ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c48b1d18eba6b00a4ad9cafb39e398732b16273efe4924f99ebfa51352908ef", kill_on_drop: false }`
[INFO] [stdout] 3c48b1d18eba6b00a4ad9cafb39e398732b16273efe4924f99ebfa51352908ef
