[INFO] fetching crate flashtext 0.1.0...
[INFO] checking flashtext-0.1.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate flashtext 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate flashtext 0.1.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flashtext 0.1.0
[INFO] finished tweaking crates.io crate flashtext 0.1.0
[INFO] tweaked toml for crates.io crate flashtext 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ab46279e967803ffe1962dd46c8f260bcd8d37f5020a2676b6b6dc4587edd01
[INFO] running `Command { std: "docker" "start" "-a" "9ab46279e967803ffe1962dd46c8f260bcd8d37f5020a2676b6b6dc4587edd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab46279e967803ffe1962dd46c8f260bcd8d37f5020a2676b6b6dc4587edd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab46279e967803ffe1962dd46c8f260bcd8d37f5020a2676b6b6dc4587edd01", kill_on_drop: false }`
[INFO] [stdout] 9ab46279e967803ffe1962dd46c8f260bcd8d37f5020a2676b6b6dc4587edd01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605532aeca1867b1fd0d7da1feb68edc12ab5844f076aab6ae86f343fe2c3e49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "605532aeca1867b1fd0d7da1feb68edc12ab5844f076aab6ae86f343fe2c3e49", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking flashtext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0432]: unresolved import `flashtext::keywordprocessor`
[INFO] [stdout]  --> benches/flashtext_benchmark.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flashtext::keywordprocessor::KeywordProcessor;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^ could not find `keywordprocessor` in `flashtext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/flashtext_benchmark.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> benches/flashtext_benchmark.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 |     c.bench_function("use_regex", |b| b.iter((|| use_regex())));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flashtext`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "605532aeca1867b1fd0d7da1feb68edc12ab5844f076aab6ae86f343fe2c3e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605532aeca1867b1fd0d7da1feb68edc12ab5844f076aab6ae86f343fe2c3e49", kill_on_drop: false }`
[INFO] [stdout] 605532aeca1867b1fd0d7da1feb68edc12ab5844f076aab6ae86f343fe2c3e49