[INFO] cloning repository https://github.com/svet-b/rust-mqtt-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svet-b/rust-mqtt-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust-mqtt-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust-mqtt-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 263e4dc28a03a4ae77e2acebb5e36d6529a8dd20
[INFO] documenting svet-b/rust-mqtt-example against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust-mqtt-example" "/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/svet-b/rust-mqtt-example on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/svet-b/rust-mqtt-example
[INFO] finished tweaking git repo https://github.com/svet-b/rust-mqtt-example
[INFO] tweaked toml for git repo https://github.com/svet-b/rust-mqtt-example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/svet-b/rust-mqtt-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 paho-mqtt v0.10.0
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.6.0
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81e526d57acaee56dc222413c66b67e0bbde989797cf6bcbcd131c910425f174
[INFO] running `Command { std: "docker" "start" "-a" "81e526d57acaee56dc222413c66b67e0bbde989797cf6bcbcd131c910425f174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81e526d57acaee56dc222413c66b67e0bbde989797cf6bcbcd131c910425f174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e526d57acaee56dc222413c66b67e0bbde989797cf6bcbcd131c910425f174", kill_on_drop: false }`
[INFO] [stdout] 81e526d57acaee56dc222413c66b67e0bbde989797cf6bcbcd131c910425f174
[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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7db3eff7a13f9f125362cffdb4cbd464b7977b71f47ff00fde6224b15af4792
[INFO] running `Command { std: "docker" "start" "-a" "f7db3eff7a13f9f125362cffdb4cbd464b7977b71f47ff00fde6224b15af4792", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling paho-mqtt-sys v0.6.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking paho-mqtt v0.10.0
[INFO] [stderr]     Checking mqttexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mqttexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.01s
[INFO] running `Command { std: "docker" "inspect" "f7db3eff7a13f9f125362cffdb4cbd464b7977b71f47ff00fde6224b15af4792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7db3eff7a13f9f125362cffdb4cbd464b7977b71f47ff00fde6224b15af4792", kill_on_drop: false }`
[INFO] [stdout] f7db3eff7a13f9f125362cffdb4cbd464b7977b71f47ff00fde6224b15af4792
[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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4a0de046a5d0c005e1fcc1a340bdb94a892b146f6163ce35a82d41e9668cf8a8
[INFO] running `Command { std: "docker" "start" "-a" "4a0de046a5d0c005e1fcc1a340bdb94a892b146f6163ce35a82d41e9668cf8a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling paho-mqtt-sys v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking paho-mqtt v0.10.0
[INFO] [stdout] error[E0425]: cannot find value `f` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/paho-mqtt-0.10.0/src/token.rs:529:13
[INFO] [stdout]     |
[INFO] [stdout] 529 | /             select! {
[INFO] [stdout] 530 | |                 val = f => val,
[INFO] [stdout] 531 | |                 _ = to => Err(Error::Timeout),
[INFO] [stdout] 532 | |             }
[INFO] [stdout]     | |_____________^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `to` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/paho-mqtt-0.10.0/src/token.rs:529:13
[INFO] [stdout]     |
[INFO] [stdout] 529 | /             select! {
[INFO] [stdout] 530 | |                 val = f => val,
[INFO] [stdout] 531 | |                 _ = to => Err(Error::Timeout),
[INFO] [stdout] 532 | |             }
[INFO] [stdout]     | |_____________^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `f` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/paho-mqtt-0.10.0/src/token.rs:631:13
[INFO] [stdout]     |
[INFO] [stdout] 631 | /             select! {
[INFO] [stdout] 632 | |                 val = f => val,
[INFO] [stdout] 633 | |                 _ = to => Err(Error::Timeout),
[INFO] [stdout] 634 | |             }
[INFO] [stdout]     | |_____________^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `to` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/paho-mqtt-0.10.0/src/token.rs:631:13
[INFO] [stdout]     |
[INFO] [stdout] 631 | /             select! {
[INFO] [stdout] 632 | |                 val = f => val,
[INFO] [stdout] 633 | |                 _ = to => Err(Error::Timeout),
[INFO] [stdout] 634 | |             }
[INFO] [stdout]     | |_____________^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a0de046a5d0c005e1fcc1a340bdb94a892b146f6163ce35a82d41e9668cf8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0de046a5d0c005e1fcc1a340bdb94a892b146f6163ce35a82d41e9668cf8a8", kill_on_drop: false }`
[INFO] [stdout] 4a0de046a5d0c005e1fcc1a340bdb94a892b146f6163ce35a82d41e9668cf8a8