[INFO] fetching crate outline 0.2.1...
[INFO] checking outline-0.2.1 against try#f6d7c613ae2d161ff37dbc63cc5abd809c878597 for pr-83850
[INFO] extracting crate outline 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate outline 0.2.1 on toolchain f6d7c613ae2d161ff37dbc63cc5abd809c878597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate outline 0.2.1
[INFO] finished tweaking crates.io crate outline 0.2.1
[INFO] tweaked toml for crates.io crate outline 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate outline 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73018e8291dc1c207d000bacffb26263b77fe6ac05be43da7adfd556fddbf1cc
[INFO] running `Command { std: "docker" "start" "-a" "73018e8291dc1c207d000bacffb26263b77fe6ac05be43da7adfd556fddbf1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73018e8291dc1c207d000bacffb26263b77fe6ac05be43da7adfd556fddbf1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73018e8291dc1c207d000bacffb26263b77fe6ac05be43da7adfd556fddbf1cc", kill_on_drop: false }`
[INFO] [stdout] 73018e8291dc1c207d000bacffb26263b77fe6ac05be43da7adfd556fddbf1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5033b7c0c6f12d5c3027df0262f421df6961a7209c49d45be48a0d4544743108
[INFO] running `Command { std: "docker" "start" "-a" "5033b7c0c6f12d5c3027df0262f421df6961a7209c49d45be48a0d4544743108", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking outline v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/document/code.rs:63:62
[INFO] [stdout]     |
[INFO] [stdout] 63  |             Source::Macro { name, scope } => code_blocks.get(&Some(name))
[INFO] [stdout]     |                                                          --- ^^^^^^^^^^^ expected `str`, found struct `std::string::String`
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&std::option::Option<&str>`
[INFO] [stdout]                found reference `&std::option::Option<&std::string::String>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/document/code.rs:63:62
[INFO] [stdout]     |
[INFO] [stdout] 63  |             Source::Macro { name, scope } => code_blocks.get(&Some(name))
[INFO] [stdout]     |                                                          --- ^^^^^^^^^^^ expected `str`, found struct `std::string::String`
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&std::option::Option<&str>`
[INFO] [stdout]                found reference `&std::option::Option<&std::string::String>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outline` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `outline` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5033b7c0c6f12d5c3027df0262f421df6961a7209c49d45be48a0d4544743108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5033b7c0c6f12d5c3027df0262f421df6961a7209c49d45be48a0d4544743108", kill_on_drop: false }`
[INFO] [stdout] 5033b7c0c6f12d5c3027df0262f421df6961a7209c49d45be48a0d4544743108