[INFO] fetching crate lis3dh 0.3.0...
[INFO] checking lis3dh-0.3.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate lis3dh 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lis3dh 0.3.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate lis3dh 0.3.0
[INFO] finished tweaking crates.io crate lis3dh 0.3.0
[INFO] tweaked toml for crates.io crate lis3dh 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lis3dh 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 panic-halt v0.2.0
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded num_enum v0.5.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.4
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded aligned v0.3.1
[INFO] [stderr]   Downloaded paste v0.1.6
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded num_enum_derive v0.5.0
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded paste-impl v0.1.6
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded as-slice v0.1.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded atsamd-hal v0.9.0
[INFO] [stderr]   Downloaded syn v1.0.4
[INFO] [stderr]   Downloaded micromath v1.0.1
[INFO] [stderr]   Downloaded atsamd21g18a v0.7.0
[INFO] [stderr]   Downloaded circuit_playground_express v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9af158c26a2ffca6584114407327b485d783c7f9fdda2cf39025fe481c0f50
[INFO] running `Command { std: "docker" "start" "-a" "8b9af158c26a2ffca6584114407327b485d783c7f9fdda2cf39025fe481c0f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9af158c26a2ffca6584114407327b485d783c7f9fdda2cf39025fe481c0f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9af158c26a2ffca6584114407327b485d783c7f9fdda2cf39025fe481c0f50", kill_on_drop: false }`
[INFO] [stdout] 8b9af158c26a2ffca6584114407327b485d783c7f9fdda2cf39025fe481c0f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4b7389adeb8f53b8216e28b0217095dcc8cea9c743a5d46d7aba912f6171ef
[INFO] running `Command { std: "docker" "start" "-a" "af4b7389adeb8f53b8216e28b0217095dcc8cea9c743a5d46d7aba912f6171ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling atsamd21g18a v0.7.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.4
[INFO] [stderr]    Compiling circuit_playground_express v0.7.0
[INFO] [stderr]    Compiling lis3dh v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking micromath v1.0.1
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking num_enum v0.5.0
[INFO] [stdout] error[E0599]: no method named `as_ptr` found for struct `VolatileCell` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atsamd21g18a-0.7.0/src/generic.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.register.as_ptr()
[INFO] [stdout]    |                       ^^^^^^ method not found in `VolatileCell<U>`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamd21g18a`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "af4b7389adeb8f53b8216e28b0217095dcc8cea9c743a5d46d7aba912f6171ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4b7389adeb8f53b8216e28b0217095dcc8cea9c743a5d46d7aba912f6171ef", kill_on_drop: false }`
[INFO] [stdout] af4b7389adeb8f53b8216e28b0217095dcc8cea9c743a5d46d7aba912f6171ef