[INFO] cloning repository https://github.com/cniessigma/rust_lru
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cniessigma/rust_lru" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 268ad4a34202dd1183bd32e29dfbfcf59dbbebb3
[INFO] testing cniessigma/rust_lru against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru" "/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/cniessigma/rust_lru
[INFO] finished tweaking git repo https://github.com/cniessigma/rust_lru
[INFO] tweaked toml for git repo https://github.com/cniessigma/rust_lru written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cniessigma/rust_lru on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cniessigma/rust_lru 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de41ded0ee9fe7a55289e049cdcc3b43b372ffdf7d5606c0e0d44fa03a33193
[INFO] running `Command { std: "docker" "start" "-a" "5de41ded0ee9fe7a55289e049cdcc3b43b372ffdf7d5606c0e0d44fa03a33193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de41ded0ee9fe7a55289e049cdcc3b43b372ffdf7d5606c0e0d44fa03a33193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de41ded0ee9fe7a55289e049cdcc3b43b372ffdf7d5606c0e0d44fa03a33193", kill_on_drop: false }`
[INFO] [stdout] 5de41ded0ee9fe7a55289e049cdcc3b43b372ffdf7d5606c0e0d44fa03a33193
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] decc0e2930dd6425d273047705ef5e9ff7e3e1ab227a358d40369d43f88bf337
[INFO] running `Command { std: "docker" "start" "-a" "decc0e2930dd6425d273047705ef5e9ff7e3e1ab227a358d40369d43f88bf337", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/linked_list/cellist.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let n = match ptr {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |   fn iter(&self) -> DLLIterator<T, Self> {
[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] 33 |   fn iter(&self) -> DLLIterator<'_, T, Self> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<T, Self> {
[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] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lru.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout]    |               --                 --               ^^ the same lifetime is elided here
[INFO] [stdout]    |               |                  |
[INFO] [stdout]    |               |                  the lifetime is named here
[INFO] [stdout]    |               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 26 -   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout] 26 +   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "decc0e2930dd6425d273047705ef5e9ff7e3e1ab227a358d40369d43f88bf337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decc0e2930dd6425d273047705ef5e9ff7e3e1ab227a358d40369d43f88bf337", kill_on_drop: false }`
[INFO] [stdout] decc0e2930dd6425d273047705ef5e9ff7e3e1ab227a358d40369d43f88bf337
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 050682242e189ca5cc0ccb8294a758a3ad8b78e91338577e29f8d85f61f7e8c5
[INFO] running `Command { std: "docker" "start" "-a" "050682242e189ca5cc0ccb8294a758a3ad8b78e91338577e29f8d85f61f7e8c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/linked_list/cellist.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let n = match ptr {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |   fn iter(&self) -> DLLIterator<T, Self> {
[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] 33 |   fn iter(&self) -> DLLIterator<'_, T, Self> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<T, Self> {
[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] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lru.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout]    |               --                 --               ^^ the same lifetime is elided here
[INFO] [stdout]    |               |                  |
[INFO] [stdout]    |               |                  the lifetime is named here
[INFO] [stdout]    |               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 26 -   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout] 26 +   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling lru_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/linked_list/cellist.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let n = match ptr {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |   fn iter(&self) -> DLLIterator<T, Self> {
[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] 33 |   fn iter(&self) -> DLLIterator<'_, T, Self> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<T, Self> {
[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] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lru.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout]    |               --                 --               ^^ the same lifetime is elided here
[INFO] [stdout]    |               |                  |
[INFO] [stdout]    |               |                  the lifetime is named here
[INFO] [stdout]    |               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 26 -   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stdout] 26 +   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "050682242e189ca5cc0ccb8294a758a3ad8b78e91338577e29f8d85f61f7e8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050682242e189ca5cc0ccb8294a758a3ad8b78e91338577e29f8d85f61f7e8c5", kill_on_drop: false }`
[INFO] [stdout] 050682242e189ca5cc0ccb8294a758a3ad8b78e91338577e29f8d85f61f7e8c5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02481acc30e70c04394680f4d573db016524e0973073d0cad192f045990d1771
[INFO] running `Command { std: "docker" "start" "-a" "02481acc30e70c04394680f4d573db016524e0973073d0cad192f045990d1771", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/linked_list/cellist.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let n = match ptr {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/linked_list.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 |   fn iter(&self) -> DLLIterator<T, Self> {
[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] 33 |   fn iter(&self) -> DLLIterator<'_, T, Self> {
[INFO] [stderr]    |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/linked_list.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<T, Self> {
[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] 41 |   fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lru.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stderr]    |               --                 --               ^^ the same lifetime is elided here
[INFO] [stderr]    |               |                  |
[INFO] [stderr]    |               |                  the lifetime is named here
[INFO] [stderr]    |               the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 26 -   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> {
[INFO] [stderr] 26 +   fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lru_cache` (lib) generated 4 warnings (run `cargo fix --lib -p lru_cache` to apply 4 suggestions)
[INFO] [stderr] warning: `lru_cache` (lib test) generated 4 warnings (4 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 v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lru_cache-ce19272765822449)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test linked_list::cellist::test::mut_test ... ok
[INFO] [stdout] test linked_list::cellist::test::test ... ok
[INFO] [stdout] test linked_list::veclist::test::mut_test ... ok
[INFO] [stdout] test linked_list::veclist::test::test ... ok
[INFO] [stdout] test lru::cellru::test::test ... ok
[INFO] [stderr]    Doc-tests lru_cache
[INFO] [stdout] test lru::veclru::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02481acc30e70c04394680f4d573db016524e0973073d0cad192f045990d1771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02481acc30e70c04394680f4d573db016524e0973073d0cad192f045990d1771", kill_on_drop: false }`
[INFO] [stdout] 02481acc30e70c04394680f4d573db016524e0973073d0cad192f045990d1771
