[INFO] fetching crate circulate 0.2.1...
[INFO] testing circulate-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate circulate 0.2.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate circulate 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circulate 0.2.1
[INFO] finished tweaking crates.io crate circulate 0.2.1
[INFO] tweaked toml for crates.io crate circulate 0.2.1 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate circulate 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.19
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded serde v1.0.132
[INFO] [stderr]   Downloaded futures-util v0.3.19
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded flume v0.10.9
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded pot v1.0.0-rc.1
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded futures v0.3.19
[INFO] [stderr]   Downloaded futures-core v0.3.19
[INFO] [stderr]   Downloaded derive-where v1.0.0-rc.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f1ce6dd013f2d2c79210e3ae6a8211adba4c928d06770004bb7ba4ced5f7edc
[INFO] running `Command { std: "docker" "start" "-a" "4f1ce6dd013f2d2c79210e3ae6a8211adba4c928d06770004bb7ba4ced5f7edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1ce6dd013f2d2c79210e3ae6a8211adba4c928d06770004bb7ba4ced5f7edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1ce6dd013f2d2c79210e3ae6a8211adba4c928d06770004bb7ba4ced5f7edc", kill_on_drop: false }`
[INFO] [stdout] 4f1ce6dd013f2d2c79210e3ae6a8211adba4c928d06770004bb7ba4ced5f7edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ba9c6cae9ea5bacfb827c733652932cc29aff92932765928acc7f1c2e95bb4
[INFO] running `Command { std: "docker" "start" "-a" "70ba9c6cae9ea5bacfb827c733652932cc29aff92932765928acc7f1c2e95bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derive-where v1.0.0-rc.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling pot v1.0.0-rc.1
[INFO] [stderr]    Compiling circulate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `Command { std: "docker" "inspect" "70ba9c6cae9ea5bacfb827c733652932cc29aff92932765928acc7f1c2e95bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ba9c6cae9ea5bacfb827c733652932cc29aff92932765928acc7f1c2e95bb4", kill_on_drop: false }`
[INFO] [stdout] 70ba9c6cae9ea5bacfb827c733652932cc29aff92932765928acc7f1c2e95bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b4e1f626957047754bb4c0cf5c61687bf46c107dff8d9ff91ab2f7d5b34db9
[INFO] running `Command { std: "docker" "start" "-a" "f7b4e1f626957047754bb4c0cf5c61687bf46c107dff8d9ff91ab2f7d5b34db9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling circulate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "f7b4e1f626957047754bb4c0cf5c61687bf46c107dff8d9ff91ab2f7d5b34db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b4e1f626957047754bb4c0cf5c61687bf46c107dff8d9ff91ab2f7d5b34db9", kill_on_drop: false }`
[INFO] [stdout] f7b4e1f626957047754bb4c0cf5c61687bf46c107dff8d9ff91ab2f7d5b34db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 413a111556840d11969abc296a11c3f7abda440c1169e08262511c72e79c972d
[INFO] running `Command { std: "docker" "start" "-a" "413a111556840d11969abc296a11c3f7abda440c1169e08262511c72e79c972d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circulate-7a3a3ea47879357e)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::multiple_subscribers_test ... ok
[INFO] [stdout] test tests::unsubscribe_test ... ok
[INFO] [stdout] test tests::drop_cleanup_test ... ok
[INFO] [stdout] test tests::drop_and_send_test ... ok
[INFO] [stderr]    Doc-tests circulate
[INFO] [stdout] test tests::simple_pubsub_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "413a111556840d11969abc296a11c3f7abda440c1169e08262511c72e79c972d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a111556840d11969abc296a11c3f7abda440c1169e08262511c72e79c972d", kill_on_drop: false }`
[INFO] [stdout] 413a111556840d11969abc296a11c3f7abda440c1169e08262511c72e79c972d