[INFO] fetching crate rex-regex 0.1.4...
[INFO] testing rex-regex-0.1.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rex-regex 0.1.4 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate rex-regex 0.1.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8279162434f53159e93fdf9345933c05b45478c04cbf09f931c732dfc138f57e
[INFO] running `Command { std: "docker" "start" "-a" "8279162434f53159e93fdf9345933c05b45478c04cbf09f931c732dfc138f57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8279162434f53159e93fdf9345933c05b45478c04cbf09f931c732dfc138f57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8279162434f53159e93fdf9345933c05b45478c04cbf09f931c732dfc138f57e", kill_on_drop: false }`
[INFO] [stdout] 8279162434f53159e93fdf9345933c05b45478c04cbf09f931c732dfc138f57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836399d1560204756a4c5c7f4a4154bfe30de24d09281f0abde9f88c5cc5a430
[INFO] running `Command { std: "docker" "start" "-a" "836399d1560204756a4c5c7f4a4154bfe30de24d09281f0abde9f88c5cc5a430", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.30s
[INFO] running `Command { std: "docker" "inspect" "836399d1560204756a4c5c7f4a4154bfe30de24d09281f0abde9f88c5cc5a430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836399d1560204756a4c5c7f4a4154bfe30de24d09281f0abde9f88c5cc5a430", kill_on_drop: false }`
[INFO] [stdout] 836399d1560204756a4c5c7f4a4154bfe30de24d09281f0abde9f88c5cc5a430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9cb56e8dd9af517b164db2b1c1de7adf1ba97aef52652813c1c2172bfb56751
[INFO] running `Command { std: "docker" "start" "-a" "a9cb56e8dd9af517b164db2b1c1de7adf1ba97aef52652813c1c2172bfb56751", kill_on_drop: false }`
[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] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 11.70s
[INFO] running `Command { std: "docker" "inspect" "a9cb56e8dd9af517b164db2b1c1de7adf1ba97aef52652813c1c2172bfb56751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cb56e8dd9af517b164db2b1c1de7adf1ba97aef52652813c1c2172bfb56751", kill_on_drop: false }`
[INFO] [stdout] a9cb56e8dd9af517b164db2b1c1de7adf1ba97aef52652813c1c2172bfb56751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e27d13f8ccc7ab8801c98adac9ee7c7b472305e30f5871c5df861facdf0f202
[INFO] running `Command { std: "docker" "start" "-a" "7e27d13f8ccc7ab8801c98adac9ee7c7b472305e30f5871c5df861facdf0f202", 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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rex_regex-71abdfc5d5f671e0)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test matcher::tests::test_str_matcher ... ok
[INFO] [stdout] test matcher::tests::test_char_matcher ... ok
[INFO] [stdout] test optimize::tests::test_repr_optimize ... ok
[INFO] [stdout] test parse::tests::test_find_closing_paren ... ok
[INFO] [stdout] test matching::tests::test_match_simple ... ok
[INFO] [stdout] test parse::tests::test_parse_charset ... ok
[INFO] [stdout] test parse::tests::test_parse_manual2 ... ok
[INFO] [stdout] test parse::tests::test_parse_manual ... 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_parse_res_errors ... ok
[INFO] [stdout] test parse::tests::test_parse_subs ... ok
[INFO] [stdout] test tests::test_alternate ... ok
[INFO] [stdout] test repr::tests::test_re1 ... ok
[INFO] [stdout] test tests::test_anchoring ... ok
[INFO] [stdout] test tests::test_character_classes ... ok
[INFO] [stdout] test tests::test_notorious_graph ... ok
[INFO] [stdout] test tests::test_simple_repeat ... ok
[INFO] [stdout] test tests::test_submatches ... ok
[INFO] [stdout] test tests::test_specific_repeat ... 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" "7e27d13f8ccc7ab8801c98adac9ee7c7b472305e30f5871c5df861facdf0f202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e27d13f8ccc7ab8801c98adac9ee7c7b472305e30f5871c5df861facdf0f202", kill_on_drop: false }`
[INFO] [stdout] 7e27d13f8ccc7ab8801c98adac9ee7c7b472305e30f5871c5df861facdf0f202
