[INFO] cloning repository https://github.com/mriise/lpc55S28-rtic-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mriise/lpc55S28-rtic-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmriise%2Flpc55S28-rtic-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmriise%2Flpc55S28-rtic-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914f9a46f1a0cf49f3948fcd66c30b46e33cb3e7
[INFO] checking mriise/lpc55S28-rtic-examples against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmriise%2Flpc55S28-rtic-examples" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mriise/lpc55S28-rtic-examples
[INFO] finished tweaking git repo https://github.com/mriise/lpc55S28-rtic-examples
[INFO] tweaked toml for git repo https://github.com/mriise/lpc55S28-rtic-examples written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mriise/lpc55S28-rtic-examples on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mriise/lpc55S28-rtic-examples 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f71c801ac834af6cc9272e9bc748795eb851b4a56d78668a079d4980cac0e7ed
[INFO] running `Command { std: "docker" "start" "-a" "f71c801ac834af6cc9272e9bc748795eb851b4a56d78668a079d4980cac0e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71c801ac834af6cc9272e9bc748795eb851b4a56d78668a079d4980cac0e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71c801ac834af6cc9272e9bc748795eb851b4a56d78668a079d4980cac0e7ed", kill_on_drop: false }`
[INFO] [stdout] f71c801ac834af6cc9272e9bc748795eb851b4a56d78668a079d4980cac0e7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ec2da535d7731e50c032c1068d6624106dc9160d2bd4d6a83b8724b2cef00a
[INFO] running `Command { std: "docker" "start" "-a" "05ec2da535d7731e50c032c1068d6624106dc9160d2bd4d6a83b8724b2cef00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling lpc55-rtic v0.5.7
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling lpc55-pac v0.4.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]    Compiling cortex-m-rtic v0.6.0-alpha.5
[INFO] [stderr]    Compiling lpc55-hal v0.3.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking embedded-time v0.12.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rtic-monotonic v0.1.0-alpha.2
[INFO] [stderr]     Checking dwt-systick-monotonic v0.1.0-alpha.3
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-alpha.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.6.0-alpha.5
[INFO] [stderr]    Compiling lpc55-rtic-macros v0.5.3
[INFO] [stderr]     Checking blinky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/main.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let toggle = (*led).is_set_low().unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blinky` (bin "blinky") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "05ec2da535d7731e50c032c1068d6624106dc9160d2bd4d6a83b8724b2cef00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ec2da535d7731e50c032c1068d6624106dc9160d2bd4d6a83b8724b2cef00a", kill_on_drop: false }`
[INFO] [stdout] 05ec2da535d7731e50c032c1068d6624106dc9160d2bd4d6a83b8724b2cef00a