[INFO] fetching crate stroka 1.0.0-beta.3...
[INFO] testing stroka-1.0.0-beta.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate stroka 1.0.0-beta.3 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate stroka 1.0.0-beta.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28837f5c91050a963fb0ccd806a57e8682b4034c8fd99e93adf07e8360271297
[INFO] running `Command { std: "docker" "start" "-a" "28837f5c91050a963fb0ccd806a57e8682b4034c8fd99e93adf07e8360271297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28837f5c91050a963fb0ccd806a57e8682b4034c8fd99e93adf07e8360271297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28837f5c91050a963fb0ccd806a57e8682b4034c8fd99e93adf07e8360271297", kill_on_drop: false }`
[INFO] [stdout] 28837f5c91050a963fb0ccd806a57e8682b4034c8fd99e93adf07e8360271297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2384fc35c22b24bd25db4d79088bb66d89f30fe86342efa64b42fb2f36402b3e
[INFO] running `Command { std: "docker" "start" "-a" "2384fc35c22b24bd25db4d79088bb66d89f30fe86342efa64b42fb2f36402b3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minivec v0.4.0
[INFO] [stderr]    Compiling str-buf v2.0.2
[INFO] [stderr]    Compiling stroka v1.0.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "2384fc35c22b24bd25db4d79088bb66d89f30fe86342efa64b42fb2f36402b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2384fc35c22b24bd25db4d79088bb66d89f30fe86342efa64b42fb2f36402b3e", kill_on_drop: false }`
[INFO] [stdout] 2384fc35c22b24bd25db4d79088bb66d89f30fe86342efa64b42fb2f36402b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24991d292d258e253be016cee6c3575fac649a0d5464267ad542e1978bf6f34e
[INFO] running `Command { std: "docker" "start" "-a" "24991d292d258e253be016cee6c3575fac649a0d5464267ad542e1978bf6f34e", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "24991d292d258e253be016cee6c3575fac649a0d5464267ad542e1978bf6f34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24991d292d258e253be016cee6c3575fac649a0d5464267ad542e1978bf6f34e", kill_on_drop: false }`
[INFO] [stdout] 24991d292d258e253be016cee6c3575fac649a0d5464267ad542e1978bf6f34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d767cb8374d792d4893b674256fc0e8573648bbeb7630fed31c89962663dd3c2
[INFO] running `Command { std: "docker" "start" "-a" "d767cb8374d792d4893b674256fc0e8573648bbeb7630fed31c89962663dd3c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stroka-72b2c0ffde51f020)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mut.rs (/opt/rustwide/target/debug/deps/mut-3bab0fce48c77e98)
[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_drain_from_heap_string ... ok
[INFO] [stdout] test should_drain_from_sso_string ... ok
[INFO] [stdout] test should_insert_at_any_valid_position ... ok
[INFO] [stdout] test should_not_reserve_within_sso_capacity ... ok
[INFO] [stdout] test should_have_format_macro ... 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_remove_range_within_heap_string ... ok
[INFO] [stdout] test should_remove_range_within_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_insert_outside_of_bound - 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_non_char_bound_remove_from_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_reverse_replace_range - should panic ... ok
[INFO] [stdout] test should_panic_on_remove_from_outside_of_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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/size.rs (/opt/rustwide/target/debug/deps/size-5b95e346bde35fa9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test should_become_heap_allocated_on_buffer_overflow ... ok
[INFO] [stdout] test should_clear_heap_string ... ok
[INFO] [stdout] test should_create_non_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_create_sso_string ... ok
[INFO] [stdout] test should_clear_sso_string ... ok
[INFO] [stdout] test should_create_not_reserve_heap_within_sso_capacity ... ok
[INFO] [stdout] test should_have_size_of_2_words ... 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_shrink_heap_capacity ... ok
[INFO] [stdout] test should_truncate_heap_string ... ok
[INFO] [stdout] test should_truncate_sso_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/str.rs (/opt/rustwide/target/debug/deps/str-992c3eb2305b1fbf)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test should_make_uppercase ... ok
[INFO] [stdout] test should_make_lowercase ... ok
[INFO] [stdout] test should_repeat ... ok
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/utf16.rs (/opt/rustwide/target/debug/deps/utf16-78e6cf5e7c465be4)
[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" "d767cb8374d792d4893b674256fc0e8573648bbeb7630fed31c89962663dd3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d767cb8374d792d4893b674256fc0e8573648bbeb7630fed31c89962663dd3c2", kill_on_drop: false }`
[INFO] [stdout] d767cb8374d792d4893b674256fc0e8573648bbeb7630fed31c89962663dd3c2