[INFO] fetching crate async_chanx 0.1.0-alpha.3...
[INFO] building async_chanx-0.1.0-alpha.3 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate async_chanx 0.1.0-alpha.3 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate async_chanx 0.1.0-alpha.3 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_chanx 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate async_chanx 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate async_chanx 0.1.0-alpha.3 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ba0bee614da8ea43d39f1e0dc77a7e73c86c5fa498174dd54f04371088b9ae
[INFO] running `Command { std: "docker" "start" "-a" "88ba0bee614da8ea43d39f1e0dc77a7e73c86c5fa498174dd54f04371088b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ba0bee614da8ea43d39f1e0dc77a7e73c86c5fa498174dd54f04371088b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ba0bee614da8ea43d39f1e0dc77a7e73c86c5fa498174dd54f04371088b9ae", kill_on_drop: false }`
[INFO] [stdout] 88ba0bee614da8ea43d39f1e0dc77a7e73c86c5fa498174dd54f04371088b9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba0dde9fc1f6a05f0b2b57ee2f5ec8256504ae9bc6d45c140a55e0fa46898b8
[INFO] running `Command { std: "docker" "start" "-a" "7ba0dde9fc1f6a05f0b2b57ee2f5ec8256504ae9bc6d45c140a55e0fa46898b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling tokio v1.19.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling async_chanx v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "7ba0dde9fc1f6a05f0b2b57ee2f5ec8256504ae9bc6d45c140a55e0fa46898b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba0dde9fc1f6a05f0b2b57ee2f5ec8256504ae9bc6d45c140a55e0fa46898b8", kill_on_drop: false }`
[INFO] [stdout] 7ba0dde9fc1f6a05f0b2b57ee2f5ec8256504ae9bc6d45c140a55e0fa46898b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f125e191583c49f822fc0cb4ca01bac4680c9db27a16a259ed23eb53654c22
[INFO] running `Command { std: "docker" "start" "-a" "51f125e191583c49f822fc0cb4ca01bac4680c9db27a16a259ed23eb53654c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
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[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling async_chanx v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
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[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling blanket v0.2.0
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.7.0
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling async-global-executor v2.1.0
[INFO] [stderr]    Compiling async-process v1.4.0
[INFO] [stderr]    Compiling async-std v1.11.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling futures-test v0.3.21
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.96s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_chanx-ba0558714c6037be)
[INFO] running `Command { std: "docker" "inspect" "51f125e191583c49f822fc0cb4ca01bac4680c9db27a16a259ed23eb53654c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f125e191583c49f822fc0cb4ca01bac4680c9db27a16a259ed23eb53654c22", kill_on_drop: false }`
[INFO] [stdout] 51f125e191583c49f822fc0cb4ca01bac4680c9db27a16a259ed23eb53654c22