[INFO] fetching crate skip-linked-list 0.1.1... [INFO] testing skip-linked-list-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate skip-linked-list 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate skip-linked-list 0.1.1 [INFO] finished tweaking crates.io crate skip-linked-list 0.1.1 [INFO] tweaked toml for crates.io crate skip-linked-list 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate skip-linked-list 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate skip-linked-list 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const_fn v0.4.4 [INFO] [stderr] Downloaded rayon-core v1.9.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.1 [INFO] [stderr] Downloaded half v1.6.0 [INFO] [stderr] Downloaded rayon v1.5.0 [INFO] [stderr] Downloaded tinytemplate v1.1.0 [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1b7ed18e9d9f089b2141edc18a4df95ad7dfbd349a70997bb051f0ea2b22780 [INFO] running `Command { std: "docker" "start" "-a" "f1b7ed18e9d9f089b2141edc18a4df95ad7dfbd349a70997bb051f0ea2b22780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1b7ed18e9d9f089b2141edc18a4df95ad7dfbd349a70997bb051f0ea2b22780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1b7ed18e9d9f089b2141edc18a4df95ad7dfbd349a70997bb051f0ea2b22780", kill_on_drop: false }` [INFO] [stdout] f1b7ed18e9d9f089b2141edc18a4df95ad7dfbd349a70997bb051f0ea2b22780 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc1bf4872915b87b63aa82abe1d9ec9ddad27ee53117661144e5cb53f9823f59 [INFO] running `Command { std: "docker" "start" "-a" "bc1bf4872915b87b63aa82abe1d9ec9ddad27ee53117661144e5cb53f9823f59", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling skip-linked-list v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | 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] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [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] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_front`, `pop_back`, `iter`, `iter_mut`, and `into_iter` are never used [INFO] [stdout] --> src/list.rs:149:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl SkipLinkedList { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 149 | pub fn pop_front(&mut self) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 161 | pub fn pop_back(&mut self) -> T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 188 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> src/list.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 193 | pub struct IntoIter(SkipLinkedList); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IterMut` is never constructed [INFO] [stdout] --> src/list.rs:207:12 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct IterMut<'a, T>(Option<&'a mut Link>); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/list.rs:224:12 [INFO] [stdout] | [INFO] [stdout] 224 | pub struct Iter<'a, T>(Option<&'a Link>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | 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] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [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] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "bc1bf4872915b87b63aa82abe1d9ec9ddad27ee53117661144e5cb53f9823f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc1bf4872915b87b63aa82abe1d9ec9ddad27ee53117661144e5cb53f9823f59", kill_on_drop: false }` [INFO] [stdout] bc1bf4872915b87b63aa82abe1d9ec9ddad27ee53117661144e5cb53f9823f59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8dcd77b93fab059690689e0fe8692c8283e00220dd0461f5cb22e00ae4e0a007 [INFO] running `Command { std: "docker" "start" "-a" "8dcd77b93fab059690689e0fe8692c8283e00220dd0461f5cb22e00ae4e0a007", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | 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] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [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] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling skip-linked-list v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | 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] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [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] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | 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] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/list.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn iter_mut(&mut self) -> IterMut { [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] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 34.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "8dcd77b93fab059690689e0fe8692c8283e00220dd0461f5cb22e00ae4e0a007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dcd77b93fab059690689e0fe8692c8283e00220dd0461f5cb22e00ae4e0a007", kill_on_drop: false }` [INFO] [stdout] 8dcd77b93fab059690689e0fe8692c8283e00220dd0461f5cb22e00ae4e0a007 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f96c727eb042c8bdcd85a185cfb89652e97289c694b83b1b25e0998141a5bffd [INFO] running `Command { std: "docker" "start" "-a" "f96c727eb042c8bdcd85a185cfb89652e97289c694b83b1b25e0998141a5bffd", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/list.rs:170:17 [INFO] [stderr] | [INFO] [stderr] 170 | pub fn iter(&self) -> Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 170 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/list.rs:179:21 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 179 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `skip-linked-list` (lib) generated 2 warnings (run `cargo fix --lib -p skip-linked-list` to apply 2 suggestions) [INFO] [stderr] warning: `skip-linked-list` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `skip-linked-list` (bin "skip-linked-list" test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skip_linked_list-46b0cc73dc8b3ba6) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test list::test::basics ... ok [INFO] [stdout] test list::test::iter ... ok [INFO] [stdout] test list::test::iter_mut ... ok [INFO] [stdout] test list::test::into_iter ... ok [INFO] [stdout] test list::test::pops ... ok [INFO] [stdout] test list::test::panic_pop_back - should panic ... ok [INFO] [stdout] test list::test::panic_insert - should panic ... ok [INFO] [stdout] test list::test::panic_pop_front - should panic ... ok [INFO] [stdout] test list::test::small_random ... ok [INFO] [stdout] test list::test::drop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/skip_linked_list-358fb1851e3a1b57) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test list::test::basics ... ok [INFO] [stdout] test list::test::into_iter ... ok [INFO] [stdout] test list::test::iter_mut ... ok [INFO] [stdout] test list::test::iter ... ok [INFO] [stdout] test list::test::pops ... ok [INFO] [stdout] test list::test::small_random ... ok [INFO] [stdout] test list::test::panic_pop_back - should panic ... ok [INFO] [stdout] test list::test::panic_insert - should panic ... ok [INFO] [stdout] test list::test::panic_pop_front - should panic ... ok [INFO] [stdout] test list::test::drop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s [INFO] [stdout] [INFO] [stderr] Doc-tests skip_linked_list [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/list.rs - list::SkipLinkedList::get (line 93) ... ok [INFO] [stdout] test src/list.rs - list::SkipLinkedList (line 14) ... ok [INFO] [stdout] test src/list.rs - list::SkipLinkedList::remove (line 110) ... ok [INFO] [stdout] test src/list.rs - list::SkipLinkedList::insert (line 56) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f96c727eb042c8bdcd85a185cfb89652e97289c694b83b1b25e0998141a5bffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f96c727eb042c8bdcd85a185cfb89652e97289c694b83b1b25e0998141a5bffd", kill_on_drop: false }` [INFO] [stdout] f96c727eb042c8bdcd85a185cfb89652e97289c694b83b1b25e0998141a5bffd