[INFO] fetching crate yolo-block 0.1.0...
[INFO] checking yolo-block-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate yolo-block 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate yolo-block 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yolo-block 0.1.0
[INFO] finished tweaking crates.io crate yolo-block 0.1.0
[INFO] tweaked toml for crates.io crate yolo-block 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 465a0fd5138e4cc8e8bfb33b60e2f538f2a6807bda674954102e31aec83d158c
[INFO] running `Command { std: "docker" "start" "-a" "465a0fd5138e4cc8e8bfb33b60e2f538f2a6807bda674954102e31aec83d158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "465a0fd5138e4cc8e8bfb33b60e2f538f2a6807bda674954102e31aec83d158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465a0fd5138e4cc8e8bfb33b60e2f538f2a6807bda674954102e31aec83d158c", kill_on_drop: false }`
[INFO] [stdout] 465a0fd5138e4cc8e8bfb33b60e2f538f2a6807bda674954102e31aec83d158c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb675b285923186038399c21665ec4edd14e51f9c5083e6a8fc94d43301f1e8
[INFO] running `Command { std: "docker" "start" "-a" "afb675b285923186038399c21665ec4edd14e51f9c5083e6a8fc94d43301f1e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking yolo-block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]   --> tests/various.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn option() {
[INFO] [stdout]    | ----------- this function returns a `Result`
[INFO] [stdout] 32 |     let _foo: u32 = yolo! {
[INFO] [stdout] 33 |         ::std::option::Option::None?
[INFO] [stdout]    |                                    ^ use `.ok_or(...)?` to provide an error compatible with `Result<_, YoloError>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<_, YoloError>`
[INFO] [stdout]    = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]              <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]              <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yolo-block` (test "various") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "afb675b285923186038399c21665ec4edd14e51f9c5083e6a8fc94d43301f1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb675b285923186038399c21665ec4edd14e51f9c5083e6a8fc94d43301f1e8", kill_on_drop: false }`
[INFO] [stdout] afb675b285923186038399c21665ec4edd14e51f9c5083e6a8fc94d43301f1e8
[INFO] checking yolo-block-0.1.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate yolo-block 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate yolo-block 0.1.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yolo-block 0.1.0
[INFO] finished tweaking crates.io crate yolo-block 0.1.0
[INFO] tweaked toml for crates.io crate yolo-block 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2a796b897a8739174f1e53e2c5f0b67f2cbef2230a8f0aa9d68db2406ec50a
[INFO] running `Command { std: "docker" "start" "-a" "cb2a796b897a8739174f1e53e2c5f0b67f2cbef2230a8f0aa9d68db2406ec50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2a796b897a8739174f1e53e2c5f0b67f2cbef2230a8f0aa9d68db2406ec50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2a796b897a8739174f1e53e2c5f0b67f2cbef2230a8f0aa9d68db2406ec50a", kill_on_drop: false }`
[INFO] [stdout] cb2a796b897a8739174f1e53e2c5f0b67f2cbef2230a8f0aa9d68db2406ec50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8aa3e8bbe3088ce14fcbe449154b6d971e6c936f36e9521bc4287722321e0a
[INFO] running `Command { std: "docker" "start" "-a" "ed8aa3e8bbe3088ce14fcbe449154b6d971e6c936f36e9521bc4287722321e0a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "ed8aa3e8bbe3088ce14fcbe449154b6d971e6c936f36e9521bc4287722321e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8aa3e8bbe3088ce14fcbe449154b6d971e6c936f36e9521bc4287722321e0a", kill_on_drop: false }`
[INFO] [stdout] ed8aa3e8bbe3088ce14fcbe449154b6d971e6c936f36e9521bc4287722321e0a