[INFO] fetching crate stroka 1.0.0-beta.3...
[INFO] testing stroka-1.0.0-beta.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate stroka 1.0.0-beta.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stroka 1.0.0-beta.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stroka 1.0.0-beta.3
[INFO] finished tweaking crates.io crate stroka 1.0.0-beta.3
[INFO] tweaked toml for crates.io crate stroka 1.0.0-beta.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e782c8905604d0998bc52edc33e190273e56f6b94eb26787a9683d5ad14dbc14
[INFO] running `Command { std: "docker" "start" "-a" "e782c8905604d0998bc52edc33e190273e56f6b94eb26787a9683d5ad14dbc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e782c8905604d0998bc52edc33e190273e56f6b94eb26787a9683d5ad14dbc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e782c8905604d0998bc52edc33e190273e56f6b94eb26787a9683d5ad14dbc14", kill_on_drop: false }`
[INFO] [stdout] e782c8905604d0998bc52edc33e190273e56f6b94eb26787a9683d5ad14dbc14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] f0dcc53cb8e22cbade5d6ee44eaf4ceaab57bfc520612540b130c36c65c793c0
[INFO] running `Command { std: "docker" "start" "-a" "f0dcc53cb8e22cbade5d6ee44eaf4ceaab57bfc520612540b130c36c65c793c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling minivec v0.4.0
[INFO] [stderr]    Compiling str-buf v2.0.4
[INFO] [stderr]    Compiling stroka v1.0.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "f0dcc53cb8e22cbade5d6ee44eaf4ceaab57bfc520612540b130c36c65c793c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dcc53cb8e22cbade5d6ee44eaf4ceaab57bfc520612540b130c36c65c793c0", kill_on_drop: false }`
[INFO] [stdout] f0dcc53cb8e22cbade5d6ee44eaf4ceaab57bfc520612540b130c36c65c793c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9b64915dafc51a076be999993ab6e7008584f85caf6421c687d292a1d9e42681
[INFO] running `Command { std: "docker" "start" "-a" "9b64915dafc51a076be999993ab6e7008584f85caf6421c687d292a1d9e42681", kill_on_drop: false }`
[INFO] [stderr]    Compiling stroka v1.0.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/stroka-2ce703b970e4a480)
[INFO] [stderr]   Executable tests/mut.rs (/opt/rustwide/target/debug/deps/mut-e42729c46285a413)
[INFO] [stderr]   Executable tests/size.rs (/opt/rustwide/target/debug/deps/size-79e21feaa43b2766)
[INFO] [stderr]   Executable tests/str.rs (/opt/rustwide/target/debug/deps/str-7b78f49e8e182ee4)
[INFO] [stderr]   Executable tests/utf16.rs (/opt/rustwide/target/debug/deps/utf16-726cf36c95bab46e)
[INFO] running `Command { std: "docker" "inspect" "9b64915dafc51a076be999993ab6e7008584f85caf6421c687d292a1d9e42681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b64915dafc51a076be999993ab6e7008584f85caf6421c687d292a1d9e42681", kill_on_drop: false }`
[INFO] [stdout] 9b64915dafc51a076be999993ab6e7008584f85caf6421c687d292a1d9e42681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 1a646e10da91750023484e14934f69e89781f497b99cf55d3227db1a99c2a4d1
[INFO] running `Command { std: "docker" "start" "-a" "1a646e10da91750023484e14934f69e89781f497b99cf55d3227db1a99c2a4d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stroka-2ce703b970e4a480)
[INFO] [stderr]      Running tests/mut.rs (/opt/rustwide/target/debug/deps/mut-e42729c46285a413)
[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] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test should_have_format_macro ... ok
[INFO] [stdout] test should_not_reserve_within_sso_capacity ... ok
[INFO] [stdout] test should_remove_range_within_heap_string ... ok
[INFO] [stdout] test should_replace_range_within_heap_string ... ok
[INFO] [stdout] test should_insert_at_any_valid_position ... ok
[INFO] [stdout] test should_replace_range_within_sso_string ... ok
[INFO] [stdout] test should_retain_within_sso ... ok
[INFO] [stdout] test should_retain_within_heap ... ok
[INFO] [stdout] test should_remove_range_within_sso_string ... ok
[INFO] [stdout] test should_drain_from_sso_string ... ok
[INFO] [stdout] test should_push_various_chunks ... ok
[INFO] [stdout] test should_remove_from_heap_string ... ok
[INFO] [stdout] test should_remove_from_sso_string ... ok
[INFO] [stdout] test should_drain_from_heap_string ... ok
[INFO] [stdout] test should_panic_on_remove_from_outside_of_sso_string - should panic ... ok
[INFO] [stdout] test should_panic_on_remove_from_outside_of_heap_string - should panic ... ok
[INFO] [stdout] test should_panic_on_non_char_bound_remove_from_sso_string - should panic ... ok
[INFO] [stdout] test should_panic_on_non_char_bound_remove_from_heap_string - should panic ... ok
[INFO] [stdout] test should_panic_on_insert_outside_of_bound - should panic ... ok
[INFO] [stdout] test should_panic_on_reverse_replace_range - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/size.rs (/opt/rustwide/target/debug/deps/size-79e21feaa43b2766)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test should_clear_heap_string ... ok
[INFO] [stdout] test should_become_heap_allocated_on_buffer_overflow ... ok
[INFO] [stderr]      Running tests/str.rs (/opt/rustwide/target/debug/deps/str-7b78f49e8e182ee4)
[INFO] [stdout] test should_shrink_heap_capacity ... ok
[INFO] [stdout] test should_create_non_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_clear_sso_string ... ok
[INFO] [stdout] test should_not_truncate_above_heap_string_len ... ok
[INFO] [stdout] test should_have_size_of_2_words ... ok
[INFO] [stdout] test should_create_not_reserve_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_create_sso_string ... ok
[INFO] [stdout] test should_truncate_sso_string ... ok
[INFO] [stdout] test should_not_truncate_above_sso_string_len ... ok
[INFO] [stdout] test should_truncate_heap_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test should_repeat ... ok
[INFO] [stdout] test should_make_uppercase ... ok
[INFO] [stdout] test should_make_lowercase ... ok
[INFO] [stderr]      Running tests/utf16.rs (/opt/rustwide/target/debug/deps/utf16-726cf36c95bab46e)
[INFO] [stdout] test should_panic_on_repeat_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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] [stderr]    Doc-tests stroka
[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" "1a646e10da91750023484e14934f69e89781f497b99cf55d3227db1a99c2a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a646e10da91750023484e14934f69e89781f497b99cf55d3227db1a99c2a4d1", kill_on_drop: false }`
[INFO] [stdout] 1a646e10da91750023484e14934f69e89781f497b99cf55d3227db1a99c2a4d1