[INFO] fetching crate iregex 0.2.0...
[INFO] testing iregex-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate iregex 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate iregex 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iregex 0.2.0
[INFO] tweaked toml for crates.io crate iregex 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iregex 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iregex 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-ordinalize v4.3.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded enum-ordinalize-derive v4.3.1
[INFO] [stderr]   Downloaded iregex-automata v0.2.0
[INFO] [stderr]   Downloaded range-traits v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded mown v1.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded btree-slab v0.6.1
[INFO] [stderr]   Downloaded cc-traits v2.0.0
[INFO] [stderr]   Downloaded btree-range-map v0.7.2
[INFO] [stderr]   Downloaded syn v2.0.53
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fdd4c189933e37b545b64281c63960279ad5404c773ae1909c44ee6716cb8d
[INFO] running `Command { std: "docker" "start" "-a" "11fdd4c189933e37b545b64281c63960279ad5404c773ae1909c44ee6716cb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fdd4c189933e37b545b64281c63960279ad5404c773ae1909c44ee6716cb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fdd4c189933e37b545b64281c63960279ad5404c773ae1909c44ee6716cb8d", kill_on_drop: false }`
[INFO] [stdout] 11fdd4c189933e37b545b64281c63960279ad5404c773ae1909c44ee6716cb8d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11e175eb1744ede62db5b67be1b5e0661e9f571b65bb8ffc71bfe8d5605e9a9a
[INFO] running `Command { std: "docker" "start" "-a" "11e175eb1744ede62db5b67be1b5e0661e9f571b65bb8ffc71bfe8d5605e9a9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling mown v1.0.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]    Compiling iregex-automata v0.2.0
[INFO] [stderr]    Compiling iregex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "11e175eb1744ede62db5b67be1b5e0661e9f571b65bb8ffc71bfe8d5605e9a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e175eb1744ede62db5b67be1b5e0661e9f571b65bb8ffc71bfe8d5605e9a9a", kill_on_drop: false }`
[INFO] [stdout] 11e175eb1744ede62db5b67be1b5e0661e9f571b65bb8ffc71bfe8d5605e9a9a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063fc9338dd05b5eade2a3d71b2396ba9a48fee5ef67c8aee02bd1fd758b7a9e
[INFO] running `Command { std: "docker" "start" "-a" "063fc9338dd05b5eade2a3d71b2396ba9a48fee5ef67c8aee02bd1fd758b7a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling iregex-automata v0.2.0
[INFO] [stderr]    Compiling iregex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "063fc9338dd05b5eade2a3d71b2396ba9a48fee5ef67c8aee02bd1fd758b7a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063fc9338dd05b5eade2a3d71b2396ba9a48fee5ef67c8aee02bd1fd758b7a9e", kill_on_drop: false }`
[INFO] [stdout] 063fc9338dd05b5eade2a3d71b2396ba9a48fee5ef67c8aee02bd1fd758b7a9e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c37ef7fec63c6dc24f6d629baecb34a6ad5d41f2b1d6eb0267ba02eddb2bfbf
[INFO] running `Command { std: "docker" "start" "-a" "8c37ef7fec63c6dc24f6d629baecb34a6ad5d41f2b1d6eb0267ba02eddb2bfbf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iregex-26ec9cf0a558195a)
[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] [stderr]      Running tests/matching.rs (/opt/rustwide/target/debug/deps/matching-252de1f098e2e708)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test single_match_anchored ... ok
[INFO] [stdout] test no_matches_anchored ... ok
[INFO] [stdout] test many_matches_unanchored ... ok
[INFO] [stdout] test single_match_unanchored ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iregex
[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" "8c37ef7fec63c6dc24f6d629baecb34a6ad5d41f2b1d6eb0267ba02eddb2bfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c37ef7fec63c6dc24f6d629baecb34a6ad5d41f2b1d6eb0267ba02eddb2bfbf", kill_on_drop: false }`
[INFO] [stdout] 8c37ef7fec63c6dc24f6d629baecb34a6ad5d41f2b1d6eb0267ba02eddb2bfbf