[INFO] fetching crate u8char 0.3.0...
[INFO] testing u8char-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate u8char 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate u8char 0.3.0
[INFO] finished tweaking crates.io crate u8char 0.3.0
[INFO] tweaked toml for crates.io crate u8char 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate u8char 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate u8char 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f90d79b4a685581ad9fae959031525cef7b41d31f3f0aaaacd49195b641670
[INFO] running `Command { std: "docker" "start" "-a" "66f90d79b4a685581ad9fae959031525cef7b41d31f3f0aaaacd49195b641670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f90d79b4a685581ad9fae959031525cef7b41d31f3f0aaaacd49195b641670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f90d79b4a685581ad9fae959031525cef7b41d31f3f0aaaacd49195b641670", kill_on_drop: false }`
[INFO] [stdout] 66f90d79b4a685581ad9fae959031525cef7b41d31f3f0aaaacd49195b641670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f7cf98007108643b291a3f63ff4f9c0cb4a26042f58be8b1a60e545ee3e096
[INFO] running `Command { std: "docker" "start" "-a" "71f7cf98007108643b291a3f63ff4f9c0cb4a26042f58be8b1a60e545ee3e096", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `dangling_pointers_from_locals`
[INFO] [stdout]    --> src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[allow(dangling_pointers_from_locals)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `dangling_pointers_from_temporaries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "71f7cf98007108643b291a3f63ff4f9c0cb4a26042f58be8b1a60e545ee3e096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f7cf98007108643b291a3f63ff4f9c0cb4a26042f58be8b1a60e545ee3e096", kill_on_drop: false }`
[INFO] [stdout] 71f7cf98007108643b291a3f63ff4f9c0cb4a26042f58be8b1a60e545ee3e096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d0800d9ceddeeb0cc2c97fb87d92cb96c8ae4e80aae829852ce95e25ffd955
[INFO] running `Command { std: "docker" "start" "-a" "19d0800d9ceddeeb0cc2c97fb87d92cb96c8ae4e80aae829852ce95e25ffd955", kill_on_drop: false }`
[INFO] [stdout] warning: unknown lint: `dangling_pointers_from_locals`
[INFO] [stdout]    --> src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[allow(dangling_pointers_from_locals)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `dangling_pointers_from_temporaries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `dangling_pointers_from_locals`
[INFO] [stdout]    --> src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[allow(dangling_pointers_from_locals)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `dangling_pointers_from_temporaries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "19d0800d9ceddeeb0cc2c97fb87d92cb96c8ae4e80aae829852ce95e25ffd955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d0800d9ceddeeb0cc2c97fb87d92cb96c8ae4e80aae829852ce95e25ffd955", kill_on_drop: false }`
[INFO] [stdout] 19d0800d9ceddeeb0cc2c97fb87d92cb96c8ae4e80aae829852ce95e25ffd955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6135e22578ec212ef9977d7c7a8bd4a6fe335c80e9c570efe5b516d1dd576fdd
[INFO] running `Command { std: "docker" "start" "-a" "6135e22578ec212ef9977d7c7a8bd4a6fe335c80e9c570efe5b516d1dd576fdd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test iter::test_from_bytes ... ok
[INFO] [stdout] test iter::test_from_str ... ok
[INFO] [stdout] test tests::from_bytes_prefix ... ok
[INFO] [stdout] test tests::from_char ... ok
[INFO] [stdout] test tests::len_by_first_byte_consistent ... ok
[INFO] [stdout] test tests::split_bytes_at_first_char ... ok
[INFO] [stdout] test tests::str_u8char_iter ... ok
[INFO] [stdout] test tests::utf8_byte_role ... ok
[INFO] [stdout] test stream::test_u8charstream ... ok
[INFO] [stdout] test tests::char_roundtrip ... ok
[INFO] [stderr] warning: unknown lint: `dangling_pointers_from_locals`
[INFO] [stderr]    --> src/lib.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |     #[allow(dangling_pointers_from_locals)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `dangling_pointers_from_temporaries`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `u8char` (lib) generated 1 warning
[INFO] [stderr] warning: `u8char` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u8char-658c7e4bbec52b17)
[INFO] [stdout] test tests::unstable_niches_value_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests u8char
[INFO] [stdout] 
[INFO] [stderr] warning: unknown lint: `dangling_pointers_from_locals`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:204:13
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 204 |     #[allow(dangling_pointers_from_locals)]
[INFO] [stdout] 
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `dangling_pointers_from_temporaries`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "6135e22578ec212ef9977d7c7a8bd4a6fe335c80e9c570efe5b516d1dd576fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6135e22578ec212ef9977d7c7a8bd4a6fe335c80e9c570efe5b516d1dd576fdd", kill_on_drop: false }`
[INFO] [stdout] 6135e22578ec212ef9977d7c7a8bd4a6fe335c80e9c570efe5b516d1dd576fdd