[INFO] fetching crate utf8-read 0.4.0...
[INFO] testing utf8-read-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate utf8-read 0.4.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate utf8-read 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utf8-read 0.4.0
[INFO] finished tweaking crates.io crate utf8-read 0.4.0
[INFO] tweaked toml for crates.io crate utf8-read 0.4.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cec1cb645416beb6ed529ce80bb17bab28a4418c6440dc8bd8d3a3d2e66f8b3
[INFO] running `Command { std: "docker" "start" "-a" "0cec1cb645416beb6ed529ce80bb17bab28a4418c6440dc8bd8d3a3d2e66f8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cec1cb645416beb6ed529ce80bb17bab28a4418c6440dc8bd8d3a3d2e66f8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cec1cb645416beb6ed529ce80bb17bab28a4418c6440dc8bd8d3a3d2e66f8b3", kill_on_drop: false }`
[INFO] [stdout] 0cec1cb645416beb6ed529ce80bb17bab28a4418c6440dc8bd8d3a3d2e66f8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef239a241be725d121a357956547e24e13c63428ffecdc6df175659e30e050c0
[INFO] running `Command { std: "docker" "start" "-a" "ef239a241be725d121a357956547e24e13c63428ffecdc6df175659e30e050c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling utf8-read v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ef239a241be725d121a357956547e24e13c63428ffecdc6df175659e30e050c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef239a241be725d121a357956547e24e13c63428ffecdc6df175659e30e050c0", kill_on_drop: false }`
[INFO] [stdout] ef239a241be725d121a357956547e24e13c63428ffecdc6df175659e30e050c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9466702fd1d38d590a3b8bfdf190e238f1cfdfe50d2b992c4e031751d4ecd045
[INFO] running `Command { std: "docker" "start" "-a" "9466702fd1d38d590a3b8bfdf190e238f1cfdfe50d2b992c4e031751d4ecd045", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling utf8-read v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "9466702fd1d38d590a3b8bfdf190e238f1cfdfe50d2b992c4e031751d4ecd045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9466702fd1d38d590a3b8bfdf190e238f1cfdfe50d2b992c4e031751d4ecd045", kill_on_drop: false }`
[INFO] [stdout] 9466702fd1d38d590a3b8bfdf190e238f1cfdfe50d2b992c4e031751d4ecd045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7da4fc2a2e26034f3e605dd1fbf105ecc2876d58c432154b5ff51d9a00d9d7dd
[INFO] running `Command { std: "docker" "start" "-a" "7da4fc2a2e26034f3e605dd1fbf105ecc2876d58c432154b5ff51d9a00d9d7dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/utf8_read-2de1a4744f1e0bc6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-363ad3b7570e3054)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_hello ... ok
[INFO] [stdout] test test_utf8_short ... ok
[INFO] [stdout] test test_longer ... ok
[INFO] [stdout] test test_utf8_long ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/targeted.rs (/opt/rustwide/target/debug/deps/targeted-98921bd799949013)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_me ... 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] [stderr]    Doc-tests utf8-read
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![warn(missing_doc_code_examples)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/reader.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 | #[allow(missing_doc_code_examples)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 3 tests
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/reader.rs - reader::Reader (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7da4fc2a2e26034f3e605dd1fbf105ecc2876d58c432154b5ff51d9a00d9d7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da4fc2a2e26034f3e605dd1fbf105ecc2876d58c432154b5ff51d9a00d9d7dd", kill_on_drop: false }`
[INFO] [stdout] 7da4fc2a2e26034f3e605dd1fbf105ecc2876d58c432154b5ff51d9a00d9d7dd