[INFO] fetching crate u8char 0.3.0...
[INFO] testing u8char-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate u8char 0.3.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate u8char 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81283ce8019eb5fe3feb12ebb6d210c0a339fac63ade935dc5e10713f659225a
[INFO] running `Command { std: "docker" "start" "-a" "81283ce8019eb5fe3feb12ebb6d210c0a339fac63ade935dc5e10713f659225a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81283ce8019eb5fe3feb12ebb6d210c0a339fac63ade935dc5e10713f659225a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81283ce8019eb5fe3feb12ebb6d210c0a339fac63ade935dc5e10713f659225a", kill_on_drop: false }`
[INFO] [stdout] 81283ce8019eb5fe3feb12ebb6d210c0a339fac63ade935dc5e10713f659225a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abadae75ce0d78c437b3ce0c4c23cf92e44f6a628108ed3bd2965daaaf746688
[INFO] running `Command { std: "docker" "start" "-a" "abadae75ce0d78c437b3ce0c4c23cf92e44f6a628108ed3bd2965daaaf746688", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "abadae75ce0d78c437b3ce0c4c23cf92e44f6a628108ed3bd2965daaaf746688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abadae75ce0d78c437b3ce0c4c23cf92e44f6a628108ed3bd2965daaaf746688", kill_on_drop: false }`
[INFO] [stdout] abadae75ce0d78c437b3ce0c4c23cf92e44f6a628108ed3bd2965daaaf746688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7f80b8e0efc4876629cd97bf17ff3df12b702999606eed8e442031bfc71dca
[INFO] running `Command { std: "docker" "start" "-a" "7c7f80b8e0efc4876629cd97bf17ff3df12b702999606eed8e442031bfc71dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7c7f80b8e0efc4876629cd97bf17ff3df12b702999606eed8e442031bfc71dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7f80b8e0efc4876629cd97bf17ff3df12b702999606eed8e442031bfc71dca", kill_on_drop: false }`
[INFO] [stdout] 7c7f80b8e0efc4876629cd97bf17ff3df12b702999606eed8e442031bfc71dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d851cbfb6c0959836d83a8f69d079922dcdfed2d74d45be0111f66429d845377
[INFO] running `Command { std: "docker" "start" "-a" "d851cbfb6c0959836d83a8f69d079922dcdfed2d74d45be0111f66429d845377", 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 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 stream::test_u8charstream ... 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::unstable_niches_value_range ... ok
[INFO] [stdout] test tests::char_roundtrip ... 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] [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" "d851cbfb6c0959836d83a8f69d079922dcdfed2d74d45be0111f66429d845377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d851cbfb6c0959836d83a8f69d079922dcdfed2d74d45be0111f66429d845377", kill_on_drop: false }`
[INFO] [stdout] d851cbfb6c0959836d83a8f69d079922dcdfed2d74d45be0111f66429d845377