[INFO] fetching crate keybindings 0.0.2... [INFO] checking keybindings-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate keybindings 0.0.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate keybindings 0.0.2 [INFO] finished tweaking crates.io crate keybindings 0.0.2 [INFO] tweaked toml for crates.io crate keybindings 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate keybindings 0.0.2 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 6 packages to latest compatible versions [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a592b7fccdb2671294a49b3d074e4eec1146edeae276eb89da868ab2dabda07d [INFO] running `Command { std: "docker" "start" "-a" "a592b7fccdb2671294a49b3d074e4eec1146edeae276eb89da868ab2dabda07d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a592b7fccdb2671294a49b3d074e4eec1146edeae276eb89da868ab2dabda07d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a592b7fccdb2671294a49b3d074e4eec1146edeae276eb89da868ab2dabda07d", kill_on_drop: false }` [INFO] [stdout] a592b7fccdb2671294a49b3d074e4eec1146edeae276eb89da868ab2dabda07d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6eaf30e7b3daec0739ad27ed6b6b78b1fb2966af982a51614d1fb63a2778df4e [INFO] running `Command { std: "docker" "start" "-a" "6eaf30e7b3daec0739ad27ed6b6b78b1fb2966af982a51614d1fb63a2778df4e", kill_on_drop: false }` [INFO] [stderr] Checking textwrap v0.16.2 [INFO] [stderr] Checking keybindings v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:214:69 [INFO] [stdout] | [INFO] [stdout] 214 | fn from_macro_str(mstr: &str) -> Result, Self::Error> { [INFO] [stdout] | _____________________________________________________________________^ [INFO] [stdout] 215 | | Ok(mstr.chars().collect()) [INFO] [stdout] 216 | | } [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/lib.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | Ok(mstr.chars().collect()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:670:20 [INFO] [stdout] | [INFO] [stdout] 670 | fn follow_edge(&self, id: NodeId, ke: &Key) -> FollowResult { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 670 | fn follow_edge(&self, id: NodeId, ke: &Key) -> FollowResult<'_, Key, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `keybindings` (lib) due to 2 previous errors; 1 warning emitted [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/lib.rs:214:69 [INFO] [stdout] | [INFO] [stdout] 214 | fn from_macro_str(mstr: &str) -> Result, Self::Error> { [INFO] [stdout] | _____________________________________________________________________^ [INFO] [stdout] 215 | | Ok(mstr.chars().collect()) [INFO] [stdout] 216 | | } [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/lib.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | Ok(mstr.chars().collect()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:670:20 [INFO] [stdout] | [INFO] [stdout] 670 | fn follow_edge(&self, id: NodeId, ke: &Key) -> FollowResult { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 670 | fn follow_edge(&self, id: NodeId, ke: &Key) -> FollowResult<'_, Key, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:1440:73 [INFO] [stdout] | [INFO] [stdout] 1440 | fn from_macro_str(mstr: &str) -> Result, Self::Error> { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 1441 | | Ok(mstr.chars().map(TestKey::from).collect()) [INFO] [stdout] 1442 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:1441:13 [INFO] [stdout] | [INFO] [stdout] 1441 | Ok(mstr.chars().map(TestKey::from).collect()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `keybindings` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6eaf30e7b3daec0739ad27ed6b6b78b1fb2966af982a51614d1fb63a2778df4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eaf30e7b3daec0739ad27ed6b6b78b1fb2966af982a51614d1fb63a2778df4e", kill_on_drop: false }` [INFO] [stdout] 6eaf30e7b3daec0739ad27ed6b6b78b1fb2966af982a51614d1fb63a2778df4e