[INFO] fetching crate dendron 0.1.5... [INFO] checking dendron-0.1.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dendron 0.1.5 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate dendron 0.1.5 [INFO] finished tweaking crates.io crate dendron 0.1.5 [INFO] tweaked toml for crates.io crate dendron 0.1.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dendron 0.1.5 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] 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f5c193e033f47a9b3f4c9c9c4ea72d262de6044ca25f33cbaae1449a9bcad74 [INFO] running `Command { std: "docker" "start" "-a" "6f5c193e033f47a9b3f4c9c9c4ea72d262de6044ca25f33cbaae1449a9bcad74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f5c193e033f47a9b3f4c9c9c4ea72d262de6044ca25f33cbaae1449a9bcad74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5c193e033f47a9b3f4c9c9c4ea72d262de6044ca25f33cbaae1449a9bcad74", kill_on_drop: false }` [INFO] [stdout] 6f5c193e033f47a9b3f4c9c9c4ea72d262de6044ca25f33cbaae1449a9bcad74 [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=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] 300ed601a8e9e4440879566f0cc696e8e5f088338cc653aa77575811a72e036f [INFO] running `Command { std: "docker" "start" "-a" "300ed601a8e9e4440879566f0cc696e8e5f088338cc653aa77575811a72e036f", kill_on_drop: false }` [INFO] [stderr] Checking dendron v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/node/edit.rs:516:5 [INFO] [stdout] | [INFO] [stdout] 516 | / OrphanRoot::create_and_process(data, tree_core.clone(), |new| { [INFO] [stdout] 517 | | if let Some(parent) = this.parent_link() { [INFO] [stdout] 518 | | // Insert the new node after `this`. [INFO] [stdout] 519 | | let new_link = new.link; [INFO] [stdout] ... | [INFO] [stdout] 540 | | Ok::<_, core::convert::Infallible>(()) [INFO] [stdout] 541 | | }) [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, Infallible> [INFO] [stdout] --> src/node/edit.rs:548:5 [INFO] [stdout] | [INFO] [stdout] 548 | / OrphanRoot::create_and_process(data, tree_core, |new| { [INFO] [stdout] 549 | | // Connect the new node and `this`. [INFO] [stdout] 550 | | let first_child = this.replace_first_child(Some(new.link.clone())); [INFO] [stdout] 551 | | new.link.replace_parent(this.downgrade()); [INFO] [stdout] ... | [INFO] [stdout] 568 | | Ok::<_, core::convert::Infallible>(()) [INFO] [stdout] 569 | | }) [INFO] [stdout] | |______^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dendron` (lib) due to 2 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, Infallible> [INFO] [stdout] --> src/node/edit.rs:516:5 [INFO] [stdout] | [INFO] [stdout] 516 | / OrphanRoot::create_and_process(data, tree_core.clone(), |new| { [INFO] [stdout] 517 | | if let Some(parent) = this.parent_link() { [INFO] [stdout] 518 | | // Insert the new node after `this`. [INFO] [stdout] 519 | | let new_link = new.link; [INFO] [stdout] ... | [INFO] [stdout] 540 | | Ok::<_, core::convert::Infallible>(()) [INFO] [stdout] 541 | | }) [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, Infallible> [INFO] [stdout] --> src/node/edit.rs:548:5 [INFO] [stdout] | [INFO] [stdout] 548 | / OrphanRoot::create_and_process(data, tree_core, |new| { [INFO] [stdout] 549 | | // Connect the new node and `this`. [INFO] [stdout] 550 | | let first_child = this.replace_first_child(Some(new.link.clone())); [INFO] [stdout] 551 | | new.link.replace_parent(this.downgrade()); [INFO] [stdout] ... | [INFO] [stdout] 568 | | Ok::<_, core::convert::Infallible>(()) [INFO] [stdout] 569 | | }) [INFO] [stdout] | |______^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dendron` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "300ed601a8e9e4440879566f0cc696e8e5f088338cc653aa77575811a72e036f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "300ed601a8e9e4440879566f0cc696e8e5f088338cc653aa77575811a72e036f", kill_on_drop: false }` [INFO] [stdout] 300ed601a8e9e4440879566f0cc696e8e5f088338cc653aa77575811a72e036f