[INFO] fetching crate rad1o-firmware 0.0.0...
[INFO] checking rad1o-firmware-0.0.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate rad1o-firmware 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rad1o-firmware 0.0.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rad1o-firmware 0.0.0
[INFO] finished tweaking crates.io crate rad1o-firmware 0.0.0
[INFO] tweaked toml for crates.io crate rad1o-firmware 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.14
[INFO] [stderr]   Downloaded lpc43xx-hal v0.0.0
[INFO] [stderr]   Downloaded console-traits v0.2.0
[INFO] [stderr]   Downloaded fatfs v0.2.0
[INFO] [stderr]   Downloaded vga-framebuffer v0.2.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.7
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded core_io v0.1.20210325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2bbebcfc2eb4cd17e27742fb30acb313245a0e268fbddc3207cd21d557e102c
[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" "d2bbebcfc2eb4cd17e27742fb30acb313245a0e268fbddc3207cd21d557e102c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2bbebcfc2eb4cd17e27742fb30acb313245a0e268fbddc3207cd21d557e102c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bbebcfc2eb4cd17e27742fb30acb313245a0e268fbddc3207cd21d557e102c", kill_on_drop: false }`
[INFO] [stdout] d2bbebcfc2eb4cd17e27742fb30acb313245a0e268fbddc3207cd21d557e102c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 308d2f62b09d412ac78f9937019ce7f92f9efaca6ea30ed69320ce1ba0969d7d
[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" "308d2f62b09d412ac78f9937019ce7f92f9efaca6ea30ed69320ce1ba0969d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling lpc43xx v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking console-traits v0.2.0
[INFO] [stderr]    Compiling rad1o-firmware v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling core_io v0.1.20210325
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking vga-framebuffer v0.2.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vga-framebuffer-0.2.1/src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![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 fatfs 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 `vga-framebuffer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fatfs-0.2.0/src/dir_entry.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub(crate) fn reset_created(&mut self) {
[INFO] [stdout]     |                                            - expected `()` because of default return type
[INFO] [stdout] 150 |         // nop - user controls timestamps manually
[INFO] [stdout] 151 |         false
[INFO] [stdout]     |         ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fatfs-0.2.0/src/dir_entry.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub(crate) fn reset_modified(&mut self) {
[INFO] [stdout]     |                                             - expected `()` because of default return type
[INFO] [stdout] 162 |         // nop - user controls timestamps manually
[INFO] [stdout] 163 |         false
[INFO] [stdout]     |         ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "308d2f62b09d412ac78f9937019ce7f92f9efaca6ea30ed69320ce1ba0969d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308d2f62b09d412ac78f9937019ce7f92f9efaca6ea30ed69320ce1ba0969d7d", kill_on_drop: false }`
[INFO] [stdout] 308d2f62b09d412ac78f9937019ce7f92f9efaca6ea30ed69320ce1ba0969d7d