[INFO] cloning repository https://github.com/iamlotus/jthreadpool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamlotus/jthreadpool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamlotus%2Fjthreadpool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamlotus%2Fjthreadpool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 224fcdbafdadcf6168d93f217579cafa3558570c [INFO] checking iamlotus/jthreadpool against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamlotus%2Fjthreadpool" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamlotus/jthreadpool on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamlotus/jthreadpool [INFO] finished tweaking git repo https://github.com/iamlotus/jthreadpool [INFO] tweaked toml for git repo https://github.com/iamlotus/jthreadpool written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iamlotus/jthreadpool 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fa0494207aa0d78800fbcf7df8d528efc1ee008f8ee8386314172d3d1505f0e [INFO] running `Command { std: "docker" "start" "-a" "0fa0494207aa0d78800fbcf7df8d528efc1ee008f8ee8386314172d3d1505f0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fa0494207aa0d78800fbcf7df8d528efc1ee008f8ee8386314172d3d1505f0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fa0494207aa0d78800fbcf7df8d528efc1ee008f8ee8386314172d3d1505f0e", kill_on_drop: false }` [INFO] [stdout] 0fa0494207aa0d78800fbcf7df8d528efc1ee008f8ee8386314172d3d1505f0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48468e5d0a333bfde7fdf515ef9e5b04bb743b7d8f65148ed1f68dbb12a14f7c [INFO] running `Command { std: "docker" "start" "-a" "48468e5d0a333bfde7fdf515ef9e5b04bb743b7d8f65148ed1f68dbb12a14f7c", kill_on_drop: false }` [INFO] [stderr] Checking jthreadpool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | type Job=Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | type Job=Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `thread` is imported redundantly [INFO] [stdout] --> src/lib.rs:603:9 [INFO] [stdout] | [INFO] [stdout] 601 | use super::*; [INFO] [stdout] | -------- the item `thread` is already imported here [INFO] [stdout] 602 | use std::time::Duration; [INFO] [stdout] 603 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | type Job=Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | type Job=Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:536:54 [INFO] [stdout] | [INFO] [stdout] 536 | let first_time=!self.shared_data.is_shutdown.compare_and_swap(false, true, Ordering::SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:536:54 [INFO] [stdout] | [INFO] [stdout] 536 | let first_time=!self.shared_data.is_shutdown.compare_and_swap(false, true, Ordering::SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct ThreadPoolError { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 201 | err: &'static str [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ThreadPoolError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct ThreadPoolError { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 201 | err: &'static str [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ThreadPoolError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "48468e5d0a333bfde7fdf515ef9e5b04bb743b7d8f65148ed1f68dbb12a14f7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48468e5d0a333bfde7fdf515ef9e5b04bb743b7d8f65148ed1f68dbb12a14f7c", kill_on_drop: false }` [INFO] [stdout] 48468e5d0a333bfde7fdf515ef9e5b04bb743b7d8f65148ed1f68dbb12a14f7c