[INFO] fetching crate ablescript 0.5.4... [INFO] checking ablescript-0.5.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ablescript 0.5.4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ablescript 0.5.4 [INFO] finished tweaking crates.io crate ablescript 0.5.4 [INFO] tweaked toml for crates.io crate ablescript 0.5.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ablescript 0.5.4 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 20 packages to latest compatible versions [INFO] [stderr] Adding logos v0.13.0 (available: v0.15.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 64ac5ed49dec06e45ad83221587a1abfff2e9fc7b4b7e5969a8efaf1af2ef061 [INFO] running `Command { std: "docker" "start" "-a" "64ac5ed49dec06e45ad83221587a1abfff2e9fc7b4b7e5969a8efaf1af2ef061", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64ac5ed49dec06e45ad83221587a1abfff2e9fc7b4b7e5969a8efaf1af2ef061", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ac5ed49dec06e45ad83221587a1abfff2e9fc7b4b7e5969a8efaf1af2ef061", kill_on_drop: false }` [INFO] [stdout] 64ac5ed49dec06e45ad83221587a1abfff2e9fc7b4b7e5969a8efaf1af2ef061 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd67797c8bbbdd7a52038d5bb3edcf8327db83a4fd48c7adad0f276ad4f2c807 [INFO] running `Command { std: "docker" "start" "-a" "cd67797c8bbbdd7a52038d5bb3edcf8327db83a4fd48c7adad0f276ad4f2c807", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking ablescript v0.5.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:174:19 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn borrow(&self) -> Ref { [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] 174 | pub fn borrow(&self) -> Ref<'_, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn borrow_mut(&self) -> RefMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 178 | pub fn borrow_mut(&self) -> RefMut<'_, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/brian.rs:346:67 [INFO] [stdout] | [INFO] [stdout] 346 | fn bootleg_read(&mut self) -> Result, Self::Error> { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 347 | | Ok(self.0.pop_front()) [INFO] [stdout] 348 | | } [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/brian.rs:347:9 [INFO] [stdout] | [INFO] [stdout] 347 | Ok(self.0.pop_front()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ablescript` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:174:19 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn borrow(&self) -> Ref { [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] 174 | pub fn borrow(&self) -> Ref<'_, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn borrow_mut(&self) -> RefMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 178 | pub fn borrow_mut(&self) -> RefMut<'_, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/brian.rs:346:67 [INFO] [stdout] | [INFO] [stdout] 346 | fn bootleg_read(&mut self) -> Result, Self::Error> { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 347 | | Ok(self.0.pop_front()) [INFO] [stdout] 348 | | } [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/brian.rs:347:9 [INFO] [stdout] | [INFO] [stdout] 347 | Ok(self.0.pop_front()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ablescript` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cd67797c8bbbdd7a52038d5bb3edcf8327db83a4fd48c7adad0f276ad4f2c807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd67797c8bbbdd7a52038d5bb3edcf8327db83a4fd48c7adad0f276ad4f2c807", kill_on_drop: false }` [INFO] [stdout] cd67797c8bbbdd7a52038d5bb3edcf8327db83a4fd48c7adad0f276ad4f2c807