[INFO] fetching crate async-ringbuffer 0.5.5...
[INFO] testing async-ringbuffer-0.5.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate async-ringbuffer 0.5.5 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate async-ringbuffer 0.5.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] finished tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] tweaked toml for crates.io crate async-ringbuffer 0.5.5 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45a63db9d22d3a16e53289c2ff451a75902dd9e0b54b4416761205fcec1ef28b
[INFO] running `Command { std: "docker" "start" "-a" "45a63db9d22d3a16e53289c2ff451a75902dd9e0b54b4416761205fcec1ef28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45a63db9d22d3a16e53289c2ff451a75902dd9e0b54b4416761205fcec1ef28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a63db9d22d3a16e53289c2ff451a75902dd9e0b54b4416761205fcec1ef28b", kill_on_drop: false }`
[INFO] [stdout] 45a63db9d22d3a16e53289c2ff451a75902dd9e0b54b4416761205fcec1ef28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fb274494758f16c504e37493f1c13aa3f16e274673d7718f43c8a6389c9c77
[INFO] running `Command { std: "docker" "start" "-a" "a6fb274494758f16c504e37493f1c13aa3f16e274673d7718f43c8a6389c9c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling async-ringbuffer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "a6fb274494758f16c504e37493f1c13aa3f16e274673d7718f43c8a6389c9c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fb274494758f16c504e37493f1c13aa3f16e274673d7718f43c8a6389c9c77", kill_on_drop: false }`
[INFO] [stdout] a6fb274494758f16c504e37493f1c13aa3f16e274673d7718f43c8a6389c9c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1774f5a52b5c01bc61beff5cb5bddd6cef633e75d24a7507cbfe0363ab8bb61
[INFO] running `Command { std: "docker" "start" "-a" "d1774f5a52b5c01bc61beff5cb5bddd6cef633e75d24a7507cbfe0363ab8bb61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling async-ringbuffer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.21s
[INFO] running `Command { std: "docker" "inspect" "d1774f5a52b5c01bc61beff5cb5bddd6cef633e75d24a7507cbfe0363ab8bb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1774f5a52b5c01bc61beff5cb5bddd6cef633e75d24a7507cbfe0363ab8bb61", kill_on_drop: false }`
[INFO] [stdout] d1774f5a52b5c01bc61beff5cb5bddd6cef633e75d24a7507cbfe0363ab8bb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72e43e1e3280bfce6dc42f2a1ca6640121bdf43c9ad5b9c7a4e65f08d97a730e
[INFO] running `Command { std: "docker" "start" "-a" "72e43e1e3280bfce6dc42f2a1ca6640121bdf43c9ad5b9c7a4e65f08d97a730e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_ringbuffer-fe497d65895fcfe6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test duplex::tests::back_and_forth ... ok
[INFO] [stdout] test tests::close ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::panic_on_capacity_0 - should panic ... ok
[INFO] [stdout] test tests::panic_on_capacity_too_large - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-ringbuffer
[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" "72e43e1e3280bfce6dc42f2a1ca6640121bdf43c9ad5b9c7a4e65f08d97a730e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e43e1e3280bfce6dc42f2a1ca6640121bdf43c9ad5b9c7a4e65f08d97a730e", kill_on_drop: false }`
[INFO] [stdout] 72e43e1e3280bfce6dc42f2a1ca6640121bdf43c9ad5b9c7a4e65f08d97a730e