[INFO] fetching crate fast_symspell 0.1.4...
[INFO] checking fast_symspell-0.1.4 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate fast_symspell 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fast_symspell 0.1.4 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_symspell 0.1.4
[INFO] finished tweaking crates.io crate fast_symspell 0.1.4
[INFO] tweaked toml for crates.io crate fast_symspell 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate fast_symspell 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe6dff0cc622252788755e0087e6e6f829eaf24f82c888a238e08d48d7bc2eb
[INFO] running `Command { std: "docker" "start" "-a" "7fe6dff0cc622252788755e0087e6e6f829eaf24f82c888a238e08d48d7bc2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe6dff0cc622252788755e0087e6e6f829eaf24f82c888a238e08d48d7bc2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe6dff0cc622252788755e0087e6e6f829eaf24f82c888a238e08d48d7bc2eb", kill_on_drop: false }`
[INFO] [stdout] 7fe6dff0cc622252788755e0087e6e6f829eaf24f82c888a238e08d48d7bc2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 207b60aeec462b0c600fe450b9b1b306aacc44986c4b332ecf84259130e2d1dc
[INFO] running `Command { std: "docker" "start" "-a" "207b60aeec462b0c600fe450b9b1b306aacc44986c4b332ecf84259130e2d1dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking triple_accel v0.3.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking fast_symspell v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AHasher`
[INFO] [stdout]  --> src/symspell.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ahash::{AHasher, RandomState};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AHasher`
[INFO] [stdout]  --> src/symspell.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ahash::{AHasher, RandomState};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_symspell`
[INFO] [stdout] error[E0463]: can't find crate for `symspell`
[INFO] [stdout]  --> examples/demo.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate symspell;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "207b60aeec462b0c600fe450b9b1b306aacc44986c4b332ecf84259130e2d1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207b60aeec462b0c600fe450b9b1b306aacc44986c4b332ecf84259130e2d1dc", kill_on_drop: false }`
[INFO] [stdout] 207b60aeec462b0c600fe450b9b1b306aacc44986c4b332ecf84259130e2d1dc