[INFO] fetching crate rut 0.4.2...
[INFO] testing rut-0.4.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rut 0.4.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate rut 0.4.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rut 0.4.2
[INFO] finished tweaking crates.io crate rut 0.4.2
[INFO] tweaked toml for crates.io crate rut 0.4.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 317178d3397c85f0e25abdf0dd3a7cd710c5f42afd573d4201833472abe007ce
[INFO] running `Command { std: "docker" "start" "-a" "317178d3397c85f0e25abdf0dd3a7cd710c5f42afd573d4201833472abe007ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317178d3397c85f0e25abdf0dd3a7cd710c5f42afd573d4201833472abe007ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317178d3397c85f0e25abdf0dd3a7cd710c5f42afd573d4201833472abe007ce", kill_on_drop: false }`
[INFO] [stdout] 317178d3397c85f0e25abdf0dd3a7cd710c5f42afd573d4201833472abe007ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82d7a5020c447922afeef7b7a65fe57c63642f533bc3454592dfe83e2c29e5a
[INFO] running `Command { std: "docker" "start" "-a" "f82d7a5020c447922afeef7b7a65fe57c63642f533bc3454592dfe83e2c29e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f82d7a5020c447922afeef7b7a65fe57c63642f533bc3454592dfe83e2c29e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82d7a5020c447922afeef7b7a65fe57c63642f533bc3454592dfe83e2c29e5a", kill_on_drop: false }`
[INFO] [stdout] f82d7a5020c447922afeef7b7a65fe57c63642f533bc3454592dfe83e2c29e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b284fea39f60ff630c8f895fb251b5957701822862aa49b77da6e1c975b86e9a
[INFO] running `Command { std: "docker" "start" "-a" "b284fea39f60ff630c8f895fb251b5957701822862aa49b77da6e1c975b86e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b284fea39f60ff630c8f895fb251b5957701822862aa49b77da6e1c975b86e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b284fea39f60ff630c8f895fb251b5957701822862aa49b77da6e1c975b86e9a", kill_on_drop: false }`
[INFO] [stdout] b284fea39f60ff630c8f895fb251b5957701822862aa49b77da6e1c975b86e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b1e427f9a7eb0d1130968667ee105fc63c189a88f7520a14be93c04c1d82fd7
[INFO] running `Command { std: "docker" "start" "-a" "2b1e427f9a7eb0d1130968667ee105fc63c189a88f7520a14be93c04c1d82fd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rut-75f2fb04c60bb288)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::continuation_bytes ... ok
[INFO] [stdout] test tests::first_before_surrogates ... ok
[INFO] [stdout] test tests::first_valid_1 ... ok
[INFO] [stdout] test tests::first_valid_2 ... ok
[INFO] [stdout] test tests::first_after_surrogates ... ok
[INFO] [stdout] test tests::first_valid_3 ... ok
[INFO] [stdout] test tests::first_valid_4 ... ok
[INFO] [stdout] test tests::invalid_bytes ... ok
[INFO] [stdout] test tests::last_valid_1 ... ok
[INFO] [stdout] test tests::last_valid_2 ... ok
[INFO] [stdout] test tests::last_valid_4 ... ok
[INFO] [stderr]    Doc-tests rut
[INFO] [stdout] test tests::last_valid_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Decode::rest (line 355) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 322) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 332) ... ok
[INFO] [stdout] test src/lib.rs - decode_one (line 247) ... ok
[INFO] [stdout] test src/lib.rs - decode_one (line 257) ... ok
[INFO] [stdout] test src/lib.rs - Decoder::decode_byte (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b1e427f9a7eb0d1130968667ee105fc63c189a88f7520a14be93c04c1d82fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1e427f9a7eb0d1130968667ee105fc63c189a88f7520a14be93c04c1d82fd7", kill_on_drop: false }`
[INFO] [stdout] 2b1e427f9a7eb0d1130968667ee105fc63c189a88f7520a14be93c04c1d82fd7