[INFO] fetching crate telegram-bot-async 0.8.2...
[INFO] testing telegram-bot-async-0.8.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate telegram-bot-async 0.8.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate telegram-bot-async 0.8.2 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 telegram-bot-async 0.8.2
[INFO] finished tweaking crates.io crate telegram-bot-async 0.8.2
[INFO] tweaked toml for crates.io crate telegram-bot-async 0.8.2 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded telegram-bot-async-raw v0.8.2
[INFO] [stderr]   Downloaded futures-async-stream-macro v0.1.5
[INFO] [stderr]   Downloaded futures-async-stream v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 49e71e77ad07cca03745e4c346835b7857c567ea8709b69d8a3d408f041e0057
[INFO] running `Command { std: "docker" "start" "-a" "49e71e77ad07cca03745e4c346835b7857c567ea8709b69d8a3d408f041e0057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e71e77ad07cca03745e4c346835b7857c567ea8709b69d8a3d408f041e0057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e71e77ad07cca03745e4c346835b7857c567ea8709b69d8a3d408f041e0057", kill_on_drop: false }`
[INFO] [stdout] 49e71e77ad07cca03745e4c346835b7857c567ea8709b69d8a3d408f041e0057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d3f71cec22acc7861b5877cd2665e6f72bf71286186fa41465207ee565c917be
[INFO] running `Command { std: "docker" "start" "-a" "d3f71cec22acc7861b5877cd2665e6f72bf71286186fa41465207ee565c917be", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling tracing-core v0.1.25
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling futures-async-stream-macro v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling futures-async-stream v0.1.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-async-stream-0.1.5/src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | #![feature(generator_trait)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-async-stream` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3f71cec22acc7861b5877cd2665e6f72bf71286186fa41465207ee565c917be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f71cec22acc7861b5877cd2665e6f72bf71286186fa41465207ee565c917be", kill_on_drop: false }`
[INFO] [stdout] d3f71cec22acc7861b5877cd2665e6f72bf71286186fa41465207ee565c917be