[INFO] fetching crate fatality-proc-macro 0.1.1...
[INFO] checking fatality-proc-macro-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fatality-proc-macro 0.1.1 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fatality-proc-macro 0.1.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5557ff80d77fcb2547e71d3d54cbf839715acf57bd8e416fe0af9769b045992d
[INFO] running `Command { std: "docker" "start" "-a" "5557ff80d77fcb2547e71d3d54cbf839715acf57bd8e416fe0af9769b045992d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5557ff80d77fcb2547e71d3d54cbf839715acf57bd8e416fe0af9769b045992d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5557ff80d77fcb2547e71d3d54cbf839715acf57bd8e416fe0af9769b045992d", kill_on_drop: false }`
[INFO] [stdout] 5557ff80d77fcb2547e71d3d54cbf839715acf57bd8e416fe0af9769b045992d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d2d2077d9fd3d9c42cc62ec9e886b3d8c61d9b18f2a7ecd4abd0ed5d591a52
[INFO] running `Command { std: "docker" "start" "-a" "b0d2d2077d9fd3d9c42cc62ec9e886b3d8c61d9b18f2a7ecd4abd0ed5d591a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking file-guard v0.2.0
[INFO] [stderr]     Checking indexmap v2.10.0
[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" "b0d2d2077d9fd3d9c42cc62ec9e886b3d8c61d9b18f2a7ecd4abd0ed5d591a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2d2077d9fd3d9c42cc62ec9e886b3d8c61d9b18f2a7ecd4abd0ed5d591a52", kill_on_drop: false }`
[INFO] [stdout] b0d2d2077d9fd3d9c42cc62ec9e886b3d8c61d9b18f2a7ecd4abd0ed5d591a52