[INFO] cloning repository https://github.com/getreu/stringsext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/getreu/stringsext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetreu%2Fstringsext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetreu%2Fstringsext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e25b9f9c742318cdd26d9baab56d88c163a2ae33
[INFO] testing getreu/stringsext against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetreu%2Fstringsext" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/getreu/stringsext on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/getreu/stringsext
[INFO] finished tweaking git repo https://github.com/getreu/stringsext
[INFO] tweaked toml for git repo https://github.com/getreu/stringsext written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/getreu/stringsext already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] d9789e5f0d4c865824522b83cc76a3970f59dbeb763c7a23c47c814e4ab4400a
[INFO] running `Command { std: "docker" "start" "-a" "d9789e5f0d4c865824522b83cc76a3970f59dbeb763c7a23c47c814e4ab4400a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9789e5f0d4c865824522b83cc76a3970f59dbeb763c7a23c47c814e4ab4400a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9789e5f0d4c865824522b83cc76a3970f59dbeb763c7a23c47c814e4ab4400a", kill_on_drop: false }`
[INFO] [stdout] d9789e5f0d4c865824522b83cc76a3970f59dbeb763c7a23c47c814e4ab4400a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c4b3fddf307cc9d132aaab4986d5385891d1dfed811d16d276bb316ad27fbe
[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" "49c4b3fddf307cc9d132aaab4986d5385891d1dfed811d16d276bb316ad27fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling stringsext v2.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.18s
[INFO] running `Command { std: "docker" "inspect" "49c4b3fddf307cc9d132aaab4986d5385891d1dfed811d16d276bb316ad27fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c4b3fddf307cc9d132aaab4986d5385891d1dfed811d16d276bb316ad27fbe", kill_on_drop: false }`
[INFO] [stdout] 49c4b3fddf307cc9d132aaab4986d5385891d1dfed811d16d276bb316ad27fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] e52b618447f0b813a017982b86bbf4b8634601f288f2bf5cfe8fe7e62a775422
[INFO] running `Command { std: "docker" "start" "-a" "e52b618447f0b813a017982b86bbf4b8634601f288f2bf5cfe8fe7e62a775422", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringsext v2.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "e52b618447f0b813a017982b86bbf4b8634601f288f2bf5cfe8fe7e62a775422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52b618447f0b813a017982b86bbf4b8634601f288f2bf5cfe8fe7e62a775422", kill_on_drop: false }`
[INFO] [stdout] e52b618447f0b813a017982b86bbf4b8634601f288f2bf5cfe8fe7e62a775422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8067dd4d4e99740f5025832fa14d2c0a0c445bde0fb8eb3b74b389797359c83e
[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" "8067dd4d4e99740f5025832fa14d2c0a0c445bde0fb8eb3b74b389797359c83e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringsext-83689112975baf01)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test helper::tests::test_as_str_unchecked_no_borrow_check ... ok
[INFO] [stdout] test finding_collection::tests::test_ascii_emulation ... ok
[INFO] [stdout] test helper::tests::test_char_count ... ok
[INFO] [stdout] test mission::tests::test_pass_filter ... ok
[INFO] [stdout] test helper::tests::test_starts_with_multibyte_char ... ok
[INFO] [stdout] test mission::tests::test_enc_opt_parser ... ok
[INFO] [stdout] test scanner::tests::test_to_short1 ... ok
[INFO] [stdout] test scanner::tests::test_to_short2 ... ok
[INFO] [stdout] test tests::test_merger ... ok
[INFO] [stdout] test options::tests::test_arg_parser ... ok
[INFO] [stdout] test scanner::tests::test_field_with_zeros ... ok
[INFO] [stdout] test scanner::tests::test_scan_input_buffer_chunks ... ok
[INFO] [stdout] test scanner::tests::test_scan_store_in_scanner_state ... ok
[INFO] [stdout] test helper::tests::test_split_s_require_same_unicode_block ... ok
[INFO] [stdout] test scanner::tests::test_grep_in_scan ... ok
[INFO] [stdout] test scanner::tests::test_split_str_iterator_and_store_in_scanner_state ... ok
[INFO] [stdout] test helper::tests::test_split_s_grep_char ... ok
[INFO] [stdout] test helper::tests::test_split_s ... ok
[INFO] [stdout] test scanner::tests::test_scan_buffer_split_multibyte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8067dd4d4e99740f5025832fa14d2c0a0c445bde0fb8eb3b74b389797359c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8067dd4d4e99740f5025832fa14d2c0a0c445bde0fb8eb3b74b389797359c83e", kill_on_drop: false }`
[INFO] [stdout] 8067dd4d4e99740f5025832fa14d2c0a0c445bde0fb8eb3b74b389797359c83e