[INFO] fetching crate adamantium 0.0.1...
[INFO] checking adamantium-0.0.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate adamantium 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate adamantium 0.0.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adamantium 0.0.1
[INFO] finished tweaking crates.io crate adamantium 0.0.1
[INFO] tweaked toml for crates.io crate adamantium 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38eb35461051c5259d453c5764b0e37392680ee23d294112332ac90f7c1b5ee2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38eb35461051c5259d453c5764b0e37392680ee23d294112332ac90f7c1b5ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38eb35461051c5259d453c5764b0e37392680ee23d294112332ac90f7c1b5ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38eb35461051c5259d453c5764b0e37392680ee23d294112332ac90f7c1b5ee2", kill_on_drop: false }`
[INFO] [stdout] 38eb35461051c5259d453c5764b0e37392680ee23d294112332ac90f7c1b5ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48a77ec9490781616843807115d895c9fb3fbe6133ca6c381a60bc2c3033d11f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48a77ec9490781616843807115d895c9fb3fbe6133ca6c381a60bc2c3033d11f", kill_on_drop: false }`
[INFO] [stderr]     Checking adamantium v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:183:77
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn insert_or_modify_with(&self, key: Arc<K>, val: Arc<V>, modifier: |&V| -> V) -> Map<K, V> {
[INFO] [stdout]     |                                                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:183:77
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn insert_or_modify_with(&self, key: Arc<K>, val: Arc<V>, modifier: |&V| -> V) -> Map<K, V> {
[INFO] [stdout]     |                                                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:341:45
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn adjust(&self, key: &K, modifier: |&V| -> V) -> Map<K, V> {
[INFO] [stdout]     |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:356:45
[INFO] [stdout]     |
[INFO] [stdout] 356 |     pub fn update(&self, key: &K, modifier: |&V| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:384:48
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `<`
[INFO] [stdout]    --> src/map.rs:384:67
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                                   ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]     |
[INFO] [stdout]     = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, _: Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:341:45
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn adjust(&self, key: &K, modifier: |&V| -> V) -> Map<K, V> {
[INFO] [stdout]     |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:356:45
[INFO] [stdout]     |
[INFO] [stdout] 356 |     pub fn update(&self, key: &K, modifier: |&V| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/map.rs:384:48
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `<`
[INFO] [stdout]    --> src/map.rs:384:67
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                                   ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]     |
[INFO] [stdout]     = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn alter(&self, key: Arc<K>, modifier: |Option<&K>, _: Option<&V>| -> Option<V>) -> Map<K, V> {
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/map.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |         size: uint,
[INFO] [stdout]    |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/map.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len(&self) -> uint {
[INFO] [stdout]    |                          ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     Equal   => Map::bin_ref(&key, &Arc::new(modifier(&**valuex)), leftx, rightx),
[INFO] [stdout]     |                                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/map.rs:200:15
[INFO] [stdout]     |
[INFO] [stdout] 200 | static RATIO: uint = 2;
[INFO] [stdout]     |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/map.rs:201:15
[INFO] [stdout]     |
[INFO] [stdout] 201 | static DELTA: uint = 3;
[INFO] [stdout]     |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:346:92
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.adjust(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:347:103
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.adjust(key, modifier))),
[INFO] [stdout]     |                                                                                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:348:62
[INFO] [stdout]     |
[INFO] [stdout] 348 |                     Equal   => Map::bin(kx.clone(), Arc::new(modifier(&**vx)), l.clone(), r.clone())
[INFO] [stdout]     |                                                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:361:92
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.update(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:362:103
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.update(key, modifier))),
[INFO] [stdout]     |                                                                                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:364:31
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         match modifier(&**vx) {
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:387:23
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 match modifier(None, None) {
[INFO] [stdout]     |                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:396:91
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.alter(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                           ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:397:102
[INFO] [stdout]     |
[INFO] [stdout] 397 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.alter(key, modifier))),
[INFO] [stdout]     |                                                                                                      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:399:31
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         match modifier(Some(&**kx), Some(&**vx)) {
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/list.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<'a, T: Send + Sync> Iterator<&'a T> for ListItems<'a, T> {
[INFO] [stdout]    |                                   ^^^^^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/map.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |         size: uint,
[INFO] [stdout]    |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/map.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len(&self) -> uint {
[INFO] [stdout]    |                          ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     Equal   => Map::bin_ref(&key, &Arc::new(modifier(&**valuex)), leftx, rightx),
[INFO] [stdout]     |                                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/map.rs:200:15
[INFO] [stdout]     |
[INFO] [stdout] 200 | static RATIO: uint = 2;
[INFO] [stdout]     |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/map.rs:201:15
[INFO] [stdout]     |
[INFO] [stdout] 201 | static DELTA: uint = 3;
[INFO] [stdout]     |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:346:92
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.adjust(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:347:103
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.adjust(key, modifier))),
[INFO] [stdout]     |                                                                                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:348:62
[INFO] [stdout]     |
[INFO] [stdout] 348 |                     Equal   => Map::bin(kx.clone(), Arc::new(modifier(&**vx)), l.clone(), r.clone())
[INFO] [stdout]     |                                                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:361:92
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.update(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:362:103
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.update(key, modifier))),
[INFO] [stdout]     |                                                                                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:364:31
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         match modifier(&**vx) {
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:387:23
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 match modifier(None, None) {
[INFO] [stdout]     |                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:396:91
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     Less    => Map::balance(kx.clone(), vx.clone(), Arc::new(l.alter(key, modifier)), r.clone()),
[INFO] [stdout]     |                                                                                           ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:397:102
[INFO] [stdout]     |
[INFO] [stdout] 397 |                     Greater => Map::balance(kx.clone(), vx.clone(), l.clone(), Arc::new(r.alter(key, modifier))),
[INFO] [stdout]     |                                                                                                      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `modifier` in this scope
[INFO] [stdout]    --> src/map.rs:399:31
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         match modifier(Some(&**kx), Some(&**vx)) {
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/list.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<'a, T: Send + Sync> Iterator<&'a T> for ListItems<'a, T> {
[INFO] [stdout]    |                                   ^^^^^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]   --> src/list.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<'a, T: Send + Sync> Iterator<&'a T> for ListItems<'a, T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Item = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]   --> src/list.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<'a, T: Send + Sync> Iterator<&'a T> for ListItems<'a, T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Item = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<K>` in the current scope
[INFO] [stdout]   --> src/map.rs:57:78
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Bin { ref key, ref left, ref right, ref value, .. } => match key.deref().cmp(lookup) {
[INFO] [stdout]    |                                                                              ^^^^^ method not found in `&Arc<K>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/map.rs:207:40
[INFO] [stdout]     |
[INFO] [stdout] 204 | impl<K: Send + Sync + Ord, V: Send + Sync> Map<K, V> {
[INFO] [stdout]     |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 207 |         if left.len() + right.len() <= 1 {
[INFO] [stdout]     |                                        ^ expected type parameter `K`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `K`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:219:21
[INFO] [stdout]     |
[INFO] [stdout] 219 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:232:20
[INFO] [stdout]     |
[INFO] [stdout] 232 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:254:20
[INFO] [stdout]     |
[INFO] [stdout] 254 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:265:21
[INFO] [stdout]     |
[INFO] [stdout] 265 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<_, _>>` in the current scope
[INFO] [stdout]    --> src/map.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 match lx.clone().deref() {
[INFO] [stdout]     |                                  ^^^^^ method not found in `Arc<map::Map<_, _>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<_, _>>` in the current scope
[INFO] [stdout]    --> src/map.rs:284:34
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 match rx.clone().deref() {
[INFO] [stdout]     |                                  ^^^^^ method not found in `Arc<map::Map<_, _>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |         match (left.deref(), right.deref()) {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:299:36
[INFO] [stdout]     |
[INFO] [stdout] 299 |         match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:419:29
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:419:44
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:435:29
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:435:44
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:453:29
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:478:29
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:478:44
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 44 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0425, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adamantium`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<K>` in the current scope
[INFO] [stdout]   --> src/map.rs:57:78
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Bin { ref key, ref left, ref right, ref value, .. } => match key.deref().cmp(lookup) {
[INFO] [stdout]    |                                                                              ^^^^^ method not found in `&Arc<K>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/map.rs:207:40
[INFO] [stdout]     |
[INFO] [stdout] 204 | impl<K: Send + Sync + Ord, V: Send + Sync> Map<K, V> {
[INFO] [stdout]     |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 207 |         if left.len() + right.len() <= 1 {
[INFO] [stdout]     |                                        ^ expected type parameter `K`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `K`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:219:21
[INFO] [stdout]     |
[INFO] [stdout] 219 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:232:20
[INFO] [stdout]     |
[INFO] [stdout] 232 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:254:20
[INFO] [stdout]     |
[INFO] [stdout] 254 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:265:21
[INFO] [stdout]     |
[INFO] [stdout] 265 |         match right.deref() {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<_, _>>` in the current scope
[INFO] [stdout]    --> src/map.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 match lx.clone().deref() {
[INFO] [stdout]     |                                  ^^^^^ method not found in `Arc<map::Map<_, _>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |         match left.deref() {
[INFO] [stdout]     |                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<_, _>>` in the current scope
[INFO] [stdout]    --> src/map.rs:284:34
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 match rx.clone().deref() {
[INFO] [stdout]     |                                  ^^^^^ method not found in `Arc<map::Map<_, _>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |         match (left.deref(), right.deref()) {
[INFO] [stdout]     |                     ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for struct `Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:299:36
[INFO] [stdout]     |
[INFO] [stdout] 299 |         match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                    ^^^^^ method not found in `Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:419:29
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:419:44
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:435:29
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:435:44
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:453:29
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:478:29
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                             ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deref` found for reference `&Arc<map::Map<K, V>>` in the current scope
[INFO] [stdout]    --> src/map.rs:478:44
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 match (left.deref(), right.deref()) {
[INFO] [stdout]     |                                            ^^^^^ method not found in `&Arc<map::Map<K, V>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::ops::Deref;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 44 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0425, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48a77ec9490781616843807115d895c9fb3fbe6133ca6c381a60bc2c3033d11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a77ec9490781616843807115d895c9fb3fbe6133ca6c381a60bc2c3033d11f", kill_on_drop: false }`
[INFO] [stdout] 48a77ec9490781616843807115d895c9fb3fbe6133ca6c381a60bc2c3033d11f