[INFO] fetching crate f 0.2.0...
[INFO] testing f-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate f 0.2.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate f 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate f 0.2.0
[INFO] finished tweaking crates.io crate f 0.2.0
[INFO] tweaked toml for crates.io crate f 0.2.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 834ce486d2afc2446890bfc8bd6cb1fa619e2cb698478ff97acccf67d4f5c0ee
[INFO] running `Command { std: "docker" "start" "-a" "834ce486d2afc2446890bfc8bd6cb1fa619e2cb698478ff97acccf67d4f5c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834ce486d2afc2446890bfc8bd6cb1fa619e2cb698478ff97acccf67d4f5c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834ce486d2afc2446890bfc8bd6cb1fa619e2cb698478ff97acccf67d4f5c0ee", kill_on_drop: false }`
[INFO] [stdout] 834ce486d2afc2446890bfc8bd6cb1fa619e2cb698478ff97acccf67d4f5c0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ede8b7041f0a1d243de855462e635c7f4714270089c94979839144e35e0903
[INFO] running `Command { std: "docker" "start" "-a" "31ede8b7041f0a1d243de855462e635c7f4714270089c94979839144e35e0903", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling f v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "31ede8b7041f0a1d243de855462e635c7f4714270089c94979839144e35e0903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ede8b7041f0a1d243de855462e635c7f4714270089c94979839144e35e0903", kill_on_drop: false }`
[INFO] [stdout] 31ede8b7041f0a1d243de855462e635c7f4714270089c94979839144e35e0903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee936f0a3b929a948d11570c273ddf4d51eb9aa027bb0fac16e5b02632b97d5
[INFO] running `Command { std: "docker" "start" "-a" "4ee936f0a3b929a948d11570c273ddf4d51eb9aa027bb0fac16e5b02632b97d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling f v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ThreadId`, `current`
[INFO] [stdout]  --> src/thread/mod.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{JoinHandle, ThreadId, current};
[INFO] [stdout]   |                               ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
[INFO] [stdout]  --> src/sync/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |                 TryLockResult as StdTryLockResult};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
[INFO] [stdout]  --> src/sync/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `XorShiftRng`
[INFO] [stdout]  --> src/sched.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
[INFO] [stdout]   |                           ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dur`
[INFO] [stdout]   --> src/sched.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dur`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sleeping`
[INFO] [stdout]   --> src/sched.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     sleeping: BTreeMap<Instant, ThreadId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sched.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clock`
[INFO] [stdout]   --> src/sched.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     clock: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sched.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `runnable`
[INFO] [stdout]   --> src/sched.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     runnable: HashSet<ThreadId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sched.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sched.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new() -> Process {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tid_to_group`
[INFO] [stdout]   --> src/sched.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/sched.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn run<F, T>(&self, f: F) -> T
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tid`
[INFO] [stdout]   --> src/sched.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn tid() -> ThreadId {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/f-47248a88bc13a50f)
[INFO] running `Command { std: "docker" "inspect" "4ee936f0a3b929a948d11570c273ddf4d51eb9aa027bb0fac16e5b02632b97d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee936f0a3b929a948d11570c273ddf4d51eb9aa027bb0fac16e5b02632b97d5", kill_on_drop: false }`
[INFO] [stdout] 4ee936f0a3b929a948d11570c273ddf4d51eb9aa027bb0fac16e5b02632b97d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94cc884cc5cc201596a78d3aee5e683d830e9b0259672a1a32209838a08238eb
[INFO] running `Command { std: "docker" "start" "-a" "94cc884cc5cc201596a78d3aee5e683d830e9b0259672a1a32209838a08238eb", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `f` (lib) generated 1 warning
[INFO] [stderr] warning: unused imports: `ThreadId`, `current`
[INFO] [stderr]  --> src/thread/mod.rs:2:31
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread::{JoinHandle, ThreadId, current};
[INFO] [stderr]   |                               ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
[INFO] [stderr]  --> src/sync/mod.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 6 |                 TryLockResult as StdTryLockResult};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
[INFO] [stderr]  --> src/sync/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `XorShiftRng`
[INFO] [stderr]  --> src/sched.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
[INFO] [stderr]   |                           ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dur`
[INFO] [stderr]   --> src/sched.rs:55:32
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dur`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sleeping`
[INFO] [stderr]   --> src/sched.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     sleeping: BTreeMap<Instant, ThreadId>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/sched.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clock`
[INFO] [stderr]   --> src/sched.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     clock: u64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/sched.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `runnable`
[INFO] [stderr]   --> src/sched.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     runnable: HashSet<ThreadId>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/sched.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/sched.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn new() -> Process {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tid_to_group`
[INFO] [stderr]   --> src/sched.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/sched.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn run<F, T>(&self, f: F) -> T
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tid`
[INFO] [stderr]   --> src/sched.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn tid() -> ThreadId {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `f` (lib test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/f-47248a88bc13a50f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94cc884cc5cc201596a78d3aee5e683d830e9b0259672a1a32209838a08238eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cc884cc5cc201596a78d3aee5e683d830e9b0259672a1a32209838a08238eb", kill_on_drop: false }`
[INFO] [stdout] 94cc884cc5cc201596a78d3aee5e683d830e9b0259672a1a32209838a08238eb