[INFO] cloning repository https://github.com/molyee/common
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/molyee/common" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca3b0665c975848ddc1424f57de181afae1ef201
[INFO] testing molyee/common against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon" "/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/.cargo/config
[INFO] started tweaking git repo https://github.com/molyee/common
[INFO] finished tweaking git repo https://github.com/molyee/common
[INFO] tweaked toml for git repo https://github.com/molyee/common written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/molyee/common on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.106)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.45)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.117)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.50.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.5.0
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded rand_chacha v0.10.0
[INFO] [stderr]   Downloaded rand_pcg v0.10.1
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28765fd17a8ae7d2a2c4fac569508b167864a025413fed784b195c3221270338
[INFO] running `Command { std: "docker" "start" "-a" "28765fd17a8ae7d2a2c4fac569508b167864a025413fed784b195c3221270338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28765fd17a8ae7d2a2c4fac569508b167864a025413fed784b195c3221270338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28765fd17a8ae7d2a2c4fac569508b167864a025413fed784b195c3221270338", kill_on_drop: false }`
[INFO] [stdout] 28765fd17a8ae7d2a2c4fac569508b167864a025413fed784b195c3221270338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b9da772c1972944c79b79cec6303f918ba1714cc969b6ea164aa296002e6d5
[INFO] running `Command { std: "docker" "start" "-a" "a0b9da772c1972944c79b79cec6303f918ba1714cc969b6ea164aa296002e6d5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> shared/src/ptr.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         while stored == self.0.compare_and_swap(cur, p, Ordering::Release) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `put` is never used
[INFO] [stdout]   --> shared/src/ptr.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> Ptr<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn put(&self, p: &mut T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shared/src/link.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lock(&self) -> MutexGuard<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] 27 |     pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shared/src/link.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn lock(&self) -> MutexGuard<RefCell<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] 61 |     pub fn lock(&self) -> MutexGuard<'_, RefCell<T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.10.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]    Compiling verify v0.1.0 (/opt/rustwide/workdir/verify)
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stderr]    Compiling dawg v0.1.0 (/opt/rustwide/workdir/dawg)
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/timer)
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = &self.pool.release(entry);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling email v0.1.0 (/opt/rustwide/workdir/email)
[INFO] [stderr]    Compiling rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> email/src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn verify(&self, obj: &Self::Obj) -> Result<(), Self::Err> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling combinatorics v0.1.0 (/opt/rustwide/workdir/combinatorics)
[INFO] [stderr]    Compiling time v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> dawg/src/pool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::size_of`
[INFO] [stdout]  --> dawg/src/bitpool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> dawg/src/pool.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> dawg/src/custom.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> dawg/src/custom.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> dawg/src/custom.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node<V>` is more private than the item `Dawg::<K, V>::root`
[INFO] [stdout]   --> dawg/src/custom.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Dawg::<K, V>::root` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Node<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> dawg/src/custom.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Node<V> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pool` is never constructed
[INFO] [stdout]  --> dawg/src/pool.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Pool<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: associated items `BLOCK_SIZE`, `size`, `swap`, `clear`, and `allocate` are never used
[INFO] [stdout]   --> dawg/src/pool.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Pool<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn allocate(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Int` is never used
[INFO] [stdout]  --> dawg/src/bitpool.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Int = usize;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitPool` is never constructed
[INFO] [stdout]  --> dawg/src/bitpool.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BitPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE` and `get` are never used
[INFO] [stdout]   --> dawg/src/bitpool.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BitPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub fn get(&self, index: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dawg` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Dawg<K, V> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<V> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `empty` are never used
[INFO] [stdout]   --> dawg/src/custom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<V> Node<V> {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new(value: Option<V>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Edge<K> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> dawg/src/custom.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K, V> Dawg<K, V> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn node(&self, idx: usize) -> &Node<V> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Traverse` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Traverse<'d, K, V, I> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dawg/src/custom.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[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] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<'_, K, V, I>
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> time/src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Date(u16);
[INFO] [stdout]   |            ---- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> time/src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DateTime(u32);
[INFO] [stdout]   |            -------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand_core::RngCore`: use `Rng` instead
[INFO] [stdout]  --> rand/src/core.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use rand_core::RngCore;
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling merge_derive v0.1.0 (/opt/rustwide/workdir/merge_derive)
[INFO] [stderr]    Compiling convert_derive v0.1.0 (/opt/rustwide/workdir/convert/derive)
[INFO] [stderr]    Compiling convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl_transmute!(u128, [u8; 16]);
[INFO] [stdout]    | ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u128::to_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl_transmute!(u64, [u8; 8]);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u64::to_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl_transmute!(u32, [u8; 4]);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u32::to_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl_transmute!(u16, [u8; 2]);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u16::to_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl_transmute!([u8; 16], u128);
[INFO] [stdout]    | ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u128::from_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl_transmute!([u8; 8], u64);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u64::from_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl_transmute!([u8; 4], u32);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u32::from_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> convert/src/transmute.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 unsafe { core::mem::transmute(self) }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: convert/src/integer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl_transmute!([u8; 2], u16);
[INFO] [stdout]    | ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `impl_transmute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 unsafe { core::mem::transmute(self) }
[INFO] [stdout] 11 +                 unsafe { u16::from_ne_bytes(self) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stdout] warning: unused import: `rand::core::RngCore`
[INFO] [stdout]  --> uuid/src/v4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::core::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::core::RngCore`: use `Rng` instead
[INFO] [stdout]  --> uuid/src/v4.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::core::RngCore;
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]   --> uuid/src/v4.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         rng.fill_bytes(bytes.as_mut());
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.10.0/src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn fill_bytes(&mut self, dst: &mut [u8]);
[INFO] [stdout]    |        ---------- the method is available for `Mcg128Xsl64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `fill_bytes` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  1 + use rand_core::Rng;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `try_fill_bytes` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 25 |         rng.try_fill_bytes(bytes.as_mut());
[INFO] [stdout]    |             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uuid` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a0b9da772c1972944c79b79cec6303f918ba1714cc969b6ea164aa296002e6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b9da772c1972944c79b79cec6303f918ba1714cc969b6ea164aa296002e6d5", kill_on_drop: false }`
[INFO] [stdout] a0b9da772c1972944c79b79cec6303f918ba1714cc969b6ea164aa296002e6d5
