[INFO] fetching crate w 0.2.0... [INFO] testing w-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate w 0.2.0 into /workspace/builds/worker-69/source [INFO] validating manifest of crates.io crate w 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate w 0.2.0 [INFO] finished tweaking crates.io crate w 0.2.0 [INFO] tweaked toml for crates.io crate w 0.2.0 written to /workspace/builds/worker-69/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08c8e3b8e70df5f456231c22602fb5652b18d8d0503ea673bdc148f8ff0ba4e8 [INFO] running `Command { std: "docker" "start" "-a" "08c8e3b8e70df5f456231c22602fb5652b18d8d0503ea673bdc148f8ff0ba4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08c8e3b8e70df5f456231c22602fb5652b18d8d0503ea673bdc148f8ff0ba4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08c8e3b8e70df5f456231c22602fb5652b18d8d0503ea673bdc148f8ff0ba4e8", kill_on_drop: false }` [INFO] [stdout] 08c8e3b8e70df5f456231c22602fb5652b18d8d0503ea673bdc148f8ff0ba4e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aaaba42db2bcab62481cdead76a5e4a34dd1504f8c5a4e4044b769321d2b567a [INFO] running `Command { std: "docker" "start" "-a" "aaaba42db2bcab62481cdead76a5e4a34dd1504f8c5a4e4044b769321d2b567a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling w 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 5.98s [INFO] running `Command { std: "docker" "inspect" "aaaba42db2bcab62481cdead76a5e4a34dd1504f8c5a4e4044b769321d2b567a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaaba42db2bcab62481cdead76a5e4a34dd1504f8c5a4e4044b769321d2b567a", kill_on_drop: false }` [INFO] [stdout] aaaba42db2bcab62481cdead76a5e4a34dd1504f8c5a4e4044b769321d2b567a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f00c8c8d8b86b3d0abe5ed142e723fbe4b36178aa994f54e9e316eabde314973 [INFO] running `Command { std: "docker" "start" "-a" "f00c8c8d8b86b3d0abe5ed142e723fbe4b36178aa994f54e9e316eabde314973", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling log v0.4.14 [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 env_logger v0.5.13 [INFO] [stderr] Compiling quickcheck v0.6.2 [INFO] [stderr] Compiling w 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: 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] = note: `#[warn(dead_code)]` on by default [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>>, [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(&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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.89s [INFO] running `Command { std: "docker" "inspect" "f00c8c8d8b86b3d0abe5ed142e723fbe4b36178aa994f54e9e316eabde314973", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f00c8c8d8b86b3d0abe5ed142e723fbe4b36178aa994f54e9e316eabde314973", kill_on_drop: false }` [INFO] [stdout] f00c8c8d8b86b3d0abe5ed142e723fbe4b36178aa994f54e9e316eabde314973 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a0675aca084e9317cc150eeadf156b3aae3ee15149c03d894f4d3aef3320ff36 [INFO] running `Command { std: "docker" "start" "-a" "a0675aca084e9317cc150eeadf156b3aae3ee15149c03d894f4d3aef3320ff36", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `w` (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: 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] = note: `#[warn(dead_code)]` on by default [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>>, [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(&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: `w` (lib test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/w-1860813fba4a3fa6) [INFO] [stdout] [INFO] [stderr] Doc-tests w [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] [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" "a0675aca084e9317cc150eeadf156b3aae3ee15149c03d894f4d3aef3320ff36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0675aca084e9317cc150eeadf156b3aae3ee15149c03d894f4d3aef3320ff36", kill_on_drop: false }` [INFO] [stdout] a0675aca084e9317cc150eeadf156b3aae3ee15149c03d894f4d3aef3320ff36