[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] checking DrunkenInfant/rpi-moisture-sensor against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrunkenInfant%2Frpi-moisture-sensor" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrunkenInfant/rpi-moisture-sensor on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-114/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7904f5fb6d1527fb82f1cc84bc382e89028efa5f96ec1ebc2a9b2764869459b
[INFO] running `Command { std: "docker" "start" "-a" "c7904f5fb6d1527fb82f1cc84bc382e89028efa5f96ec1ebc2a9b2764869459b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7904f5fb6d1527fb82f1cc84bc382e89028efa5f96ec1ebc2a9b2764869459b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7904f5fb6d1527fb82f1cc84bc382e89028efa5f96ec1ebc2a9b2764869459b", kill_on_drop: false }`
[INFO] [stdout] c7904f5fb6d1527fb82f1cc84bc382e89028efa5f96ec1ebc2a9b2764869459b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc0aff79bc35cac51677072d21e7edaa784128089da6915acd57e84858849cb
[INFO] running `Command { std: "docker" "start" "-a" "5bc0aff79bc35cac51677072d21e7edaa784128089da6915acd57e84858849cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking tock-registers v0.3.0
[INFO] [stderr]     Checking strsim v0.7.0
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5bc0aff79bc35cac51677072d21e7edaa784128089da6915acd57e84858849cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc0aff79bc35cac51677072d21e7edaa784128089da6915acd57e84858849cb", kill_on_drop: false }`
[INFO] [stdout] 5bc0aff79bc35cac51677072d21e7edaa784128089da6915acd57e84858849cb