[INFO] cloning repository https://github.com/amiraeva/atsamd21-monotonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amiraeva/atsamd21-monotonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiraeva%2Fatsamd21-monotonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiraeva%2Fatsamd21-monotonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13f7cb570a11bce5f468038402c791b1e14d049
[INFO] checking amiraeva/atsamd21-monotonic against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiraeva%2Fatsamd21-monotonic" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amiraeva/atsamd21-monotonic on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/amiraeva/atsamd21-monotonic
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/amiraeva/atsamd21-monotonic
[INFO] tweaked toml for git repo https://github.com/amiraeva/atsamd21-monotonic written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/amiraeva/atsamd21-monotonic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtic-core v0.3.0
[INFO] [stderr]   Downloaded atomic v0.5.0
[INFO] [stderr]   Downloaded usb-device v0.2.5
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded numtoa v0.2.3
[INFO] [stderr]   Downloaded heapless v0.5.5
[INFO] [stderr]   Downloaded rtic-syntax v0.4.0
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v0.5.0
[INFO] [stderr]   Downloaded usbd-serial v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rtic v0.5.3
[INFO] [stderr]   Downloaded atsamd21g18a v0.7.0
[INFO] [stderr]   Downloaded atsamd-hal v0.9.0
[INFO] [stderr]   Downloaded feather_m0 v0.7.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd5fcfe2c19e4fea876cf0244e6f79dedb346f118f02d0229f49c0cf1834f5b3
[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" "cd5fcfe2c19e4fea876cf0244e6f79dedb346f118f02d0229f49c0cf1834f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5fcfe2c19e4fea876cf0244e6f79dedb346f118f02d0229f49c0cf1834f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5fcfe2c19e4fea876cf0244e6f79dedb346f118f02d0229f49c0cf1834f5b3", kill_on_drop: false }`
[INFO] [stdout] cd5fcfe2c19e4fea876cf0244e6f79dedb346f118f02d0229f49c0cf1834f5b3
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8087bb80d6e94918e18118eff848b2668d107ea042cdea892ed8f8daf7f6213e
[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" "8087bb80d6e94918e18118eff848b2668d107ea042cdea892ed8f8daf7f6213e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling atsamd21g18a v0.7.0
[INFO] [stderr]     Checking usb-device v0.2.5
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rtic-core v0.3.0
[INFO] [stderr]    Compiling feather_m0 v0.7.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking usbd-serial v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.0
[INFO] [stderr]     Checking atsamd-hal v0.9.0
[INFO] [stderr]     Checking atsamd21-monotonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::{self, Add, Sub},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtic::Monotonic`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rtic::Monotonic as _;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overflowed`
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn overflowed(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_ovf_flag`
[INFO] [stdout]   --> src/lib.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn reset_ovf_flag(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Monotonic` in `atsamd21_monotonic`
[INFO] [stdout]   --> examples/blink_1s.rs:82:41
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let start = atsamd21_monotonic::Monotonic::now();
[INFO] [stdout]    |                                         ^^^^^^^^^ not found in `atsamd21_monotonic`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 4  | use rtic::Monotonic;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Monotonic` in `atsamd21_monotonic`
[INFO] [stdout]   --> examples/blink_1s.rs:85:35
[INFO] [stdout]    |
[INFO] [stdout] 85 |         while atsamd21_monotonic::Monotonic::now() < next {}
[INFO] [stdout]    |                                   ^^^^^^^^^ not found in `atsamd21_monotonic`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 4  | use rtic::Monotonic;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Monotonic` in `atsamd21_monotonic`
[INFO] [stdout]    --> examples/blink_1s.rs:119:53
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     let count = atsamd21_monotonic::Monotonic::now().0;
[INFO] [stdout]     |                                                     ^^^^^^^^^ not found in `atsamd21_monotonic`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 4   | use rtic::Monotonic;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `FusedTimerCounter` is private
[INFO] [stdout]   --> examples/blink_1s.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use atsamd21_monotonic::FusedTimerCounter;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^ private struct
[INFO] [stdout]    |
[INFO] [stdout] note: the struct `FusedTimerCounter` is defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FusedTimerCounter<T1, T2> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> examples/blink_1s.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     gpio::{self, GpioExt as _},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtic::Monotonic`
[INFO] [stdout]   --> examples/blink_1s.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rtic::Monotonic;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cortex_m::asm::delay as cycle_delay`
[INFO] [stdout]   --> examples/blink_1s.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use cortex_m::asm::delay as cycle_delay;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `numtoa::NumToA`
[INFO] [stdout]    --> examples/blink_1s.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | use numtoa::NumToA as _;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamd21-monotonic`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8087bb80d6e94918e18118eff848b2668d107ea042cdea892ed8f8daf7f6213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8087bb80d6e94918e18118eff848b2668d107ea042cdea892ed8f8daf7f6213e", kill_on_drop: false }`
[INFO] [stdout] 8087bb80d6e94918e18118eff848b2668d107ea042cdea892ed8f8daf7f6213e