[INFO] cloning repository https://github.com/DrunkenInfant/rpi-moisture-sensor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrunkenInfant/rpi-moisture-sensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrunkenInfant%2Frpi-moisture-sensor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrunkenInfant%2Frpi-moisture-sensor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba2b2037b0e1a76a2da562b5b3848007c55ef168
[INFO] testing DrunkenInfant/rpi-moisture-sensor against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrunkenInfant%2Frpi-moisture-sensor" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrunkenInfant/rpi-moisture-sensor on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DrunkenInfant/rpi-moisture-sensor
[INFO] finished tweaking git repo https://github.com/DrunkenInfant/rpi-moisture-sensor
[INFO] tweaked toml for git repo https://github.com/DrunkenInfant/rpi-moisture-sensor written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/DrunkenInfant/rpi-moisture-sensor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 amq-protocol-types v1.0.0
[INFO] [stderr]   Downloaded lapin-futures v0.15.0
[INFO] [stderr]   Downloaded lapin-async v0.15.0
[INFO] [stderr]   Downloaded pest_meta v2.1.0
[INFO] [stderr]   Downloaded pest v2.1.0
[INFO] [stderr]   Downloaded amq-protocol-codegen v1.0.1
[INFO] [stderr]   Downloaded register v0.3.2
[INFO] [stderr]   Downloaded tock-registers v0.3.0
[INFO] [stderr]   Downloaded amq-protocol v1.0.0
[INFO] [stderr]   Downloaded sasl v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e10c03db2fcf4ba7473e440717b5a3bf6312a83479fbbce2992e10ab4239ccf
[INFO] running `Command { std: "docker" "start" "-a" "6e10c03db2fcf4ba7473e440717b5a3bf6312a83479fbbce2992e10ab4239ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e10c03db2fcf4ba7473e440717b5a3bf6312a83479fbbce2992e10ab4239ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e10c03db2fcf4ba7473e440717b5a3bf6312a83479fbbce2992e10ab4239ccf", kill_on_drop: false }`
[INFO] [stdout] 6e10c03db2fcf4ba7473e440717b5a3bf6312a83479fbbce2992e10ab4239ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ab1fabd0bb4e665d693da67248dbbc0f9e2718165d51bb235106b518fd1f3f
[INFO] running `Command { std: "docker" "start" "-a" "97ab1fabd0bb4e665d693da67248dbbc0f9e2718165d51bb235106b518fd1f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling arc-swap v0.3.7
[INFO] [stderr]    Compiling tock-registers v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling sasl v0.4.2
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "97ab1fabd0bb4e665d693da67248dbbc0f9e2718165d51bb235106b518fd1f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ab1fabd0bb4e665d693da67248dbbc0f9e2718165d51bb235106b518fd1f3f", kill_on_drop: false }`
[INFO] [stdout] 97ab1fabd0bb4e665d693da67248dbbc0f9e2718165d51bb235106b518fd1f3f