[INFO] cloning repository https://github.com/butlerx/channels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/butlerx/channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0a6a636d25b9c707445b9d945739df8be8138a4
[INFO] checking butlerx/channels against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/butlerx/channels on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/butlerx/channels
[INFO] finished tweaking git repo https://github.com/butlerx/channels
[INFO] tweaked toml for git repo https://github.com/butlerx/channels written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/butlerx/channels already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded procfs v0.9.1
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded nats v0.8.6
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded protobuf v2.18.1
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded async-rustls v0.1.2
[INFO] [stderr]   Downloaded base64-url v1.4.8
[INFO] [stderr]   Downloaded nkeys v0.0.11
[INFO] [stderr]   Downloaded nuid v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d9d4acdba41987a9fcaf8f59f03d510d64c3224ce7a79ae7756add3f05afb5
[INFO] running `Command { std: "docker" "start" "-a" "48d9d4acdba41987a9fcaf8f59f03d510d64c3224ce7a79ae7756add3f05afb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d9d4acdba41987a9fcaf8f59f03d510d64c3224ce7a79ae7756add3f05afb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d9d4acdba41987a9fcaf8f59f03d510d64c3224ce7a79ae7756add3f05afb5", kill_on_drop: false }`
[INFO] [stdout] 48d9d4acdba41987a9fcaf8f59f03d510d64c3224ce7a79ae7756add3f05afb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a8f730f6a1f5d59f42ed721681de77667916d310d3af7005b2cf447a96d9ba
[INFO] running `Command { std: "docker" "start" "-a" "b8a8f730f6a1f5d59f42ed721681de77667916d310d3af7005b2cf447a96d9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling channels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking base64-url v1.4.8
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buf_redux-0.8.4/src/policy.rs:25:57
[INFO] [stdout]     |
[INFO] [stdout] 25  |     ($val:expr) => ( return $crate::policy::DoRead($val); );
[INFO] [stdout]     |                                                         ^
[INFO] [stdout] ...
[INFO] [stdout] 118 |         if buffer.len() >= self.0 { do_read!(false) }
[INFO] [stdout]     |                                     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `do_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buf_redux`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b8a8f730f6a1f5d59f42ed721681de77667916d310d3af7005b2cf447a96d9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a8f730f6a1f5d59f42ed721681de77667916d310d3af7005b2cf447a96d9ba", kill_on_drop: false }`
[INFO] [stdout] b8a8f730f6a1f5d59f42ed721681de77667916d310d3af7005b2cf447a96d9ba