[INFO] fetching crate stringsext 2.3.3...
[INFO] testing stringsext-2.3.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stringsext 2.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stringsext 2.3.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stringsext 2.3.3
[INFO] finished tweaking crates.io crate stringsext 2.3.3
[INFO] tweaked toml for crates.io crate stringsext 2.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate stringsext 2.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8dcc867839e4c386af9f43f22cbbc6b8aee4398c72c4dbe9fa2236f3007af1
[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" "ca8dcc867839e4c386af9f43f22cbbc6b8aee4398c72c4dbe9fa2236f3007af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8dcc867839e4c386af9f43f22cbbc6b8aee4398c72c4dbe9fa2236f3007af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8dcc867839e4c386af9f43f22cbbc6b8aee4398c72c4dbe9fa2236f3007af1", kill_on_drop: false }`
[INFO] [stdout] ca8dcc867839e4c386af9f43f22cbbc6b8aee4398c72c4dbe9fa2236f3007af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] dd990534f4e506fb86edaead72b6c565bc73bca103af38d4dad5a46bea64916f
[INFO] running `Command { std: "docker" "start" "-a" "dd990534f4e506fb86edaead72b6c565bc73bca103af38d4dad5a46bea64916f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling stringsext v2.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "dd990534f4e506fb86edaead72b6c565bc73bca103af38d4dad5a46bea64916f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd990534f4e506fb86edaead72b6c565bc73bca103af38d4dad5a46bea64916f", kill_on_drop: false }`
[INFO] [stdout] dd990534f4e506fb86edaead72b6c565bc73bca103af38d4dad5a46bea64916f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f512a611f8a6f7f68c68e33ab265ca0ac62d5e5164b838f8e19b619cabc00700
[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" "f512a611f8a6f7f68c68e33ab265ca0ac62d5e5164b838f8e19b619cabc00700", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringsext v2.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "f512a611f8a6f7f68c68e33ab265ca0ac62d5e5164b838f8e19b619cabc00700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f512a611f8a6f7f68c68e33ab265ca0ac62d5e5164b838f8e19b619cabc00700", kill_on_drop: false }`
[INFO] [stdout] f512a611f8a6f7f68c68e33ab265ca0ac62d5e5164b838f8e19b619cabc00700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d956c2a19201d281bb565c17318a83135ed3c0f0ad1fe8c31b97ac77f9de90a7
[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" "d956c2a19201d281bb565c17318a83135ed3c0f0ad1fe8c31b97ac77f9de90a7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stringsext-05ed1c76983a642f
[INFO] [stdout] test helper::tests::test_char_count ... ok
[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_split_s_grep_char ... ok
[INFO] [stdout] test helper::tests::test_starts_with_multibyte_char ... ok
[INFO] [stdout] test mission::tests::test_pass_filter ... ok
[INFO] [stdout] test helper::tests::test_split_s_require_same_unicode_block ... ok
[INFO] [stdout] test mission::tests::test_enc_opt_parser ... ok
[INFO] [stdout] test helper::tests::test_split_s ... ok
[INFO] [stdout] test scanner::tests::test_split_str_iterator_and_store_in_scanner_state ... ok
[INFO] [stdout] test scanner::tests::test_scan_input_buffer_chunks ... ok
[INFO] [stdout] test scanner::tests::test_scan_buffer_split_multibyte ... ok
[INFO] [stdout] test scanner::tests::test_scan_store_in_scanner_state ... ok
[INFO] [stdout] test scanner::tests::test_grep_in_scan ... ok
[INFO] [stdout] test scanner::tests::test_field_with_zeros ... ok
[INFO] [stdout] test scanner::tests::test_to_short2 ... ok
[INFO] [stdout] test tests::test_merger ... ok
[INFO] [stdout] test scanner::tests::test_to_short1 ... ok
[INFO] [stdout] test options::tests::test_arg_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d956c2a19201d281bb565c17318a83135ed3c0f0ad1fe8c31b97ac77f9de90a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d956c2a19201d281bb565c17318a83135ed3c0f0ad1fe8c31b97ac77f9de90a7", kill_on_drop: false }`
[INFO] [stdout] d956c2a19201d281bb565c17318a83135ed3c0f0ad1fe8c31b97ac77f9de90a7