[INFO] fetching crate async-executor 1.3.0...
[INFO] checking async-executor-1.3.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate async-executor 1.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-executor 1.3.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-executor 1.3.0
[INFO] finished tweaking crates.io crate async-executor 1.3.0
[INFO] tweaked toml for crates.io crate async-executor 1.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate async-executor 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v1.0.0
[INFO] [stderr]   Downloaded async-io v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19f080a0db43258b0c4e9f634f4aadb60b817f7467dd647def80eead980b343d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19f080a0db43258b0c4e9f634f4aadb60b817f7467dd647def80eead980b343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19f080a0db43258b0c4e9f634f4aadb60b817f7467dd647def80eead980b343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f080a0db43258b0c4e9f634f4aadb60b817f7467dd647def80eead980b343d", kill_on_drop: false }`
[INFO] [stdout] 19f080a0db43258b0c4e9f634f4aadb60b817f7467dd647def80eead980b343d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d36180dec176a796bb4b9ea745418094627dd17445a72a359b0d5d909f997cc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d36180dec176a796bb4b9ea745418094627dd17445a72a359b0d5d909f997cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking async-task v4.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking async-executor v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-io v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "d36180dec176a796bb4b9ea745418094627dd17445a72a359b0d5d909f997cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36180dec176a796bb4b9ea745418094627dd17445a72a359b0d5d909f997cc5", kill_on_drop: false }`
[INFO] [stdout] d36180dec176a796bb4b9ea745418094627dd17445a72a359b0d5d909f997cc5