[INFO] cloning repository https://github.com/schphil/rust-esp-http-temp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schphil/rust-esp-http-temp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschphil%2Frust-esp-http-temp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschphil%2Frust-esp-http-temp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33e9ebd546d40051de6a7b0c7e364775109663e5
[INFO] testing schphil/rust-esp-http-temp against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschphil%2Frust-esp-http-temp" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schphil/rust-esp-http-temp on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/schphil/rust-esp-http-temp
[INFO] finished tweaking git repo https://github.com/schphil/rust-esp-http-temp
[INFO] tweaked toml for git repo https://github.com/schphil/rust-esp-http-temp written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/schphil/rust-esp-http-temp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/esp-rs/esp-println.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.10.0
[INFO] [stderr]   Downloaded serde-json-core v0.5.0
[INFO] [stderr]   Downloaded riscv v0.9.0
[INFO] [stderr]   Downloaded riscv-atomic-emulation-trap v0.3.0
[INFO] [stderr]   Downloaded riscv-rt v0.10.0
[INFO] [stderr]   Downloaded esp-hal-procmacros v0.1.0
[INFO] [stderr]   Downloaded arrform v0.1.1
[INFO] [stderr]   Downloaded embedded-svc v0.23.2
[INFO] [stderr]   Downloaded esp-backtrace v0.4.0
[INFO] [stderr]   Downloaded esp-hal-common v0.4.0
[INFO] [stderr]   Downloaded embedded-io v0.3.1
[INFO] [stderr]   Downloaded smoltcp v0.8.2
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.4
[INFO] [stderr]   Downloaded esp32c3-hal v0.4.0
[INFO] [stderr]   Downloaded esp32c3 v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d451e0b169fda7605ed5fdef425fbee737b04acc5db860681e481cbf11f10f22
[INFO] running `Command { std: "docker" "start" "-a" "d451e0b169fda7605ed5fdef425fbee737b04acc5db860681e481cbf11f10f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d451e0b169fda7605ed5fdef425fbee737b04acc5db860681e481cbf11f10f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d451e0b169fda7605ed5fdef425fbee737b04acc5db860681e481cbf11f10f22", kill_on_drop: false }`
[INFO] [stdout] d451e0b169fda7605ed5fdef425fbee737b04acc5db860681e481cbf11f10f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9ddc64ce45a191cc6145c2e5f55763c9b08cfea8ef3c8c064692ab7a46bce15
[INFO] running `Command { std: "docker" "start" "-a" "c9ddc64ce45a191cc6145c2e5f55763c9b08cfea8ef3c8c064692ab7a46bce15", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling riscv v0.9.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling riscv v0.10.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling esp32c3 v0.8.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling gcd v2.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling esp-hal-common v0.4.0
[INFO] [stderr]    Compiling fugit v0.3.6
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling esp-println v0.3.1
[INFO] [stderr]    Compiling atomic-polyfill v1.0.1
[INFO] [stderr]    Compiling esp32c3-hal v0.4.0
[INFO] [stderr]    Compiling embedded-io v0.3.1
[INFO] [stderr]    Compiling esp-println v0.3.1 (https://github.com/esp-rs/esp-println.git?rev=fc4e9cf#fc4e9cf6)
[INFO] [stderr]    Compiling esp-backtrace v0.4.0
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling smoltcp v0.8.2
[INFO] [stderr]    Compiling linked_list_allocator v0.10.4
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.10.4/src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_mut_refs", feature(const_mut_refs))]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c9ddc64ce45a191cc6145c2e5f55763c9b08cfea8ef3c8c064692ab7a46bce15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ddc64ce45a191cc6145c2e5f55763c9b08cfea8ef3c8c064692ab7a46bce15", kill_on_drop: false }`
[INFO] [stdout] c9ddc64ce45a191cc6145c2e5f55763c9b08cfea8ef3c8c064692ab7a46bce15
