[INFO] cloning repository https://github.com/milesgranger/garage-backup-sensor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milesgranger/garage-backup-sensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesgranger%2Fgarage-backup-sensor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesgranger%2Fgarage-backup-sensor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a41ba355d9ff3f1af4f41674fff80ef7f92a90f
[INFO] checking milesgranger/garage-backup-sensor against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesgranger%2Fgarage-backup-sensor" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milesgranger/garage-backup-sensor on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/milesgranger/garage-backup-sensor
[INFO] finished tweaking git repo https://github.com/milesgranger/garage-backup-sensor
[INFO] tweaked toml for git repo https://github.com/milesgranger/garage-backup-sensor written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/milesgranger/garage-backup-sensor 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.opt
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git submodule `https://github.com/embassy-rs/stm32-data.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/embassy-rs/chiptool`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdio-host v0.5.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded seq-macro v0.3.2
[INFO] [stderr]   Downloaded xmltree v0.8.0
[INFO] [stderr]   Downloaded embedded-hal-async v0.2.0-alpha.0
[INFO] [stderr]   Downloaded svd-parser v0.10.2
[INFO] [stderr]   Downloaded static_cell v1.0.0
[INFO] [stderr]   Downloaded bxcan v0.7.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded embedded-storage-async v0.3.0
[INFO] [stderr]   Downloaded stm32-fmc v0.2.4
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a9d1a4b921c50cfa99e5db62a802184cf0f07c43c34b027590847c4ff9cccb
[INFO] running `Command { std: "docker" "start" "-a" "a0a9d1a4b921c50cfa99e5db62a802184cf0f07c43c34b027590847c4ff9cccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a9d1a4b921c50cfa99e5db62a802184cf0f07c43c34b027590847c4ff9cccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a9d1a4b921c50cfa99e5db62a802184cf0f07c43c34b027590847c4ff9cccb", kill_on_drop: false }`
[INFO] [stdout] a0a9d1a4b921c50cfa99e5db62a802184cf0f07c43c34b027590847c4ff9cccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca11fa6c62941d251c278be27f7d75854317ee82538e4843535f1159248bef5e
[INFO] running `Command { std: "docker" "start" "-a" "ca11fa6c62941d251c278be27f7d75854317ee82538e4843535f1159248bef5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.opt
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ca11fa6c62941d251c278be27f7d75854317ee82538e4843535f1159248bef5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca11fa6c62941d251c278be27f7d75854317ee82538e4843535f1159248bef5e", kill_on_drop: false }`
[INFO] [stdout] ca11fa6c62941d251c278be27f7d75854317ee82538e4843535f1159248bef5e