[INFO] fetching crate async-std 1.11.0...
[INFO] testing async-std-1.11.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate async-std 1.11.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate async-std 1.11.0 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-std 1.11.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-std 1.11.0
[INFO] tweaked toml for crates.io crate async-std 1.11.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate async-std 1.11.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.43
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.29
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded curl-sys v0.4.53+curl-7.82.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] b32d8dc336335e88529b26818e98ca2f8113a2a13630530e78133b49f5c96a8f
[INFO] running `Command { std: "docker" "start" "-a" "b32d8dc336335e88529b26818e98ca2f8113a2a13630530e78133b49f5c96a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b32d8dc336335e88529b26818e98ca2f8113a2a13630530e78133b49f5c96a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32d8dc336335e88529b26818e98ca2f8113a2a13630530e78133b49f5c96a8f", kill_on_drop: false }`
[INFO] [stdout] b32d8dc336335e88529b26818e98ca2f8113a2a13630530e78133b49f5c96a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 028d1c5b88fe01cedbfd027abb49c2ff42452d62669da6e5bb12c163ee2c29c5
[INFO] running `Command { std: "docker" "start" "-a" "028d1c5b88fe01cedbfd027abb49c2ff42452d62669da6e5bb12c163ee2c29c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.3
[INFO] [stderr]    Compiling async-std v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `Command { std: "docker" "inspect" "028d1c5b88fe01cedbfd027abb49c2ff42452d62669da6e5bb12c163ee2c29c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028d1c5b88fe01cedbfd027abb49c2ff42452d62669da6e5bb12c163ee2c29c5", kill_on_drop: false }`
[INFO] [stdout] 028d1c5b88fe01cedbfd027abb49c2ff42452d62669da6e5bb12c163ee2c29c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] c296436d9b9a67f325f1cda82af4c2ec67d8877cc1a989271d1aa30c6b0e8f7d
[INFO] running `Command { std: "docker" "start" "-a" "c296436d9b9a67f325f1cda82af4c2ec67d8877cc1a989271d1aa30c6b0e8f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling femme v2.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling async-std v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `async-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name a_chat --edition=2018 examples/a-chat/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-channel"' --cfg 'feature="async-global-executor"' --cfg 'feature="async-io"' --cfg 'feature="async-lock"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="futures-lite"' --cfg 'feature="gloo-timers"' --cfg 'feature="kv-log-macro"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg 'feature="wasm-bindgen-futures"' -C metadata=6a64b98983b9c7cf -C extra-filename=-6a64b98983b9c7cf --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_channel=/opt/rustwide/target/debug/deps/libasync_channel-6d941aa50c1d6961.rlib --extern async_global_executor=/opt/rustwide/target/debug/deps/libasync_global_executor-9cc300125efe79b4.rlib --extern async_io=/opt/rustwide/target/debug/deps/libasync_io-5d3105befb95ab85.rlib --extern async_lock=/opt/rustwide/target/debug/deps/libasync_lock-e1f6116e3b4bd082.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-30032bdf6d9c9f87.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-bd00c851a87bfcbc.rlib --extern femme=/opt/rustwide/target/debug/deps/libfemme-ac52ff1f7a736425.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-ebed76755a726883.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-9477985257ead09c.rlib --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-ae8d0cc855367cbf.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-be653056a5386b55.rlib --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-a3d340dc4e76587e.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-cf38fe2e1de40528.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-1331aa8962ea7f83.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9582d4e02b0ba387.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d4edd22523d7b9ae.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-df3b5486dcc1aa86.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-6c669315cfadfec5.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-71a35bfc19c5f70e.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-638f1e63608a9b02.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-7deec20c7d80499d.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-f041c006380f7129.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c296436d9b9a67f325f1cda82af4c2ec67d8877cc1a989271d1aa30c6b0e8f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c296436d9b9a67f325f1cda82af4c2ec67d8877cc1a989271d1aa30c6b0e8f7d", kill_on_drop: false }`
[INFO] [stdout] c296436d9b9a67f325f1cda82af4c2ec67d8877cc1a989271d1aa30c6b0e8f7d