[INFO] cloning repository https://github.com/jnorthrup/userspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jnorthrup/userspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnorthrup%2Fuserspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnorthrup%2Fuserspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91db4b35b712ab33c3f65a29e9b7c8d227c8db50
[INFO] testing jnorthrup/userspace against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnorthrup%2Fuserspace" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jnorthrup/userspace
[INFO] finished tweaking git repo https://github.com/jnorthrup/userspace
[INFO] tweaked toml for git repo https://github.com/jnorthrup/userspace written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jnorthrup/userspace on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jnorthrup/userspace 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b039f4690e41aeb4e86512a923a757943c508dac03aa64765148552bf8bf375c
[INFO] running `Command { std: "docker" "start" "-a" "b039f4690e41aeb4e86512a923a757943c508dac03aa64765148552bf8bf375c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b039f4690e41aeb4e86512a923a757943c508dac03aa64765148552bf8bf375c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b039f4690e41aeb4e86512a923a757943c508dac03aa64765148552bf8bf375c", kill_on_drop: false }`
[INFO] [stdout] b039f4690e41aeb4e86512a923a757943c508dac03aa64765148552bf8bf375c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99aab1d38cde40693851a1d1d72b9991e6c993d632924f613dbfadeb5822c30a
[INFO] running `Command { std: "docker" "start" "-a" "99aab1d38cde40693851a1d1d72b9991e6c993d632924f613dbfadeb5822c30a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling userspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]   --> src/concurrency/dispatcher.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn dispatch<F>(dispatcher: &dyn CoroutineDispatcher, future: F) -> JoinHandle<F::Output>
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `completed_notify`
[INFO] [stdout]   --> src/concurrency/job.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let completed_notify = self.completed_notify.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_notify`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]    --> src/concurrency/launch.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let dispatcher = dispatcher.unwrap_or_else(|| context.dispatcher.clone());
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct CpuDispatcher {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 101 |     pool_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parallelism` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct LimitedDispatcher {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 137 |     parallelism: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LimitedDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Completing` is never constructed
[INFO] [stdout]   --> src/concurrency/job.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum JobState {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Completing,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JobState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/concurrency/scope.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             CONTEXT.as_ref().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.71s
[INFO] running `Command { std: "docker" "inspect" "99aab1d38cde40693851a1d1d72b9991e6c993d632924f613dbfadeb5822c30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99aab1d38cde40693851a1d1d72b9991e6c993d632924f613dbfadeb5822c30a", kill_on_drop: false }`
[INFO] [stdout] 99aab1d38cde40693851a1d1d72b9991e6c993d632924f613dbfadeb5822c30a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282f73d6b931072a09baa99be2b19fcca7aa9039c5501548caa654be89d513dd
[INFO] running `Command { std: "docker" "start" "-a" "282f73d6b931072a09baa99be2b19fcca7aa9039c5501548caa654be89d513dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling userspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]   --> src/concurrency/dispatcher.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn dispatch<F>(dispatcher: &dyn CoroutineDispatcher, future: F) -> JoinHandle<F::Output>
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `completed_notify`
[INFO] [stdout]   --> src/concurrency/job.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let completed_notify = self.completed_notify.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_notify`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]    --> src/concurrency/launch.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let dispatcher = dispatcher.unwrap_or_else(|| context.dispatcher.clone());
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct CpuDispatcher {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 101 |     pool_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parallelism` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct LimitedDispatcher {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 137 |     parallelism: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LimitedDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Completing` is never constructed
[INFO] [stdout]   --> src/concurrency/job.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum JobState {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Completing,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JobState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/concurrency/scope.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             CONTEXT.as_ref().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::dsel_impl`
[INFO] [stdout]    --> src/dsel.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::dsel_impl;
[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: `Read`
[INFO] [stdout]    --> src/handle.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |         use std::io::{Read, Write};
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]    --> src/handle.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |         use std::io::{Read, Write};
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]   --> src/concurrency/dispatcher.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn dispatch<F>(dispatcher: &dyn CoroutineDispatcher, future: F) -> JoinHandle<F::Output>
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `completed_notify`
[INFO] [stdout]   --> src/concurrency/job.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let completed_notify = self.completed_notify.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_notify`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dispatcher`
[INFO] [stdout]    --> src/concurrency/launch.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let dispatcher = dispatcher.unwrap_or_else(|| context.dispatcher.clone());
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct CpuDispatcher {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 101 |     pool_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parallelism` is never read
[INFO] [stdout]    --> src/concurrency/dispatcher.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct LimitedDispatcher {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 137 |     parallelism: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LimitedDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Completing` is never constructed
[INFO] [stdout]   --> src/concurrency/job.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum JobState {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Completing,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JobState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/concurrency/scope.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             CONTEXT.as_ref().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.25s
[INFO] running `Command { std: "docker" "inspect" "282f73d6b931072a09baa99be2b19fcca7aa9039c5501548caa654be89d513dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282f73d6b931072a09baa99be2b19fcca7aa9039c5501548caa654be89d513dd", kill_on_drop: false }`
[INFO] [stdout] 282f73d6b931072a09baa99be2b19fcca7aa9039c5501548caa654be89d513dd
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f27702d68a2ae2cdc164d8da1e9d0e6f130b25c76011d04af6f8f9ae8544a5e2
[INFO] running `Command { std: "docker" "start" "-a" "f27702d68a2ae2cdc164d8da1e9d0e6f130b25c76011d04af6f8f9ae8544a5e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dispatcher`
[INFO] [stderr]   --> src/concurrency/dispatcher.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn dispatch<F>(dispatcher: &dyn CoroutineDispatcher, future: F) -> JoinHandle<F::Output>
[INFO] [stderr]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `completed_notify`
[INFO] [stderr]   --> src/concurrency/job.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let completed_notify = self.completed_notify.clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_notify`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dispatcher`
[INFO] [stderr]    --> src/concurrency/launch.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let dispatcher = dispatcher.unwrap_or_else(|| context.dispatcher.clone());
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dispatcher`
[INFO] [stderr] 
[INFO] [stderr] warning: field `pool_size` is never read
[INFO] [stderr]    --> src/concurrency/dispatcher.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub struct CpuDispatcher {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 101 |     pool_size: usize,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CpuDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `parallelism` is never read
[INFO] [stderr]    --> src/concurrency/dispatcher.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub struct LimitedDispatcher {
[INFO] [stderr]     |            ----------------- field in this struct
[INFO] [stderr] 137 |     parallelism: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `LimitedDispatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Completing` is never constructed
[INFO] [stderr]   --> src/concurrency/job.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | enum JobState {
[INFO] [stderr]    |      -------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 43 |     Completing,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `JobState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/concurrency/scope.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             CONTEXT.as_ref().unwrap()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::dsel_impl`
[INFO] [stderr]    --> src/dsel.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     use super::dsel_impl;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/handle.rs:112:23
[INFO] [stderr]     |
[INFO] [stderr] 112 |         use std::io::{Read, Write};
[INFO] [stderr]     |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]    --> src/handle.rs:112:29
[INFO] [stderr]     |
[INFO] [stderr] 112 |         use std::io::{Read, Write};
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `userspace` (lib) generated 7 warnings
[INFO] [stderr] warning: `userspace` (lib test) generated 10 warnings (7 duplicates) (run `cargo fix --lib -p userspace --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/userspace-916d73cbefd7d7bf)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test dsel::tests::dsel_stub_compiles ... ok
[INFO] [stdout] test tests::test_async_coroutine ... ok
[INFO] [stdout] test handle::unix::tests::clone_and_drop ... ok
[INFO] [stdout] test handle::unix::tests::smoke_pair_read_write has been running for over 60 seconds
[INFO] [stdout] test tests::test_basic_launch has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f27702d68a2ae2cdc164d8da1e9d0e6f130b25c76011d04af6f8f9ae8544a5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27702d68a2ae2cdc164d8da1e9d0e6f130b25c76011d04af6f8f9ae8544a5e2", kill_on_drop: false }`
[INFO] [stdout] f27702d68a2ae2cdc164d8da1e9d0e6f130b25c76011d04af6f8f9ae8544a5e2