[INFO] fetching crate svgbobdoc 0.3.0...
[INFO] checking svgbobdoc-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate svgbobdoc 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate svgbobdoc 0.3.0
[INFO] finished tweaking crates.io crate svgbobdoc 0.3.0
[INFO] tweaked toml for crates.io crate svgbobdoc 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate svgbobdoc 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding svgbob v0.6.6 (available: v0.6.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.2)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f70842c7f9036cc92da0bc3a2e3689a5b163d17339e323e4b7779371d2503b45
[INFO] running `Command { std: "docker" "start" "-a" "f70842c7f9036cc92da0bc3a2e3689a5b163d17339e323e4b7779371d2503b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f70842c7f9036cc92da0bc3a2e3689a5b163d17339e323e4b7779371d2503b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70842c7f9036cc92da0bc3a2e3689a5b163d17339e323e4b7779371d2503b45", kill_on_drop: false }`
[INFO] [stdout] f70842c7f9036cc92da0bc3a2e3689a5b163d17339e323e4b7779371d2503b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 72f5dd2a9af88211a2d01c2b636a9708732d2a3aebec794d914d7c424cecefb1
[INFO] running `Command { std: "docker" "start" "-a" "72f5dd2a9af88211a2d01c2b636a9708732d2a3aebec794d914d7c424cecefb1", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking proc-macro2 v1.0.103
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking svgbobdoc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:168:39
[INFO] [stdout]     |
[INFO] [stdout] 168 |                         .map(|params| params.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<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:230:66
[INFO] [stdout]     |
[INFO] [stdout] 230 |       fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 231 | |         let mut this = CodeBlockParams { label: None };
[INFO] [stdout] 232 | |
[INFO] [stdout] 233 | |         let parts = s.split(",").map(|s| s.trim());
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         Ok(this)
[INFO] [stdout] 244 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         Ok(this)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `svgbobdoc` (lib test) 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<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:168:39
[INFO] [stdout]     |
[INFO] [stdout] 168 |                         .map(|params| params.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<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:230:66
[INFO] [stdout]     |
[INFO] [stdout] 230 |       fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 231 | |         let mut this = CodeBlockParams { label: None };
[INFO] [stdout] 232 | |
[INFO] [stdout] 233 | |         let parts = s.split(",").map(|s| s.trim());
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         Ok(this)
[INFO] [stdout] 244 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CodeBlockParams, Infallible>
[INFO] [stdout]    --> src/textproc.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         Ok(this)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `svgbobdoc` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "72f5dd2a9af88211a2d01c2b636a9708732d2a3aebec794d914d7c424cecefb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f5dd2a9af88211a2d01c2b636a9708732d2a3aebec794d914d7c424cecefb1", kill_on_drop: false }`
[INFO] [stdout] 72f5dd2a9af88211a2d01c2b636a9708732d2a3aebec794d914d7c424cecefb1
