[INFO] cloning repository https://github.com/Nemo157/nrf51-blinker-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nemo157/nrf51-blinker-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fnrf51-blinker-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fnrf51-blinker-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff4d916d52b0c465e96aeea8d5fc28d98dcf02e7
[INFO] checking Nemo157/nrf51-blinker-rs/ff4d916d52b0c465e96aeea8d5fc28d98dcf02e7 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fnrf51-blinker-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nemo157/nrf51-blinker-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Nemo157/nrf51-blinker-rs
[INFO] finished tweaking git repo https://github.com/Nemo157/nrf51-blinker-rs
[INFO] tweaked toml for git repo https://github.com/Nemo157/nrf51-blinker-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nemo157/nrf51-blinker-rs 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/embedded-hal`
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/futures-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/futures-await`
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/futures-stable`
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/nrf51-hal`
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/futures-hal-rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Nemo157/wfe-executor-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.3.13
[INFO] [stderr]   Downloaded aligned v0.1.1
[INFO] [stderr]   Downloaded untagged-option v0.1.1
[INFO] [stderr]   Downloaded pin-api v0.1.1
[INFO] [stderr]   Downloaded bare-metal v0.1.1
[INFO] [stderr]   Downloaded cortex-m v0.4.3
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.2.0
[INFO] [stderr]   Downloaded nrf51 v0.4.0
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded cortex-m v0.3.1
[INFO] [stderr]   Downloaded syn v0.12.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a151eb6023089f0babcc336a698de686831086d6cf1446ca7c69d6dfbffb123
[INFO] running `Command { std: "docker" "start" "-a" "2a151eb6023089f0babcc336a698de686831086d6cf1446ca7c69d6dfbffb123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a151eb6023089f0babcc336a698de686831086d6cf1446ca7c69d6dfbffb123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a151eb6023089f0babcc336a698de686831086d6cf1446ca7c69d6dfbffb123", kill_on_drop: false }`
[INFO] [stdout] 2a151eb6023089f0babcc336a698de686831086d6cf1446ca7c69d6dfbffb123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e43c284753a77d33528eb0f7efe6d05bba23f8383667d21e90684c3f49938b
[INFO] running `Command { std: "docker" "start" "-a" "78e43c284753a77d33528eb0f7efe6d05bba23f8383667d21e90684c3f49938b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking futures-core v0.2.0-alpha (https://github.com/Nemo157/futures-rs?branch=atomic-std-only#c62e2c54)
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]     Checking bare-metal v0.1.1
[INFO] [stderr]     Checking aligned v0.1.1
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bare-metal-0.1.1/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn,const_unsafe_cell_new)]
[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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aligned-0.1.1/src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![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] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr] error: could not compile `bare-metal` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 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 `aligned` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "78e43c284753a77d33528eb0f7efe6d05bba23f8383667d21e90684c3f49938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e43c284753a77d33528eb0f7efe6d05bba23f8383667d21e90684c3f49938b", kill_on_drop: false }`
[INFO] [stdout] 78e43c284753a77d33528eb0f7efe6d05bba23f8383667d21e90684c3f49938b