[INFO] fetching crate difficient 0.1.0...
[INFO] testing difficient-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate difficient 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate difficient 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate difficient 0.1.0
[INFO] tweaked toml for crates.io crate difficient 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate difficient 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate difficient 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.66
[INFO] [stderr]   Downloaded uuid v1.11.0
[INFO] [stderr]   Downloaded difficient-macros v0.1.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.66
[INFO] [stderr]   Downloaded serde v1.0.214
[INFO] [stderr]   Downloaded darling_macro v0.21.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.95
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.95
[INFO] [stderr]   Downloaded darling v0.21.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.95
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.95
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.95
[INFO] [stderr]   Downloaded serde_derive v1.0.214
[INFO] [stderr]   Downloaded darling_core v0.21.0
[INFO] [stderr]   Downloaded js-sys v0.3.72
[INFO] [stderr]   Downloaded serde_json v1.0.132
[INFO] [stderr]   Downloaded libc v0.2.161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95
[INFO] running `Command { std: "docker" "start" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", 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" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", 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" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.66
[INFO] [stderr]    Compiling similar v2.6.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.66
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling difficient-macros v0.1.0
[INFO] [stderr]    Compiling difficient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", 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" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling difficient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", 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" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/difficient-134201acd627e7d1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test vec::tests::test_null_vec ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/release/deps/integration-a91d079e2f820b9d)
[INFO] [stdout] test vec::tests::test_simple_vec ... ok
[INFO] [stdout] test vec::tests::awkward_1 ... ok
[INFO] [stdout] test vec::tests::awkward_2 ... ok
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::awkward_change ... ok
[INFO] [stdout] test tests::test_compound_vec ... ok
[INFO] [stdout] test tests::test_tuple_struct ... ok
[INFO] [stdout] test tests::test_less_simple_struct ... ok
[INFO] [stdout] test tests::test_nested_single_field_structs_gives_targeted_patch ... ok
[INFO] [stdout] test tests::test_simple_enum ... ok
[INFO] [stdout] test tests::test_simple_struct ... ok
[INFO] [stdout] test tests::test_unit_struct ... ok
[INFO] [stdout] test tests::test_atomic_struct ... ok
[INFO] [stdout] test tests::test_atomic_and_skip_enum ... ok
[INFO] [stdout] test tests::fuzz_vec_impl ... ok
[INFO] [stderr]    Doc-tests difficient
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.57s; merged doctests compilation took 0.54s
[INFO] running `Command { std: "docker" "inspect" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95", kill_on_drop: false }`
[INFO] [stdout] 352bcac508d681df4ce40697479205caa5d132992517944756cda0ca80b77b95
