[INFO] fetching crate bfom-blog 0.1.21...
[INFO] checking bfom-blog-0.1.21 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bfom-blog 0.1.21 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bfom-blog 0.1.21
[INFO] finished tweaking crates.io crate bfom-blog 0.1.21
[INFO] tweaked toml for crates.io crate bfom-blog 0.1.21 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bfom-blog 0.1.21 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bfom-blog 0.1.21 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca182cdc6d3d93743dfe51d1ebff8b173ebf8ef2608c86eff83b4352de51b711
[INFO] running `Command { std: "docker" "start" "-a" "ca182cdc6d3d93743dfe51d1ebff8b173ebf8ef2608c86eff83b4352de51b711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca182cdc6d3d93743dfe51d1ebff8b173ebf8ef2608c86eff83b4352de51b711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca182cdc6d3d93743dfe51d1ebff8b173ebf8ef2608c86eff83b4352de51b711", kill_on_drop: false }`
[INFO] [stdout] ca182cdc6d3d93743dfe51d1ebff8b173ebf8ef2608c86eff83b4352de51b711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5446ed518cd08e41851b9bcab528162b31164a082f2e2ab814708822fa269603
[INFO] running `Command { std: "docker" "start" "-a" "5446ed518cd08e41851b9bcab528162b31164a082f2e2ab814708822fa269603", kill_on_drop: false }`
[INFO] [stderr]     Checking bfom-lib v0.1.50
[INFO] [stderr]     Checking bfom-blog v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |       dest: "./build".parse().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |       templates: "./src/templates".parse().unwrap(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:109:55
[INFO] [stdout]     |
[INFO] [stdout] 109 |       blog_roots: ["blog_uni", "blog"].iter().map(|x| x.parse().unwrap_or_default()).collect(),
[INFO] [stdout]     |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfom-blog` (bin "cargo-bfom-blog") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |       dest: "./build".parse().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |       templates: "./src/templates".parse().unwrap(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:109:55
[INFO] [stdout]     |
[INFO] [stdout] 109 |       blog_roots: ["blog_uni", "blog"].iter().map(|x| x.parse().unwrap_or_default()).collect(),
[INFO] [stdout]     |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfom-blog` (bin "cargo-bfom-blog" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5446ed518cd08e41851b9bcab528162b31164a082f2e2ab814708822fa269603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5446ed518cd08e41851b9bcab528162b31164a082f2e2ab814708822fa269603", kill_on_drop: false }`
[INFO] [stdout] 5446ed518cd08e41851b9bcab528162b31164a082f2e2ab814708822fa269603