[INFO] fetching crate imxrt-uart-log 0.2.0...
[INFO] checking imxrt-uart-log-0.2.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate imxrt-uart-log 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imxrt-uart-log 0.2.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imxrt-uart-log 0.2.0
[INFO] finished tweaking crates.io crate imxrt-uart-log 0.2.0
[INFO] tweaked toml for crates.io crate imxrt-uart-log 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imxrt-uart-log 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imxrt-iomuxc-build v0.1.0
[INFO] [stderr]   Downloaded imxrt-ral v0.4.0
[INFO] [stderr]   Downloaded imxrt-iomuxc v0.1.0
[INFO] [stderr]   Downloaded imxrt-hal v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b4ea7fb0abf84e580664daff841498172529567ceaa1ec20ec4543e54e0ee84
[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" "9b4ea7fb0abf84e580664daff841498172529567ceaa1ec20ec4543e54e0ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b4ea7fb0abf84e580664daff841498172529567ceaa1ec20ec4543e54e0ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4ea7fb0abf84e580664daff841498172529567ceaa1ec20ec4543e54e0ee84", kill_on_drop: false }`
[INFO] [stdout] 9b4ea7fb0abf84e580664daff841498172529567ceaa1ec20ec4543e54e0ee84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f9d9e858d6ac6a95a959604045cd7b85845d9078b35df7e77ef770eee733871
[INFO] running `Command { std: "docker" "start" "-a" "0f9d9e858d6ac6a95a959604045cd7b85845d9078b35df7e77ef770eee733871", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling imxrt-ral v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling imxrt-iomuxc-build v0.1.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling imxrt-iomuxc v0.1.0
[INFO] [stderr]     Checking imxrt-hal v0.4.0
[INFO] [stderr]     Checking imxrt-uart-log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]  --> examples/demo/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use teensy4_rt::interrupt;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]   --> examples/t4_dma.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use teensy4_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]   --> examples/t4_dma.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use teensy4_rt::interrupt;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `interrupt`
[INFO] [stdout]   --> examples/demo/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[interrupt]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `interrupt`
[INFO] [stdout]   --> examples/t4_dma.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[interrupt]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `entry`
[INFO] [stdout]   --> examples/t4_dma.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[entry]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]  --> examples/demo/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use teensy4_rt::interrupt;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]   --> examples/t4_blocking.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use teensy4_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `interrupt`
[INFO] [stdout]   --> examples/demo/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[interrupt]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `entry`
[INFO] [stdout]   --> examples/t4_blocking.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[entry]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imxrt-uart-log`
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]  --> examples/demo/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use teensy4_rt::interrupt;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `teensy4_rt`
[INFO] [stdout]   --> examples/t4_idle.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use teensy4_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `teensy4_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `interrupt`
[INFO] [stdout]   --> examples/demo/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[interrupt]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `entry`
[INFO] [stdout]   --> examples/t4_idle.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[entry]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f9d9e858d6ac6a95a959604045cd7b85845d9078b35df7e77ef770eee733871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9d9e858d6ac6a95a959604045cd7b85845d9078b35df7e77ef770eee733871", kill_on_drop: false }`
[INFO] [stdout] 0f9d9e858d6ac6a95a959604045cd7b85845d9078b35df7e77ef770eee733871