[INFO] fetching crate rails-cookie-parser 0.1.0...
[INFO] checking rails-cookie-parser-0.1.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate rails-cookie-parser 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rails-cookie-parser 0.1.0
[INFO] finished tweaking crates.io crate rails-cookie-parser 0.1.0
[INFO] tweaked toml for crates.io crate rails-cookie-parser 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rails-cookie-parser 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to highest compatible versions
[INFO] [stderr]       Adding aes-gcm v0.10.3 (available: v0.11.1)
[INFO] [stderr]       Adding base64 v0.22.1 (available: v0.23.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding pbkdf2 v0.12.2 (available: v0.13.0)
[INFO] [stderr]       Adding sha1 v0.10.7 (available: v0.11.0)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.1)
[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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d
[INFO] running `Command { std: "docker" "start" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d", 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" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d", 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" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha1 v0.10.7
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking rails-cookie-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `FromUtf8Error`
[INFO] [stdout]    --> src/lib.rs:228:68
[INFO] [stdout]     |
[INFO] [stdout] 228 |       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.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] 228 -       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.into()))
[INFO] [stdout] 228 +       Err(err) => return Err(ParseCookieError::ResultEncodingError(err))
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 228 -       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.into()))
[INFO] [stdout] 228 +       Err(err) => return Err(ParseCookieError::ResultEncodingError(<FromUtf8Error as Into<_>>::into(err)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `FromUtf8Error`
[INFO] [stdout]    --> src/lib.rs:228:68
[INFO] [stdout]     |
[INFO] [stdout] 228 |       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.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] 228 -       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.into()))
[INFO] [stdout] 228 +       Err(err) => return Err(ParseCookieError::ResultEncodingError(err))
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 228 -       Err(err) => return Err(ParseCookieError::ResultEncodingError(err.into()))
[INFO] [stdout] 228 +       Err(err) => return Err(ParseCookieError::ResultEncodingError(<FromUtf8Error as Into<_>>::into(err)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rails-cookie-parser` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rails-cookie-parser` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d", kill_on_drop: false }`
[INFO] [stdout] 12f496cac9109e1f9214aaa0eadf62dd9a7addf9bdd151608ead31bf7765767d
