[INFO] cloning repository https://github.com/di-rs/async_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/di-rs/async_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdi-rs%2Fasync_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdi-rs%2Fasync_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63c7d83e4851012e2ccb19d3b229252d0054b968
[INFO] checking di-rs/async_rust against b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4 for pr-164582
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdi-rs%2Fasync_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/di-rs/async_rust
[INFO] finished tweaking git repo https://github.com/di-rs/async_rust
[INFO] tweaked toml for git repo https://github.com/di-rs/async_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/di-rs/async_rust on toolchain b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/di-rs/async_rust 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" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/vecmac/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `vecmac` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> crates/channels/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `channels` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/rc-naive/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `rc-naive` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/linked-list/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `linked-list` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/rc/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell" }
[INFO] [stderr] 8 + [lints]
[INFO] [stderr] 9 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell" }
[INFO] [stderr] 8 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `rc` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/cell/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `cell` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> iter/flat-map/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `flat-map` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> crates/fns/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `fns` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/refcell/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell"}
[INFO] [stderr] 8 + [lints]
[INFO] [stderr] 9 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell"}
[INFO] [stderr] 8 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `refcell` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/cow/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `cow` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> iter/flatten/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `flatten` (manifest) generated 1 warning
[INFO] [stderr] warning: crates/sorting/Cargo.toml: file `/workspace/builds/worker-5-tc1/source/crates/sorting/benches/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench`
[INFO] [stderr]   * `bench` target `main`
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]   --> crates/sorting/Cargo.toml
[INFO] [stderr]    = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ itertools = "0.14.0"
[INFO] [stderr] 15 + [lints]
[INFO] [stderr] 16 + workspace = true
[INFO] [stderr]    |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ itertools = "0.14.0"
[INFO] [stderr] 15 + [lints]
[INFO] [stderr]    |
[INFO] [stderr] warning: `sorting` (manifest) generated 2 warnings
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/hashmap/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `hashmap` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/hashset/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `hashset` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]   --> pointers/boks/Cargo.toml
[INFO] [stderr]    = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ [dependencies]
[INFO] [stderr] 12 + [lints]
[INFO] [stderr] 13 + workspace = true
[INFO] [stderr]    |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ [dependencies]
[INFO] [stderr] 12 + [lints]
[INFO] [stderr]    |
[INFO] [stderr] warning: `boks` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/mutex/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `mutex` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.4.6
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded serde_spanned v1.1.2
[INFO] [stderr]   Downloaded target-tuple v1.0.2
[INFO] [stderr]   Downloaded toml_writer v1.1.3+spec-1.1.0
[INFO] [stderr]   Downloaded console-api v0.9.0
[INFO] [stderr]   Downloaded trybuild v1.0.122
[INFO] [stderr]   Downloaded toml v1.1.8+spec-1.1.0
[INFO] [stderr]   Downloaded console-subscriber v0.5.0
[INFO] [stderr]   Downloaded hdrhistogram v7.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d
[INFO] running `Command { std: "docker" "start" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d", 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" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d" "/opt/rustwide/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d" "/opt/rustwide/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> iter/flatten/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `flatten` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/cow/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `cow` (manifest) generated 1 warning
[INFO] [stderr] warning: crates/sorting/Cargo.toml: file `/opt/rustwide/workdir/crates/sorting/benches/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench`
[INFO] [stderr]   * `bench` target `main`
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]   --> crates/sorting/Cargo.toml
[INFO] [stderr]    = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ itertools = "0.14.0"
[INFO] [stderr] 15 + [lints]
[INFO] [stderr] 16 + workspace = true
[INFO] [stderr]    |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ itertools = "0.14.0"
[INFO] [stderr] 15 + [lints]
[INFO] [stderr]    |
[INFO] [stderr] warning: `sorting` (manifest) generated 2 warnings
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/hashset/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `hashset` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/hashmap/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `hashmap` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]   --> pointers/boks/Cargo.toml
[INFO] [stderr]    = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ [dependencies]
[INFO] [stderr] 12 + [lints]
[INFO] [stderr] 13 + workspace = true
[INFO] [stderr]    |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ [dependencies]
[INFO] [stderr] 12 + [lints]
[INFO] [stderr]    |
[INFO] [stderr] warning: `boks` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/mutex/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `mutex` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/vecmac/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `vecmac` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> crates/channels/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `channels` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/rc-naive/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `rc-naive` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> collections/linked-list/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `linked-list` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/rc/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell" }
[INFO] [stderr] 8 + [lints]
[INFO] [stderr] 9 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell" }
[INFO] [stderr] 8 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `rc` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/cell/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `cell` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> iter/flat-map/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `flat-map` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> pointers/refcell/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell"}
[INFO] [stderr] 8 + [lints]
[INFO] [stderr] 9 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 7 ~ cell = { path = "../cell"}
[INFO] [stderr] 8 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `refcell` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]  --> crates/fns/Cargo.toml
[INFO] [stderr]   = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr] 8 + workspace = true
[INFO] [stderr]   |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [lints]
[INFO] [stderr]   |
[INFO] [stderr] warning: `fns` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking http v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]     Checking lazy_static v1.5.1
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]     Checking thread_local v1.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]     Checking simd-adler32 v0.3.10
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]     Checking humantime v2.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.62
[INFO] [stderr]     Checking winnow v1.0.4
[INFO] [stderr]     Checking http-body v1.1.0
[INFO] [stderr]     Checking http-body-util v0.1.5
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hdrhistogram v7.6.0
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking toml_parser v1.1.5+spec-1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.41
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]    Compiling target-tuple v1.0.2
[INFO] [stderr]     Checking toml_writer v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking glob v0.3.4
[INFO] [stderr]     Checking base64 v0.23.1
[INFO] [stderr]     Checking cell v0.1.0 (/opt/rustwide/workdir/pointers/cell)
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking boks v0.1.0 (/opt/rustwide/workdir/pointers/boks)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> pointers/boks/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let b = Boks::new(&mut y);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `box1` is assigned to, but never used
[INFO] [stdout]   --> pointers/boks/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut box1 = Box::new(&*s);
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_box1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `boks1` is assigned to, but never used
[INFO] [stdout]   --> pointers/boks/src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut boks1 = Boks::new(&*s);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_boks1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `box1` is never read
[INFO] [stdout]   --> pointers/boks/src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     box1 = box2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `boks1` is never read
[INFO] [stdout]   --> pointers/boks/src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     boks1 = boks2;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TouchDrop` is never constructed
[INFO] [stdout]  --> pointers/boks/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TouchDrop<T: std::fmt::Debug>(T);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> pointers/boks/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let b = Boks::new(&mut y);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `box1` is assigned to, but never used
[INFO] [stdout]   --> pointers/boks/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut box1 = Box::new(&*s);
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_box1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `boks1` is assigned to, but never used
[INFO] [stdout]   --> pointers/boks/src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut boks1 = Boks::new(&*s);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_boks1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `box1` is never read
[INFO] [stdout]   --> pointers/boks/src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     box1 = box2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `boks1` is never read
[INFO] [stdout]   --> pointers/boks/src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     boks1 = boks2;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TouchDrop` is never constructed
[INFO] [stdout]  --> pointers/boks/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TouchDrop<T: std::fmt::Debug>(T);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rc v0.1.0 (/opt/rustwide/workdir/pointers/rc)
[INFO] [stderr]     Checking refcell v0.1.0 (/opt/rustwide/workdir/pointers/refcell)
[INFO] [stderr]     Checking cow v0.1.0 (/opt/rustwide/workdir/pointers/cow)
[INFO] [stderr]     Checking rc-naive v0.1.0 (/opt/rustwide/workdir/pointers/rc-naive)
[INFO] [stderr]     Checking flat-map v0.1.0 (/opt/rustwide/workdir/iter/flat-map)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> pointers/cell/src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn bad_sync_safe_should_panic() {
[INFO] [stdout]    |     ------------------------------- move the `impl` block outside of this function `bad_sync_safe_should_panic`
[INFO] [stdout] 43 |         unsafe impl<T> Sync for Cell<T> {}
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^----^^^^^----^^^
[INFO] [stdout]    |                        |        |
[INFO] [stdout]    |                        |        `Cell` is not local
[INFO] [stdout]    |                        `Sync` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking condvar v0.1.0 (/opt/rustwide/workdir/async_rust/02_condvar)
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir/collections/hashmap)
[INFO] [stderr]     Checking fns v0.1.0 (/opt/rustwide/workdir/crates/fns)
[INFO] [stderr]     Checking mutex v0.1.0 (/opt/rustwide/workdir/pointers/mutex)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> crates/fns/src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = bar::<u32>;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/fns/src/main.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn quox<F>(f: F)
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vecmac v0.1.0 (/opt/rustwide/workdir/collections/vecmac)
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> crates/fns/src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = bar::<u32>;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/fns/src/main.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn quox<F>(f: F)
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking channels v0.1.0 (/opt/rustwide/workdir/crates/channels)
[INFO] [stderr]     Checking flatten v0.1.0 (/opt/rustwide/workdir/iter/flatten)
[INFO] [stderr]     Checking linked-list v0.1.0 (/opt/rustwide/workdir/collections/linked-list)
[INFO] [stderr]     Checking hashset v0.1.0 (/opt/rustwide/workdir/collections/hashset)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/fourth_bad_safe_deque.rs:111:27
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<T>> {
[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] 111 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/fourth_bad_safe_deque.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<T>> {
[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] 117 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/linked_list.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn iter(&self) -> Iter<T> {
[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] 182 |     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]    --> collections/linked-list/src/linked_list.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn iter_mut(&self) -> IterMut<T> {
[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] 247 |     pub fn iter_mut(&self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> collections/linked-list/src/second_ok_stack.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn iter(&self) -> Iter<T> {
[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] 42 |     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]   --> collections/linked-list/src/second_ok_stack.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 48 |     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]   --> collections/linked-list/src/third_persistent_stack.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter<T> {
[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] 50 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml_datetime v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.1.2
[INFO] [stderr]     Checking toml v1.1.8+spec-1.1.0
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/fourth_bad_safe_deque.rs:111:27
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<T>> {
[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] 111 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/fourth_bad_safe_deque.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<T>> {
[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] 117 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> collections/linked-list/src/linked_list.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn iter(&self) -> Iter<T> {
[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] 182 |     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]    --> collections/linked-list/src/linked_list.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn iter_mut(&self) -> IterMut<T> {
[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] 247 |     pub fn iter_mut(&self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> collections/linked-list/src/second_ok_stack.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn iter(&self) -> Iter<T> {
[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] 42 |     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]   --> collections/linked-list/src/second_ok_stack.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 48 |     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]   --> collections/linked-list/src/third_persistent_stack.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter<T> {
[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] 50 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking comp_python_macro v0.1.0 (/opt/rustwide/workdir/crates/comp_macro)
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling prost-derive v0.14.4
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking pin-project v1.1.13
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking prost v0.14.4
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling multiversion-macros v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.8
[INFO] [stderr]     Checking prost-types v0.14.4
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]     Checking multiversion v0.9.0
[INFO] [stderr]     Checking sorting v0.1.0 (/opt/rustwide/workdir/crates/sorting)
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking trybuild v1.0.122
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking futures-executor v0.3.34
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]     Checking futures v0.3.34
[INFO] [stderr]     Checking tokio-util v0.7.19
[INFO] [stderr]     Checking tokio-stream v0.1.19
[INFO] [stderr]     Checking io v0.1.0 (/opt/rustwide/workdir/async_rust/03_io)
[INFO] [stderr]     Checking server_bin v0.1.0 (/opt/rustwide/workdir/async_rust/01_base/server)
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking h2 v0.4.19
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking axum v0.8.9
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]     Checking hyper v1.11.1
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking rustls-webpki v0.103.15
[INFO] [stderr]     Checking tonic v0.14.6
[INFO] [stderr]     Checking tonic-prost v0.14.6
[INFO] [stderr]     Checking console-api v0.9.0
[INFO] [stderr]     Checking console-subscriber v0.5.0
[INFO] [stderr]     Checking tokio-rustls v0.26.5
[INFO] [stderr]     Checking rustls-platform-verifier v0.7.0
[INFO] [stderr]     Checking hyper-rustls v0.27.9
[INFO] [stderr]     Checking reqwest v0.13.5
[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir/crates/my-redis)
[INFO] [stderr]     Checking connection_bin v0.1.0 (/opt/rustwide/workdir/async_rust/01_base/connection)
[INFO] [stderr]     Checking network v0.1.0 (/opt/rustwide/workdir/async_rust/04_network)
[INFO] [stderr] warning: unused dependency `console-subscriber`
[INFO] [stderr]   --> crates/my-redis/Cargo.toml:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | console-subscriber = "0.5.0"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `console-subscriber`
[INFO] [stderr] warning: `my-redis` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d", kill_on_drop: false }`
[INFO] [stdout] f612626eff40dce3ee53fc8ab1dd6d931f3e6f08942fb828bb19c16ea0bb2f9d
