[INFO] fetching crate rustpython-wtf8 0.6.0...
[INFO] testing rustpython-wtf8-0.6.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rustpython-wtf8 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rustpython-wtf8 0.6.0
[INFO] finished tweaking crates.io crate rustpython-wtf8 0.6.0
[INFO] tweaked toml for crates.io crate rustpython-wtf8 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustpython-wtf8 0.6.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustpython-wtf8 0.6.0 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919
[INFO] running `Command { std: "docker" "start" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling itertools v0.15.0
[INFO] [stderr]    Compiling bstr v1.13.0
[INFO] [stderr]    Compiling rustpython-wtf8 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustpython-wtf8 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", 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/build/rustpython-wtf8/5ba4e1b97f71429e/out/rustpython_wtf8-5ba4e1b97f71429e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests rustpython_wtf8
[INFO] [stdout] test tests::replace_empty_needle_splits_on_code_points ... ok
[INFO] [stdout] test tests::replacen_empty_needle_counts_insertions ... ok
[INFO] [stdout] test tests::replace_non_empty_needle_is_unchanged ... ok
[INFO] [stdout] test tests::replace_result_stays_valid_wtf8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/concat.rs - concat::wtf8_concat (line 130) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.45s; merged doctests compilation took 0.44s
[INFO] running `Command { std: "docker" "inspect" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919", kill_on_drop: false }`
[INFO] [stdout] 3d396f8956aad6c2887790333b3c457a3e23444ea1343e469f843a9da638b919
