[INFO] fetching crate u8char 0.3.0...
[INFO] testing u8char-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate u8char 0.3.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate u8char 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc76c473bdb68c0865950fe21c2af6a222bc562067947493fb5c281b7c2f8a3
[INFO] running `Command { std: "docker" "start" "-a" "0bc76c473bdb68c0865950fe21c2af6a222bc562067947493fb5c281b7c2f8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc76c473bdb68c0865950fe21c2af6a222bc562067947493fb5c281b7c2f8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc76c473bdb68c0865950fe21c2af6a222bc562067947493fb5c281b7c2f8a3", kill_on_drop: false }`
[INFO] [stdout] 0bc76c473bdb68c0865950fe21c2af6a222bc562067947493fb5c281b7c2f8a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d73714c5d8a5b01732c767a383664d22a6f05a24fc36e19ba41d89adafa934
[INFO] running `Command { std: "docker" "start" "-a" "34d73714c5d8a5b01732c767a383664d22a6f05a24fc36e19ba41d89adafa934", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "34d73714c5d8a5b01732c767a383664d22a6f05a24fc36e19ba41d89adafa934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d73714c5d8a5b01732c767a383664d22a6f05a24fc36e19ba41d89adafa934", kill_on_drop: false }`
[INFO] [stdout] 34d73714c5d8a5b01732c767a383664d22a6f05a24fc36e19ba41d89adafa934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c9d020933e918cce0ecc61d5c910462b1617374664a4f74f222a8621bd6fb7
[INFO] running `Command { std: "docker" "start" "-a" "54c9d020933e918cce0ecc61d5c910462b1617374664a4f74f222a8621bd6fb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "54c9d020933e918cce0ecc61d5c910462b1617374664a4f74f222a8621bd6fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c9d020933e918cce0ecc61d5c910462b1617374664a4f74f222a8621bd6fb7", kill_on_drop: false }`
[INFO] [stdout] 54c9d020933e918cce0ecc61d5c910462b1617374664a4f74f222a8621bd6fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ffe07971a52bc8305d0079b240146c05da0e6a7bedaa81f255fffa8474a8173
[INFO] running `Command { std: "docker" "start" "-a" "5ffe07971a52bc8305d0079b240146c05da0e6a7bedaa81f255fffa8474a8173", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u8char-410119acadfdb905)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test stream::test_u8charstream ... ok
[INFO] [stdout] test iter::test_from_bytes ... ok
[INFO] [stdout] test tests::from_bytes_prefix ... ok
[INFO] [stdout] test tests::from_char ... ok
[INFO] [stdout] test iter::test_from_str ... 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 tests::char_roundtrip ... ok
[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] [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" "5ffe07971a52bc8305d0079b240146c05da0e6a7bedaa81f255fffa8474a8173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffe07971a52bc8305d0079b240146c05da0e6a7bedaa81f255fffa8474a8173", kill_on_drop: false }`
[INFO] [stdout] 5ffe07971a52bc8305d0079b240146c05da0e6a7bedaa81f255fffa8474a8173