[INFO] cloning repository https://github.com/ferrous-systems/CO2-Device
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferrous-systems/CO2-Device" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrous-systems%2FCO2-Device", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrous-systems%2FCO2-Device'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350163658d69ecb083e8044f5d9ec898f3e82d74
[INFO] documenting ferrous-systems/CO2-Device against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrous-systems%2FCO2-Device" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ferrous-systems/CO2-Device on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ferrous-systems/CO2-Device
[INFO] finished tweaking git repo https://github.com/ferrous-systems/CO2-Device
[INFO] tweaked toml for git repo https://github.com/ferrous-systems/CO2-Device written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/ferrous-systems/CO2-Device already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-68/source/radio_test/utilities/draw-modem/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-68/source/Cargo.toml
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-68/source/radio_test/utilities/draw-modem/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-68/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/sinuss/scd30-rs/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e75b3664ed085a7171dc1efe039078a5e44a7ac78827ece2c13ea096ad56c4e4
[INFO] running `Command { std: "docker" "start" "-a" "e75b3664ed085a7171dc1efe039078a5e44a7ac78827ece2c13ea096ad56c4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e75b3664ed085a7171dc1efe039078a5e44a7ac78827ece2c13ea096ad56c4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75b3664ed085a7171dc1efe039078a5e44a7ac78827ece2c13ea096ad56c4e4", kill_on_drop: false }`
[INFO] [stdout] e75b3664ed085a7171dc1efe039078a5e44a7ac78827ece2c13ea096ad56c4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36e29e34438a3fecf12e466a8fba22c3040b12f089c67dbf9b231054fa1e8173
[INFO] running `Command { std: "docker" "start" "-a" "36e29e34438a3fecf12e466a8fba22c3040b12f089c67dbf9b231054fa1e8173", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/radio_test/utilities/draw-modem/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/radio_test/utilities/draw-modem/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking smallvec v0.6.11
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nrf52832-pac v0.6.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling nrf52832-hal v0.7.0
[INFO] [stderr]    Compiling nrf52832-pac v0.8.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling nrf52832-hal v0.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[INFO] [stderr]     Checking crc_all v0.1.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking cobs v0.1.4
[INFO] [stderr]     Checking crc_all v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[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/crc_all-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(reverse_bits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TimerError: From<TimerError>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.6/src/rngs/jitter.rs:270:74
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   "timer jitter failed basic quality tests", err)
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  expected an implementor of trait `From<TimerError>`
[INFO] [stdout]     |                                                                  help: consider borrowing here: `&err`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/error.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |         where E: Into<Box<stdError + Send + Sync>>
[INFO] [stdout]     |                  --------------------------------- required by this bound in `rand_core::Error::with_cause`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `From<TimerError>` for `alloc::boxed::Box<(dyn std::error::Error + Send + Sync + 'static)>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<alloc::boxed::Box<(dyn std::error::Error + Send + Sync + 'static)>>` for `TimerError`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "36e29e34438a3fecf12e466a8fba22c3040b12f089c67dbf9b231054fa1e8173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e29e34438a3fecf12e466a8fba22c3040b12f089c67dbf9b231054fa1e8173", kill_on_drop: false }`
[INFO] [stdout] 36e29e34438a3fecf12e466a8fba22c3040b12f089c67dbf9b231054fa1e8173
