[INFO] fetching crate stroka 1.0.0-beta.2...
[INFO] testing stroka-1.0.0-beta.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stroka 1.0.0-beta.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stroka 1.0.0-beta.2 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 crates.io crate stroka 1.0.0-beta.2
[INFO] finished tweaking crates.io crate stroka 1.0.0-beta.2
[INFO] tweaked toml for crates.io crate stroka 1.0.0-beta.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 6cbf35f541e6cd07d265b4cab23a3c104fb780a640050ab37fe1f895cac65e35
[INFO] running `Command { std: "docker" "start" "-a" "6cbf35f541e6cd07d265b4cab23a3c104fb780a640050ab37fe1f895cac65e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cbf35f541e6cd07d265b4cab23a3c104fb780a640050ab37fe1f895cac65e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbf35f541e6cd07d265b4cab23a3c104fb780a640050ab37fe1f895cac65e35", kill_on_drop: false }`
[INFO] [stdout] 6cbf35f541e6cd07d265b4cab23a3c104fb780a640050ab37fe1f895cac65e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ad5fd03fe906be5b7406951cfe31e16c5c50e096cc0db32783373fac6d08be78
[INFO] running `Command { std: "docker" "start" "-a" "ad5fd03fe906be5b7406951cfe31e16c5c50e096cc0db32783373fac6d08be78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minivec v0.3.1
[INFO] [stderr]    Compiling str-buf v2.0.2
[INFO] [stderr]    Compiling stroka v1.0.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "ad5fd03fe906be5b7406951cfe31e16c5c50e096cc0db32783373fac6d08be78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5fd03fe906be5b7406951cfe31e16c5c50e096cc0db32783373fac6d08be78", kill_on_drop: false }`
[INFO] [stdout] ad5fd03fe906be5b7406951cfe31e16c5c50e096cc0db32783373fac6d08be78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] f870da494d411981c1b7a96fe84595451391b905256f422a00f679b57064fd11
[INFO] running `Command { std: "docker" "start" "-a" "f870da494d411981c1b7a96fe84595451391b905256f422a00f679b57064fd11", kill_on_drop: false }`
[INFO] [stderr]    Compiling stroka v1.0.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "f870da494d411981c1b7a96fe84595451391b905256f422a00f679b57064fd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f870da494d411981c1b7a96fe84595451391b905256f422a00f679b57064fd11", kill_on_drop: false }`
[INFO] [stdout] f870da494d411981c1b7a96fe84595451391b905256f422a00f679b57064fd11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c61fa0ab5f430cacf9dfb47fb3d2acc648314303506c140bccfdc6166c004787
[INFO] running `Command { std: "docker" "start" "-a" "c61fa0ab5f430cacf9dfb47fb3d2acc648314303506c140bccfdc6166c004787", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stroka-799be66906422bd9)
[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/mut.rs (/opt/rustwide/target/debug/deps/mut-d0f5b360d89b4150)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test should_drain_from_heap_string ... ok
[INFO] [stdout] test should_remove_from_heap_string ... ok
[INFO] [stdout] test should_have_format_macro ... ok
[INFO] [stdout] test should_push_various_chunks ... ok
[INFO] [stdout] test should_drain_from_sso_string ... ok
[INFO] [stdout] test should_not_reserve_within_sso_capacity ... ok
[INFO] [stdout] test should_insert_at_any_valid_position ... ok
[INFO] [stdout] test should_remove_range_within_sso_string ... ok
[INFO] [stdout] test should_remove_range_within_heap_string ... ok
[INFO] [stdout] test should_remove_from_sso_string ... ok
[INFO] [stdout] test should_replace_range_within_heap_string ... ok
[INFO] [stdout] test should_replace_range_within_sso_string ... ok
[INFO] [stdout] test should_retain_within_heap ... ok
[INFO] [stdout] test should_retain_within_sso ... ok
[INFO] [stdout] test should_panic_on_remove_from_outside_of_heap_string - should panic ... ok
[INFO] [stdout] test should_panic_on_reverse_replace_range - should panic ... ok
[INFO] [stdout] test should_panic_on_insert_outside_of_bound - should panic ... ok
[INFO] [stderr]      Running tests/size.rs (/opt/rustwide/target/debug/deps/size-21fd37b21aee6337)
[INFO] [stdout] test should_panic_on_non_char_bound_remove_from_heap_string - should panic ... ok
[INFO] [stdout] test should_panic_on_remove_from_outside_of_sso_string - should panic ... ok
[INFO] [stdout] test should_panic_on_non_char_bound_remove_from_sso_string - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test should_clear_sso_string ... ok
[INFO] [stdout] test should_become_heap_allocated_on_buffer_overflow ... ok
[INFO] [stdout] test should_create_not_reserve_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_truncate_heap_string ... ok
[INFO] [stdout] test should_create_non_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_truncate_sso_string ... ok
[INFO] [stdout] test should_not_truncate_above_heap_string_len ... ok
[INFO] [stdout] test should_not_truncate_above_sso_string_len ... ok
[INFO] [stdout] test should_create_sso_string ... ok
[INFO] [stdout] test should_have_size_of_2_words ... ok
[INFO] [stdout] test should_shrink_heap_capacity ... ok
[INFO] [stdout] test should_clear_heap_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/str.rs (/opt/rustwide/target/debug/deps/str-3dcde9f2290ec261)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test should_make_lowercase ... ok
[INFO] [stdout] test should_repeat ... ok
[INFO] [stdout] test should_make_uppercase ... ok
[INFO] [stderr]      Running tests/utf16.rs (/opt/rustwide/target/debug/deps/utf16-df88817d611f451e)
[INFO] [stdout] test should_panic_on_repeat_overflow - should panic ... ok
[INFO] [stderr]    Doc-tests stroka
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_convert_from_utf16 ... ok
[INFO] [stdout] test should_fail_from_invalid_utf16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "c61fa0ab5f430cacf9dfb47fb3d2acc648314303506c140bccfdc6166c004787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61fa0ab5f430cacf9dfb47fb3d2acc648314303506c140bccfdc6166c004787", kill_on_drop: false }`
[INFO] [stdout] c61fa0ab5f430cacf9dfb47fb3d2acc648314303506c140bccfdc6166c004787