[INFO] fetching crate stringsext 2.3.3...
[INFO] testing stringsext-2.3.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate stringsext 2.3.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate stringsext 2.3.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a6431cba3672f7ddb48e7b29c7e61e025675b76cea43ee6a297c2c28121da66
[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" "3a6431cba3672f7ddb48e7b29c7e61e025675b76cea43ee6a297c2c28121da66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6431cba3672f7ddb48e7b29c7e61e025675b76cea43ee6a297c2c28121da66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6431cba3672f7ddb48e7b29c7e61e025675b76cea43ee6a297c2c28121da66", kill_on_drop: false }`
[INFO] [stdout] 3a6431cba3672f7ddb48e7b29c7e61e025675b76cea43ee6a297c2c28121da66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed28cbf605a67e29c0758e0366e70dabf2b32d13449e94ed79b2d80879357775
[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" "ed28cbf605a67e29c0758e0366e70dabf2b32d13449e94ed79b2d80879357775", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[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 42.58s
[INFO] running `Command { std: "docker" "inspect" "ed28cbf605a67e29c0758e0366e70dabf2b32d13449e94ed79b2d80879357775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed28cbf605a67e29c0758e0366e70dabf2b32d13449e94ed79b2d80879357775", kill_on_drop: false }`
[INFO] [stdout] ed28cbf605a67e29c0758e0366e70dabf2b32d13449e94ed79b2d80879357775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41b304e1a699f670318d92689256edadb3caf6b261f8b90ab93d864d92da356
[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" "f41b304e1a699f670318d92689256edadb3caf6b261f8b90ab93d864d92da356", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringsext v2.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "f41b304e1a699f670318d92689256edadb3caf6b261f8b90ab93d864d92da356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41b304e1a699f670318d92689256edadb3caf6b261f8b90ab93d864d92da356", kill_on_drop: false }`
[INFO] [stdout] f41b304e1a699f670318d92689256edadb3caf6b261f8b90ab93d864d92da356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 470893c60f43f2fdd6b89b6b92a38d99732ecec37bdd9f65417f9e183ee49ce0
[INFO] running `Command { std: "docker" "start" "-a" "470893c60f43f2fdd6b89b6b92a38d99732ecec37bdd9f65417f9e183ee49ce0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringsext-f0b96420d71f1932)
[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 helper::tests::test_split_s_grep_char ... ok
[INFO] [stdout] test helper::tests::test_split_s ... ok
[INFO] [stdout] test helper::tests::test_split_s_require_same_unicode_block ... ok
[INFO] [stdout] test helper::tests::test_starts_with_multibyte_char ... ok
[INFO] [stdout] test mission::tests::test_pass_filter ... ok
[INFO] [stdout] test mission::tests::test_enc_opt_parser ... ok
[INFO] [stdout] test scanner::tests::test_scan_buffer_split_multibyte ... ok
[INFO] [stdout] test scanner::tests::test_grep_in_scan ... ok
[INFO] [stdout] test scanner::tests::test_scan_store_in_scanner_state ... ok
[INFO] [stdout] test scanner::tests::test_to_short1 ... 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_split_str_iterator_and_store_in_scanner_state ... ok
[INFO] [stdout] test scanner::tests::test_to_short2 ... ok
[INFO] [stdout] test tests::test_merger ... 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" "470893c60f43f2fdd6b89b6b92a38d99732ecec37bdd9f65417f9e183ee49ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470893c60f43f2fdd6b89b6b92a38d99732ecec37bdd9f65417f9e183ee49ce0", kill_on_drop: false }`
[INFO] [stdout] 470893c60f43f2fdd6b89b6b92a38d99732ecec37bdd9f65417f9e183ee49ce0