[INFO] fetching crate rails-cookie-parser 0.1.0...
[INFO] checking rails-cookie-parser-0.1.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate rails-cookie-parser 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rails-cookie-parser 0.1.0 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff4aa0bf3aae14804d17d94b7a1958730d2a0156f0a04790924fee7fc8c3d9b
[INFO] running `Command { std: "docker" "start" "-a" "bff4aa0bf3aae14804d17d94b7a1958730d2a0156f0a04790924fee7fc8c3d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff4aa0bf3aae14804d17d94b7a1958730d2a0156f0a04790924fee7fc8c3d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff4aa0bf3aae14804d17d94b7a1958730d2a0156f0a04790924fee7fc8c3d9b", kill_on_drop: false }`
[INFO] [stdout] bff4aa0bf3aae14804d17d94b7a1958730d2a0156f0a04790924fee7fc8c3d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb3087112dac332d626d98302a8fa8a78b0e2c3032fd3cb8d7f20f2a6901228b
[INFO] running `Command { std: "docker" "start" "-a" "eb3087112dac332d626d98302a8fa8a78b0e2c3032fd3cb8d7f20f2a6901228b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking cpufeatures v0.2.16
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[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: this conversion is useless `FromUtf8Error` to `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: `#[deny(self_type_conversion)]` on by default
[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] [stdout] error: this conversion is useless `FromUtf8Error` to `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: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rails-cookie-parser` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb3087112dac332d626d98302a8fa8a78b0e2c3032fd3cb8d7f20f2a6901228b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3087112dac332d626d98302a8fa8a78b0e2c3032fd3cb8d7f20f2a6901228b", kill_on_drop: false }`
[INFO] [stdout] eb3087112dac332d626d98302a8fa8a78b0e2c3032fd3cb8d7f20f2a6901228b