[INFO] fetching crate u 0.2.0... [INFO] checking u-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate u 0.2.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate u 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate u 0.2.0 [INFO] finished tweaking crates.io crate u 0.2.0 [INFO] tweaked toml for crates.io crate u 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a9e7ce534d4eb4f16ca4375e72b9674e6c532ad3c9c724e4c4d2459f8e339bd [INFO] running `Command { std: "docker" "start" "-a" "2a9e7ce534d4eb4f16ca4375e72b9674e6c532ad3c9c724e4c4d2459f8e339bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a9e7ce534d4eb4f16ca4375e72b9674e6c532ad3c9c724e4c4d2459f8e339bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9e7ce534d4eb4f16ca4375e72b9674e6c532ad3c9c724e4c4d2459f8e339bd", kill_on_drop: false }` [INFO] [stdout] 2a9e7ce534d4eb4f16ca4375e72b9674e6c532ad3c9c724e4c4d2459f8e339bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28fce13899e09cc5c9b1bc997863b0d4da29ea870e0d8d3f8f1ea19be08fc28f [INFO] running `Command { std: "docker" "start" "-a" "28fce13899e09cc5c9b1bc997863b0d4da29ea870e0d8d3f8f1ea19be08fc28f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking u 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] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking quickcheck v0.6.2 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.05s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "28fce13899e09cc5c9b1bc997863b0d4da29ea870e0d8d3f8f1ea19be08fc28f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28fce13899e09cc5c9b1bc997863b0d4da29ea870e0d8d3f8f1ea19be08fc28f", kill_on_drop: false }` [INFO] [stdout] 28fce13899e09cc5c9b1bc997863b0d4da29ea870e0d8d3f8f1ea19be08fc28f