[INFO] fetching crate fatality-proc-macro 0.1.1...
[INFO] checking fatality-proc-macro-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fatality-proc-macro 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fatality-proc-macro 0.1.1
[INFO] finished tweaking crates.io crate fatality-proc-macro 0.1.1
[INFO] tweaked toml for crates.io crate fatality-proc-macro 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fatality-proc-macro 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd226607c019a3ec0ecd6f99dd82e6a08ba829f028e600171b0a22f4f6596a01
[INFO] running `Command { std: "docker" "start" "-a" "dd226607c019a3ec0ecd6f99dd82e6a08ba829f028e600171b0a22f4f6596a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd226607c019a3ec0ecd6f99dd82e6a08ba829f028e600171b0a22f4f6596a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd226607c019a3ec0ecd6f99dd82e6a08ba829f028e600171b0a22f4f6596a01", kill_on_drop: false }`
[INFO] [stdout] dd226607c019a3ec0ecd6f99dd82e6a08ba829f028e600171b0a22f4f6596a01
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4f8d42db6052fa5f74c30d179ebdd31722fa00ee0a538f03ef3f266557c3b87
[INFO] running `Command { std: "docker" "start" "-a" "f4f8d42db6052fa5f74c30d179ebdd31722fa00ee0a538f03ef3f266557c3b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking file-guard v0.2.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking proc-macro-crate v3.3.0
[INFO] [stderr]     Checking fatality-proc-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_matches::assert_matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fatality-proc-macro` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f4f8d42db6052fa5f74c30d179ebdd31722fa00ee0a538f03ef3f266557c3b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f8d42db6052fa5f74c30d179ebdd31722fa00ee0a538f03ef3f266557c3b87", kill_on_drop: false }`
[INFO] [stdout] f4f8d42db6052fa5f74c30d179ebdd31722fa00ee0a538f03ef3f266557c3b87