[INFO] fetching crate u8char 0.3.0...
[INFO] testing u8char-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[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 c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e3729e7c12ed1a4303f6679b2c9461fe19205e6164580461f559fc68d50e20a
[INFO] running `Command { std: "docker" "start" "-a" "0e3729e7c12ed1a4303f6679b2c9461fe19205e6164580461f559fc68d50e20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e3729e7c12ed1a4303f6679b2c9461fe19205e6164580461f559fc68d50e20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3729e7c12ed1a4303f6679b2c9461fe19205e6164580461f559fc68d50e20a", kill_on_drop: false }`
[INFO] [stdout] 0e3729e7c12ed1a4303f6679b2c9461fe19205e6164580461f559fc68d50e20a
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67c0c7d5207d9d8509018b28140cfe25a1b6554af9467bcace7a02aedc52e09
[INFO] running `Command { std: "docker" "start" "-a" "e67c0c7d5207d9d8509018b28140cfe25a1b6554af9467bcace7a02aedc52e09", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e67c0c7d5207d9d8509018b28140cfe25a1b6554af9467bcace7a02aedc52e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67c0c7d5207d9d8509018b28140cfe25a1b6554af9467bcace7a02aedc52e09", kill_on_drop: false }`
[INFO] [stdout] e67c0c7d5207d9d8509018b28140cfe25a1b6554af9467bcace7a02aedc52e09
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3191e373c113438b65424f8837658161d5ef0c31767f9cb7a88687e0428573e0
[INFO] running `Command { std: "docker" "start" "-a" "3191e373c113438b65424f8837658161d5ef0c31767f9cb7a88687e0428573e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3191e373c113438b65424f8837658161d5ef0c31767f9cb7a88687e0428573e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3191e373c113438b65424f8837658161d5ef0c31767f9cb7a88687e0428573e0", kill_on_drop: false }`
[INFO] [stdout] 3191e373c113438b65424f8837658161d5ef0c31767f9cb7a88687e0428573e0
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4808bba52a020167e6c5494f6f66db1d49555d9a4773a7d249e5bdec7dc04b3d
[INFO] running `Command { std: "docker" "start" "-a" "4808bba52a020167e6c5494f6f66db1d49555d9a4773a7d249e5bdec7dc04b3d", kill_on_drop: false }`
[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-0bf8695f57f73c3c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test iter::test_from_bytes ... 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 stream::test_u8charstream ... ok
[INFO] [stdout] test iter::test_from_str ... ok
[INFO] [stdout] test tests::char_roundtrip ... ok
[INFO] [stdout] test tests::from_bytes_prefix ... ok
[INFO] [stdout] test tests::utf8_byte_role ... ok
[INFO] [stderr]    Doc-tests u8char
[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 0.01s
[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" "4808bba52a020167e6c5494f6f66db1d49555d9a4773a7d249e5bdec7dc04b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4808bba52a020167e6c5494f6f66db1d49555d9a4773a7d249e5bdec7dc04b3d", kill_on_drop: false }`
[INFO] [stdout] 4808bba52a020167e6c5494f6f66db1d49555d9a4773a7d249e5bdec7dc04b3d