[INFO] fetching crate freeze 0.1.1... [INFO] checking freeze-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate freeze 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate freeze 0.1.1 [INFO] finished tweaking crates.io crate freeze 0.1.1 [INFO] tweaked toml for crates.io crate freeze 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate freeze 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate freeze 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76f5145545864ae5b8a6639c625f771634a5fe187fbe40d49ed9441d8ebe0c1d [INFO] running `Command { std: "docker" "start" "-a" "76f5145545864ae5b8a6639c625f771634a5fe187fbe40d49ed9441d8ebe0c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76f5145545864ae5b8a6639c625f771634a5fe187fbe40d49ed9441d8ebe0c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76f5145545864ae5b8a6639c625f771634a5fe187fbe40d49ed9441d8ebe0c1d", kill_on_drop: false }` [INFO] [stdout] 76f5145545864ae5b8a6639c625f771634a5fe187fbe40d49ed9441d8ebe0c1d [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 912d32ffde2e8331abb3c664a15dfe321f3c9e616fd6a4eb306f866dda5fe404 [INFO] running `Command { std: "docker" "start" "-a" "912d32ffde2e8331abb3c664a15dfe321f3c9e616fd6a4eb306f866dda5fe404", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Checking freeze v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 246 | let mut alloc = BumpAllocRef::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `extend_reserve` is never used [INFO] [stdout] --> src/lib.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl <'alloc> LiquidVecRef<'alloc> { [INFO] [stdout] | ---------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | fn extend_reserve(&mut self, additional: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `data_range` and `data_range_mut` are never used [INFO] [stdout] --> src/lib.rs:190:15 [INFO] [stdout] | [INFO] [stdout] 152 | impl BumpAllocRef { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 190 | unsafe fn data_range(&self) -> &[u8] { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | unsafe fn data_range_mut(&mut self) -> &mut [u8] { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:182:16 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn top(&self) -> LiquidVecRef { [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] 182 | pub fn top(&self) -> LiquidVecRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `extend_reserve` is never used [INFO] [stdout] --> src/lib.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl <'alloc> LiquidVecRef<'alloc> { [INFO] [stdout] | ---------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | fn extend_reserve(&mut self, additional: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `data_range` and `data_range_mut` are never used [INFO] [stdout] --> src/lib.rs:190:15 [INFO] [stdout] | [INFO] [stdout] 152 | impl BumpAllocRef { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 190 | unsafe fn data_range(&self) -> &[u8] { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | unsafe fn data_range_mut(&mut self) -> &mut [u8] { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:182:16 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn top(&self) -> LiquidVecRef { [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] 182 | pub fn top(&self) -> LiquidVecRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "912d32ffde2e8331abb3c664a15dfe321f3c9e616fd6a4eb306f866dda5fe404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "912d32ffde2e8331abb3c664a15dfe321f3c9e616fd6a4eb306f866dda5fe404", kill_on_drop: false }` [INFO] [stdout] 912d32ffde2e8331abb3c664a15dfe321f3c9e616fd6a4eb306f866dda5fe404