[INFO] fetching crate demikernel 1.5.13...
[INFO] testing demikernel-1.5.13 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate demikernel 1.5.13 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate demikernel 1.5.13
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate demikernel 1.5.13
[INFO] tweaked toml for crates.io crate demikernel 1.5.13 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate demikernel 1.5.13 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate demikernel 1.5.13 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.43
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling histogram v0.11.0
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[INFO] [stderr]    Compiling flexi_logger v0.28.5
[INFO] [stderr]    Compiling eui48 v1.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling futures v0.3.30
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[INFO] [stderr]    Compiling bincode v1.3.3
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[INFO] [stderr]    Compiling cfgrammar v0.13.7
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[INFO] [stderr]    Compiling demikernel-network-simulator v0.1.0
[INFO] [stderr]    Compiling demikernel v1.5.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(hash_extract_if)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(noop_waker)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/rust/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:112:27
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn get_mut_values(&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] 112 |     pub fn get_mut_values(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "98b7f11c215794eebe05ac15f317ea16a6b1e0e2df580bf090255d11a6d69d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b7f11c215794eebe05ac15f317ea16a6b1e0e2df580bf090255d11a6d69d2f", kill_on_drop: false }`
[INFO] [stdout] 98b7f11c215794eebe05ac15f317ea16a6b1e0e2df580bf090255d11a6d69d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1df5d81237048310ad98c4c9171a4502a88b76005111a95a7b5a2b3e673381b
[INFO] running `Command { std: "docker" "start" "-a" "a1df5d81237048310ad98c4c9171a4502a88b76005111a95a7b5a2b3e673381b", kill_on_drop: false }`
[INFO] [stderr]    Compiling demikernel v1.5.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(hash_extract_if)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(noop_waker)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/rust/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:112:27
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn get_mut_values(&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] 112 |     pub fn get_mut_values(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/pipe-open/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(hash_extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/pipe-open/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-close/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(hash_extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-close/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> examples/tcp-close/server.rs:237:61
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let qts_dropped: Vec<QToken> = self.pending_qtokens.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                                             ^^^^^^^^^^--------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:11
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let qts_dropped: Vec<QToken> = self.pending_qtokens.extract_if(|x| qts_drained.contains_key(x), /* filter */).collect();
[INFO] [stdout]     |                                                                                                       ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@examples/tcp-close/server.rs:237:72: 237:75}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> examples/tcp-close/server.rs:237:72
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let qts_dropped: Vec<QToken> = self.pending_qtokens.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                                             ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@examples/tcp-close/server.rs:237:72: 237:75}`
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-wait/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(hash_extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-wait/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-echo/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(hash_extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/tcp-echo/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> examples/tcp-wait/server.rs:180:49
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let qts_dropped: Vec<QToken> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                                 ^^^^^^^^^^--------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:11
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let qts_dropped: Vec<QToken> = self.qts.extract_if(|x| qts_drained.contains_key(x), /* filter */).collect();
[INFO] [stdout]     |                                                                                           ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demikernel` (example "tcp-close") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `{closure@examples/tcp-wait/server.rs:180:60: 180:63}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> examples/tcp-wait/server.rs:180:60
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let qts_dropped: Vec<QToken> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                                 ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@examples/tcp-wait/server.rs:180:60: 180:63}`
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> examples/tcp-echo/client.rs:422:34
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                  ^^^^^^^^^^--------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:11
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x), /* filter */).collect();
[INFO] [stdout]     |                                                                            ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@examples/tcp-echo/client.rs:422:45: 422:48}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> examples/tcp-echo/client.rs:422:45
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                  ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@examples/tcp-echo/client.rs:422:45: 422:48}`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demikernel` (example "tcp-wait") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> examples/tcp-echo/server.rs:247:34
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                  ^^^^^^^^^^--------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:11
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x), /* filter */).collect();
[INFO] [stdout]     |                                                                            ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@examples/tcp-echo/server.rs:247:45: 247:48}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> examples/tcp-echo/server.rs:247:45
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _: Vec<_> = self.qts.extract_if(|x| qts_drained.contains_key(x)).collect();
[INFO] [stdout]     |                                  ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@examples/tcp-echo/server.rs:247:45: 247:48}`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/vec/mod.rs:3953:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demikernel` (example "tcp-echo") due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] warning: the feature `hash_extract_if` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(hash_extract_if)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/rust/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(noop_waker)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/rust/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_values(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rust/collections/async_queue.rs:112:27
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn get_mut_values(&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] 112 |     pub fn get_mut_values(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1df5d81237048310ad98c4c9171a4502a88b76005111a95a7b5a2b3e673381b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1df5d81237048310ad98c4c9171a4502a88b76005111a95a7b5a2b3e673381b", kill_on_drop: false }`
[INFO] [stdout] a1df5d81237048310ad98c4c9171a4502a88b76005111a95a7b5a2b3e673381b
