[INFO] fetching crate u8char 0.3.0...
[INFO] testing u8char-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[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 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec03b757e167b7ffaa0b9ae646ade6debcacbe20c7ac956d586eac264ffef24f
[INFO] running `Command { std: "docker" "start" "-a" "ec03b757e167b7ffaa0b9ae646ade6debcacbe20c7ac956d586eac264ffef24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec03b757e167b7ffaa0b9ae646ade6debcacbe20c7ac956d586eac264ffef24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec03b757e167b7ffaa0b9ae646ade6debcacbe20c7ac956d586eac264ffef24f", kill_on_drop: false }`
[INFO] [stdout] ec03b757e167b7ffaa0b9ae646ade6debcacbe20c7ac956d586eac264ffef24f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbeb37ef668ffac7a4c74ea1bda5caf68399d221529013e3db9bafbbe71f926
[INFO] running `Command { std: "docker" "start" "-a" "4bbeb37ef668ffac7a4c74ea1bda5caf68399d221529013e3db9bafbbe71f926", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4bbeb37ef668ffac7a4c74ea1bda5caf68399d221529013e3db9bafbbe71f926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbeb37ef668ffac7a4c74ea1bda5caf68399d221529013e3db9bafbbe71f926", kill_on_drop: false }`
[INFO] [stdout] 4bbeb37ef668ffac7a4c74ea1bda5caf68399d221529013e3db9bafbbe71f926
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16bd636d471b367e08f2a6e464d3cce5528fee1e294886ba404b86448321690e
[INFO] running `Command { std: "docker" "start" "-a" "16bd636d471b367e08f2a6e464d3cce5528fee1e294886ba404b86448321690e", kill_on_drop: false }`
[INFO] [stderr]    Compiling u8char v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "16bd636d471b367e08f2a6e464d3cce5528fee1e294886ba404b86448321690e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bd636d471b367e08f2a6e464d3cce5528fee1e294886ba404b86448321690e", kill_on_drop: false }`
[INFO] [stdout] 16bd636d471b367e08f2a6e464d3cce5528fee1e294886ba404b86448321690e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cc3e72c6417dba3a275f868e9c562b9ea1c5fabce33c375ab4846a2dac7c496
[INFO] running `Command { std: "docker" "start" "-a" "7cc3e72c6417dba3a275f868e9c562b9ea1c5fabce33c375ab4846a2dac7c496", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[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_str ... ok
[INFO] [stdout] test stream::test_u8charstream ... 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 iter::test_from_bytes ... 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] test tests::from_bytes_prefix ... ok
[INFO] [stderr]    Doc-tests u8char
[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" "7cc3e72c6417dba3a275f868e9c562b9ea1c5fabce33c375ab4846a2dac7c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc3e72c6417dba3a275f868e9c562b9ea1c5fabce33c375ab4846a2dac7c496", kill_on_drop: false }`
[INFO] [stdout] 7cc3e72c6417dba3a275f868e9c562b9ea1c5fabce33c375ab4846a2dac7c496