[INFO] fetching crate skew-heap 0.2.0... [INFO] fixing skew-heap-0.2.0 against try#5fed607fb5806ae20927e7e9193e3793c411ac20+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817 [INFO] extracting crate skew-heap 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate skew-heap 0.2.0 [INFO] finished tweaking crates.io crate skew-heap 0.2.0 [INFO] tweaked toml for crates.io crate skew-heap 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate skew-heap 0.2.0 on toolchain 5fed607fb5806ae20927e7e9193e3793c411ac20 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "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" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.2.27 (available: v1.1.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `skew-heap` (manifest) generated 1 warning [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432 [INFO] running `Command { std: "docker" "start" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432" "/opt/rustwide/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432" "/opt/rustwide/cargo-home/bin/cargo" "+5fed607fb5806ae20927e7e9193e3793c411ac20" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }` [INFO] [stderr] crater-edition-check: migrating to next edition [INFO] [stderr] Migrating Cargo.toml from 2015 edition to 2018 [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `skew-heap` (manifest) generated 1 warning [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking log v0.4.32 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Migrating src/lib.rs from 2015 edition to 2018 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stderr] Migrating tests/quickcheck.rs from 2015 edition to 2018 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s [INFO] [stderr] crater-edition-check: skew-heap v0.2.0 (/opt/rustwide/workdir) updating edition from 2015 to 2018 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> Iter { [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] 67 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/quickcheck.rs:28:29 [INFO] [stdout] | [INFO] [stdout] 28 | fn shrink(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn shrink(&self) -> Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/quickcheck.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | Len(usize, usize), [INFO] [stdout] | --- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Disagreement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 65 - Len(usize, usize), [INFO] [stdout] 65 + Len((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s [INFO] [stderr] crater-edition-check: migrating to next edition [INFO] [stderr] Migrating Cargo.toml from 2015 edition to 2018 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/quickcheck.rs from 2018 edition to 2021 [INFO] [stderr] Fixed tests/quickcheck.rs (1 fix) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s [INFO] [stderr] crater-edition-check: skew-heap v0.2.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> Iter { [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] 67 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/quickcheck.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | Len(usize, usize), [INFO] [stdout] | --- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Disagreement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 65 - Len(usize, usize), [INFO] [stdout] 65 + Len((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s [INFO] [stderr] crater-edition-check: migrating to next edition [INFO] [stderr] Migrating Cargo.toml from 2015 edition to 2018 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stdout] warning: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:345:23 [INFO] [stdout] | [INFO] [stdout] 343 | self.node.take().map(|mut node| { [INFO] [stdout] | -------- [INFO] [stdout] | | [INFO] [stdout] | `node` calls a custom destructor [INFO] [stdout] | `node` will be dropped later as of Edition 2024 [INFO] [stdout] 344 | loop { [INFO] [stdout] 345 | match node.l.take() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 350 | Some(mut l) => { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `l` calls a custom destructor [INFO] [stdout] | `l` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 356 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating tests/quickcheck.rs from 2021 edition to 2024 [INFO] [stderr] Fixed tests/quickcheck.rs (6 fixes) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s [INFO] [stderr] crater-edition-check: skew-heap v0.2.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024 [INFO] [stderr] Checking skew-heap v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> Iter { [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] 67 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/quickcheck.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | Len(usize, usize), [INFO] [stdout] | --- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Disagreement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 65 - Len(usize, usize), [INFO] [stdout] 65 + Len((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s [INFO] [stderr] crater-edition-check all packages now at latest edition [INFO] [stderr] crater-edition-check: all finished [INFO] running `Command { std: "docker" "inspect" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432", kill_on_drop: false }` [INFO] [stdout] 4fec8d29eaeeabd4914b8597cf2f83f7b0035f796a151a10b4ed7737c665f432