[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 [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 [INFO] [stdout] --> src/textproc.rs:230:66 [INFO] [stdout] | [INFO] [stdout] 230 | fn from_str(s: &str) -> std::result::Result { [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 [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 [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 [INFO] [stdout] --> src/textproc.rs:230:66 [INFO] [stdout] | [INFO] [stdout] 230 | fn from_str(s: &str) -> std::result::Result { [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 [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