[INFO] cloning repository https://github.com/etaoins/arret [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etaoins/arret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetaoins%2Farret", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetaoins%2Farret'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b3bae27ca7283376d420fa7d69fe5073ecf9ef0 [INFO] checking etaoins/arret against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetaoins%2Farret" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/etaoins/arret [INFO] finished tweaking git repo https://github.com/etaoins/arret [INFO] tweaked toml for git repo https://github.com/etaoins/arret written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/etaoins/arret on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/etaoins/arret 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v100.2.0 [INFO] [stderr] Downloaded codespan-reporting v0.11.0 [INFO] [stderr] Downloaded lsp-types v0.84.0 [INFO] [stderr] Downloaded rustyline v9.0.0 [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ac29222caeddce78fe4ad1536bfd6c1512b5ff7d2a98bdf9a15ebc0752a8359 [INFO] running `Command { std: "docker" "start" "-a" "5ac29222caeddce78fe4ad1536bfd6c1512b5ff7d2a98bdf9a15ebc0752a8359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ac29222caeddce78fe4ad1536bfd6c1512b5ff7d2a98bdf9a15ebc0752a8359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ac29222caeddce78fe4ad1536bfd6c1512b5ff7d2a98bdf9a15ebc0752a8359", kill_on_drop: false }` [INFO] [stdout] 5ac29222caeddce78fe4ad1536bfd6c1512b5ff7d2a98bdf9a15ebc0752a8359 [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1f94d255538858d7272db08b34f8a32932095b60da67b02e5626f10272d17e7 [INFO] running `Command { std: "docker" "start" "-a" "b1f94d255538858d7272db08b34f8a32932095b60da67b02e5626f10272d17e7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking arret-syntax v0.1.0 (/opt/rustwide/workdir/syntax) [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Checking arret-runtime v0.1.0 (/opt/rustwide/workdir/runtime) [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> runtime/boxed/types/vector.rs:143:38 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn iter<'a>(&'a self) -> Box<(dyn ExactSizeIterator> + 'a)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 143 - pub fn iter<'a>(&'a self) -> Box<(dyn ExactSizeIterator> + 'a)> { [INFO] [stdout] 143 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> runtime/boxed/types/record.rs:268:12 [INFO] [stdout] | [INFO] [stdout] 268 | Inline(&'a mut InlineRecord), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 268 - Inline(&'a mut InlineRecord), [INFO] [stdout] 268 + Inline(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> runtime/boxed/types/set.rs:423:12 [INFO] [stdout] | [INFO] [stdout] 423 | Inline(&'a mut InlineSet), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 423 - Inline(&'a mut InlineSet), [INFO] [stdout] 423 + Inline(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> runtime/boxed/types/str.rs:202:12 [INFO] [stdout] | [INFO] [stdout] 202 | Inline(&'a mut InlineStr), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 202 - Inline(&'a mut InlineStr), [INFO] [stdout] 202 + Inline(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> runtime/boxed/types/vector.rs:325:22 [INFO] [stdout] | [INFO] [stdout] 325 | fn iter_mut<'a>(&'a mut self) -> impl ExactSizeIterator> + 'a { [INFO] [stdout] | ^^ ---------- -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 325 | fn iter_mut<'a>(&'a mut self) -> impl ExactSizeIterator> + 'a { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> runtime/persistent/vector.rs:154:44 [INFO] [stdout] | [INFO] [stdout] 154 | .copy_from_slice(unsafe { &(*self.tail).elements.leaf[..self.tail_size()] }); [INFO] [stdout] | ^^---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*const Node` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[MaybeUninit; 32]` [INFO] [stdout] --> runtime/persistent/vector.rs:154:44 [INFO] [stdout] | [INFO] [stdout] 154 | .copy_from_slice(unsafe { &(*self.tail).elements.leaf[..self.tail_size()] }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[deny(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 154 | .copy_from_slice(unsafe { &(&(*self.tail).elements.leaf)[..self.tail_size()] }); [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] error: could not compile `arret-runtime` (lib) due to 1 previous error; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b1f94d255538858d7272db08b34f8a32932095b60da67b02e5626f10272d17e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1f94d255538858d7272db08b34f8a32932095b60da67b02e5626f10272d17e7", kill_on_drop: false }` [INFO] [stdout] b1f94d255538858d7272db08b34f8a32932095b60da67b02e5626f10272d17e7