[INFO] fetching crate msp432p401r-hal 0.2.0...
[INFO] testing msp432p401r-hal-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate msp432p401r-hal 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate msp432p401r-hal 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate msp432p401r-hal 0.2.0
[INFO] finished tweaking crates.io crate msp432p401r-hal 0.2.0
[INFO] tweaked toml for crates.io crate msp432p401r-hal 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate msp432p401r-hal 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded as-slice v0.1.4
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.4
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded msp432p401r-pac v0.1.1
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded bare-metal v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 351d0ad3674117e1698de60f2f39998e728e40bde21820c9c36022cab0a053b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "351d0ad3674117e1698de60f2f39998e728e40bde21820c9c36022cab0a053b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351d0ad3674117e1698de60f2f39998e728e40bde21820c9c36022cab0a053b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351d0ad3674117e1698de60f2f39998e728e40bde21820c9c36022cab0a053b9", kill_on_drop: false }`
[INFO] [stdout] 351d0ad3674117e1698de60f2f39998e728e40bde21820c9c36022cab0a053b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7883b5e0b7cd6c502ec3c9dcc57f9acbca1627d5bfb73b8f881a6ea6fb82388f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7883b5e0b7cd6c502ec3c9dcc57f9acbca1627d5bfb73b8f881a6ea6fb82388f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling msp432p401r-pac v0.1.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling msp432p401r-hal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.1.3
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.3/src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "const-fn", 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]    Compiling volatile-register v0.2.0
[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 `bare-metal` 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" "7883b5e0b7cd6c502ec3c9dcc57f9acbca1627d5bfb73b8f881a6ea6fb82388f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7883b5e0b7cd6c502ec3c9dcc57f9acbca1627d5bfb73b8f881a6ea6fb82388f", kill_on_drop: false }`
[INFO] [stdout] 7883b5e0b7cd6c502ec3c9dcc57f9acbca1627d5bfb73b8f881a6ea6fb82388f