[INFO] fetching crate rex-regex 0.1.4...
[INFO] testing rex-regex-0.1.4 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate rex-regex 0.1.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rex-regex 0.1.4 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rex-regex 0.1.4
[INFO] finished tweaking crates.io crate rex-regex 0.1.4
[INFO] tweaked toml for crates.io crate rex-regex 0.1.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552bc9c04b28a9c2403f2fede90e702fe57351a927c5c55d87e5f1e94e7ee0b6
[INFO] running `Command { std: "docker" "start" "-a" "552bc9c04b28a9c2403f2fede90e702fe57351a927c5c55d87e5f1e94e7ee0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552bc9c04b28a9c2403f2fede90e702fe57351a927c5c55d87e5f1e94e7ee0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552bc9c04b28a9c2403f2fede90e702fe57351a927c5c55d87e5f1e94e7ee0b6", kill_on_drop: false }`
[INFO] [stdout] 552bc9c04b28a9c2403f2fede90e702fe57351a927c5c55d87e5f1e94e7ee0b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a841d6fdda0668df3f13ff2dc82aecc2118fdd898fab3e5e13a66dfe6afa5a2
[INFO] running `Command { std: "docker" "start" "-a" "4a841d6fdda0668df3f13ff2dc82aecc2118fdd898fab3e5e13a66dfe6afa5a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rex-regex v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/matching.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashSet, HashMap};
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "4a841d6fdda0668df3f13ff2dc82aecc2118fdd898fab3e5e13a66dfe6afa5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a841d6fdda0668df3f13ff2dc82aecc2118fdd898fab3e5e13a66dfe6afa5a2", kill_on_drop: false }`
[INFO] [stdout] 4a841d6fdda0668df3f13ff2dc82aecc2118fdd898fab3e5e13a66dfe6afa5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d88d1251dcb7452f73b12d1821377b44752c339b7b5c01dfb897b5bc1ed798
[INFO] running `Command { std: "docker" "start" "-a" "f9d88d1251dcb7452f73b12d1821377b44752c339b7b5c01dfb897b5bc1ed798", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/matching.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashSet, HashMap};
[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]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rex-regex v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/matching.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashSet, HashMap};
[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]     Finished test [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "f9d88d1251dcb7452f73b12d1821377b44752c339b7b5c01dfb897b5bc1ed798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d88d1251dcb7452f73b12d1821377b44752c339b7b5c01dfb897b5bc1ed798", kill_on_drop: false }`
[INFO] [stdout] f9d88d1251dcb7452f73b12d1821377b44752c339b7b5c01dfb897b5bc1ed798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82b902905fdd4d65ee381a041d6bf4c97beb544b2bac54f300b707178dd4d323
[INFO] running `Command { std: "docker" "start" "-a" "82b902905fdd4d65ee381a041d6bf4c97beb544b2bac54f300b707178dd4d323", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/matching.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/matching.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rex_regex-f90fa2504355552e)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test matching::tests::test_match_simple ... ok
[INFO] [stdout] test parse::tests::test_parse_repetition_manual ... ok
[INFO] [stdout] test parse::tests::test_parse_res ... ok
[INFO] [stdout] test parse::tests::test_find_closing_paren ... ok
[INFO] [stdout] test tests::test_notorious_graph ... ok
[INFO] [stdout] test matcher::tests::test_char_matcher ... ok
[INFO] [stdout] test matcher::tests::test_str_matcher ... ok
[INFO] [stdout] test optimize::tests::test_repr_optimize ... ok
[INFO] [stdout] test parse::tests::test_parse_res_errors ... ok
[INFO] [stdout] test parse::tests::test_parse_manual2 ... ok
[INFO] [stdout] test parse::tests::test_parse_charset ... ok
[INFO] [stdout] test tests::test_submatches ... ok
[INFO] [stdout] test parse::tests::test_parse_subs ... ok
[INFO] [stdout] test tests::test_specific_repeat ... ok
[INFO] [stdout] test tests::test_simple_repeat ... ok
[INFO] [stdout] test tests::test_character_classes ... ok
[INFO] [stdout] test tests::test_alternate ... ok
[INFO] [stdout] test parse::tests::test_parse_manual ... ok
[INFO] [stdout] test tests::test_anchoring ... ok
[INFO] [stdout] test repr::tests::test_re1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rex-regex
[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] running `Command { std: "docker" "inspect" "82b902905fdd4d65ee381a041d6bf4c97beb544b2bac54f300b707178dd4d323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b902905fdd4d65ee381a041d6bf4c97beb544b2bac54f300b707178dd4d323", kill_on_drop: false }`
[INFO] [stdout] 82b902905fdd4d65ee381a041d6bf4c97beb544b2bac54f300b707178dd4d323