[INFO] fetching crate docufort 0.7.0...
[INFO] checking docufort-0.7.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate docufort 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate docufort 0.7.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate docufort 0.7.0
[INFO] tweaked toml for crates.io crate docufort 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate docufort 0.7.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate docufort 0.7.0 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11
[INFO] running `Command { std: "docker" "start" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11", 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" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking docufort v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/read.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 |             return Err(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "Unexpected end of file").into());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 224 -             return Err(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "Unexpected end of file").into());
[INFO] [stdout] 224 +             return Err(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "Unexpected end of file"));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 224 -             return Err(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "Unexpected end of file").into());
[INFO] [stdout] 224 +             return Err(<std::io::Error as Into<_>>::into(std::io::Error::new(std::io::ErrorKind::UnexpectedEof, "Unexpected end of file")));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/retry_writer.rs:204:73
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 204 -             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout] 204 +             Err(e) => return Err((InnerOperation{ inner, start_offset },e)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 204 -             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout] 204 +             Err(e) => return Err((InnerOperation{ inner, start_offset },<std::io::Error as Into<_>>::into(e))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/retry_writer.rs:209:73
[INFO] [stdout]     |
[INFO] [stdout] 209 |             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 209 -             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout] 209 +             Err(e) => return Err((InnerOperation{ inner, start_offset },e)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 209 -             Err(e) => return Err((InnerOperation{ inner, start_offset },e.into())),
[INFO] [stdout] 209 +             Err(e) => return Err((InnerOperation{ inner, start_offset },<std::io::Error as Into<_>>::into(e))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/retry_writer.rs:215:86
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 return Err((InnerOperation{ inner, start_offset:Some(start_offset) },e.into()))
[INFO] [stdout]     |                                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 215 -                 return Err((InnerOperation{ inner, start_offset:Some(start_offset) },e.into()))
[INFO] [stdout] 215 +                 return Err((InnerOperation{ inner, start_offset:Some(start_offset) },e))
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 215 -                 return Err((InnerOperation{ inner, start_offset:Some(start_offset) },e.into()))
[INFO] [stdout] 215 +                 return Err((InnerOperation{ inner, start_offset:Some(start_offset) },<std::io::Error as Into<_>>::into(e)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `docufort` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11", kill_on_drop: false }`
[INFO] [stdout] 16cdaf2721423e17f8ecf650d8d4a9838de5e6f7d61565c1e4794a55fc479f11
