[INFO] cloning repository https://github.com/aperisic85/condvar_thread_park
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aperisic85/condvar_thread_park" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faperisic85%2Fcondvar_thread_park", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faperisic85%2Fcondvar_thread_park'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 653975de634dfddb7954520a3bc91fa5df015073
[INFO] checking aperisic85/condvar_thread_park against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faperisic85%2Fcondvar_thread_park" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aperisic85/condvar_thread_park on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aperisic85/condvar_thread_park
[INFO] finished tweaking git repo https://github.com/aperisic85/condvar_thread_park
[INFO] tweaked toml for git repo https://github.com/aperisic85/condvar_thread_park written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aperisic85/condvar_thread_park 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9a69d1a914008b204a6d59de104af240d16dbd384fe77563daa48aa3560e1b
[INFO] running `Command { std: "docker" "start" "-a" "cd9a69d1a914008b204a6d59de104af240d16dbd384fe77563daa48aa3560e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9a69d1a914008b204a6d59de104af240d16dbd384fe77563daa48aa3560e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9a69d1a914008b204a6d59de104af240d16dbd384fe77563daa48aa3560e1b", kill_on_drop: false }`
[INFO] [stdout] cd9a69d1a914008b204a6d59de104af240d16dbd384fe77563daa48aa3560e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd59c4eae40ea3d053d92b2e6a7dcfc643af747ebb6219b9bbeac0d80fcc655
[INFO] running `Command { std: "docker" "start" "-a" "fdd59c4eae40ea3d053d92b2e6a7dcfc643af747ebb6219b9bbeac0d80fcc655", kill_on_drop: false }`
[INFO] [stderr]     Checking condvar_thread_park v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "fdd59c4eae40ea3d053d92b2e6a7dcfc643af747ebb6219b9bbeac0d80fcc655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd59c4eae40ea3d053d92b2e6a7dcfc643af747ebb6219b9bbeac0d80fcc655", kill_on_drop: false }`
[INFO] [stdout] fdd59c4eae40ea3d053d92b2e6a7dcfc643af747ebb6219b9bbeac0d80fcc655
[INFO] checking aperisic85/condvar_thread_park against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faperisic85%2Fcondvar_thread_park" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aperisic85/condvar_thread_park on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aperisic85/condvar_thread_park
[INFO] finished tweaking git repo https://github.com/aperisic85/condvar_thread_park
[INFO] tweaked toml for git repo https://github.com/aperisic85/condvar_thread_park written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aperisic85/condvar_thread_park 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5528119abe82b8340afd94b57f6aa53452abe728ad9603052e08d906e3f14d54
[INFO] running `Command { std: "docker" "start" "-a" "5528119abe82b8340afd94b57f6aa53452abe728ad9603052e08d906e3f14d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5528119abe82b8340afd94b57f6aa53452abe728ad9603052e08d906e3f14d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5528119abe82b8340afd94b57f6aa53452abe728ad9603052e08d906e3f14d54", kill_on_drop: false }`
[INFO] [stdout] 5528119abe82b8340afd94b57f6aa53452abe728ad9603052e08d906e3f14d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec703fe8bc12793dd3ee6c9a8b12c3ce9d786979dbf3d548131168a9e78a47a9
[INFO] running `Command { std: "docker" "start" "-a" "ec703fe8bc12793dd3ee6c9a8b12c3ce9d786979dbf3d548131168a9e78a47a9", kill_on_drop: false }`
[INFO] [stderr]     Checking condvar_thread_park v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |         s.spawn(|| loop {
[INFO] [stdout]    |           ----- ^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Scope::<'scope, 'env>::spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/scoped.rs:189:5
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 10 ~         s.spawn(|| -> /* Type */ { loop {
[INFO] [stdout] 11 |             let mut q_guard: std::sync::MutexGuard<'_, VecDeque<u32>> = queue.lock().unwrap();
[INFO] [stdout]  ...
[INFO] [stdout] 20 |             dbg!(item);
[INFO] [stdout] 21 ~         } });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |         s.spawn(|| loop {
[INFO] [stdout]    |           ----- ^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Scope::<'scope, 'env>::spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/scoped.rs:189:5
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 10 ~         s.spawn(|| -> /* Type */ { loop {
[INFO] [stdout] 11 |             let mut q_guard: std::sync::MutexGuard<'_, VecDeque<u32>> = queue.lock().unwrap();
[INFO] [stdout]  ...
[INFO] [stdout] 20 |             dbg!(item);
[INFO] [stdout] 21 ~         } });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `condvar_thread_park` (bin "condvar_thread_park") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `condvar_thread_park` (bin "condvar_thread_park" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec703fe8bc12793dd3ee6c9a8b12c3ce9d786979dbf3d548131168a9e78a47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec703fe8bc12793dd3ee6c9a8b12c3ce9d786979dbf3d548131168a9e78a47a9", kill_on_drop: false }`
[INFO] [stdout] ec703fe8bc12793dd3ee6c9a8b12c3ce9d786979dbf3d548131168a9e78a47a9