[INFO] cloning repository https://github.com/sjm42/coap-server-temp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjm42/coap-server-temp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjm42%2Fcoap-server-temp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjm42%2Fcoap-server-temp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8757a2f2d34d41c3d60d2e41daa3d99c1bdad014
[INFO] testing sjm42/coap-server-temp against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjm42%2Fcoap-server-temp" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjm42/coap-server-temp 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] removed /workspace/builds/worker-58/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sjm42/coap-server-temp
[INFO] finished tweaking git repo https://github.com/sjm42/coap-server-temp
[INFO] tweaked toml for git repo https://github.com/sjm42/coap-server-temp written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/sjm42/coap-server-temp 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.80
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.80
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.80
[INFO] [stderr]   Downloaded web-sys v0.3.57
[INFO] [stderr]   Downloaded proc_macro_roids v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.30
[INFO] [stderr]   Downloaded tokio-stream v0.1.8
[INFO] [stderr]   Downloaded js-sys v0.3.57
[INFO] [stderr]   Downloaded coap v0.11.3
[INFO] [stderr]   Downloaded coap-lite v0.7.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded reqwest v0.11.10
[INFO] [stderr]   Downloaded influxdb-client v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.80
[INFO] [stderr]   Downloaded influxdb-derives v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 5aacc878c3f28a77a3b87e3f960367602ea66d1e861aa336db43e3952b194183
[INFO] running `Command { std: "docker" "start" "-a" "5aacc878c3f28a77a3b87e3f960367602ea66d1e861aa336db43e3952b194183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aacc878c3f28a77a3b87e3f960367602ea66d1e861aa336db43e3952b194183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aacc878c3f28a77a3b87e3f960367602ea66d1e861aa336db43e3952b194183", kill_on_drop: false }`
[INFO] [stdout] 5aacc878c3f28a77a3b87e3f960367602ea66d1e861aa336db43e3952b194183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 7e9b51cb3b0d459f2fac58000717f3dcdce8ae32b13cb9af799d9a422a9e86ff
[INFO] running `Command { std: "docker" "start" "-a" "7e9b51cb3b0d459f2fac58000717f3dcdce8ae32b13cb9af799d9a422a9e86ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.36
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling safe-lock v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling coap-lite v0.7.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling safe-quote v1.0.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling safe-regex-compiler v0.2.5
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling safe-regex-macro v0.2.5
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling safe-regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling build-data v0.1.3
[INFO] [stderr]    Compiling coap-server-temp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling influxdb-derives v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling coap v0.11.3
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling influxdb-client v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[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 `coap-server-temp` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e9b51cb3b0d459f2fac58000717f3dcdce8ae32b13cb9af799d9a422a9e86ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9b51cb3b0d459f2fac58000717f3dcdce8ae32b13cb9af799d9a422a9e86ff", kill_on_drop: false }`
[INFO] [stdout] 7e9b51cb3b0d459f2fac58000717f3dcdce8ae32b13cb9af799d9a422a9e86ff