[INFO] fetching crate aktoro-channel 0.1.0-alpha.8...
[INFO] checking aktoro-channel-0.1.0-alpha.8 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate aktoro-channel 0.1.0-alpha.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate aktoro-channel 0.1.0-alpha.8 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 aktoro-channel 0.1.0-alpha.8
[INFO] finished tweaking crates.io crate aktoro-channel 0.1.0-alpha.8
[INFO] tweaked toml for crates.io crate aktoro-channel 0.1.0-alpha.8 written to /workspace/builds/worker-14/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 }`
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[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.18
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 523152414c43bed17dbc9a2d6b41a73f274f3b9e9e61f8fa621880f0f484c997
[INFO] running `Command { std: "docker" "start" "-a" "523152414c43bed17dbc9a2d6b41a73f274f3b9e9e61f8fa621880f0f484c997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "523152414c43bed17dbc9a2d6b41a73f274f3b9e9e61f8fa621880f0f484c997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523152414c43bed17dbc9a2d6b41a73f274f3b9e9e61f8fa621880f0f484c997", kill_on_drop: false }`
[INFO] [stdout] 523152414c43bed17dbc9a2d6b41a73f274f3b9e9e61f8fa621880f0f484c997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9a9725fb91efd73199d9933796d8edda8deae10032238391182f64ac2f804e7d
[INFO] running `Command { std: "docker" "start" "-a" "9a9725fb91efd73199d9933796d8edda8deae10032238391182f64ac2f804e7d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aktoro-channel v0.1.0-alpha.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/counters.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 if counter.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/counters.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 if self.csenders.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:128:34
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 if self.crecvers.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 .compare_and_swap(cur, cur - 1, Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .compare_and_swap(cur, cur - 1, Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]     Checking runtime v0.3.0-alpha.7
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/counters.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 if counter.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/counters.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 if self.csenders.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:128:34
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 if self.crecvers.compare_and_swap(cur, new, Ordering::SeqCst) == cur {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 .compare_and_swap(cur, cur - 1, Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/counters.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .compare_and_swap(cur, cur - 1, Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `Command { std: "docker" "inspect" "9a9725fb91efd73199d9933796d8edda8deae10032238391182f64ac2f804e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9725fb91efd73199d9933796d8edda8deae10032238391182f64ac2f804e7d", kill_on_drop: false }`
[INFO] [stdout] 9a9725fb91efd73199d9933796d8edda8deae10032238391182f64ac2f804e7d