[INFO] fetching crate metro_m4 0.19.3... [INFO] checking metro_m4-0.19.3 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205 [INFO] extracting crate metro_m4 0.19.3 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate metro_m4 0.19.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate metro_m4 0.19.3 [INFO] tweaked toml for crates.io crate metro_m4 0.19.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate metro_m4 0.19.3 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate metro_m4 0.19.3 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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04c584f45bc6f5a1dd9e2cad23d232e8124d6a69021a079015cb93f6d9355510 [INFO] running `Command { std: "docker" "start" "-a" "04c584f45bc6f5a1dd9e2cad23d232e8124d6a69021a079015cb93f6d9355510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04c584f45bc6f5a1dd9e2cad23d232e8124d6a69021a079015cb93f6d9355510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c584f45bc6f5a1dd9e2cad23d232e8124d6a69021a079015cb93f6d9355510", kill_on_drop: false }` [INFO] [stdout] 04c584f45bc6f5a1dd9e2cad23d232e8124d6a69021a079015cb93f6d9355510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fb2ff8728e951ae33c99ffcf495576d068a094259a3f69ead8429124162e6d2 [INFO] running `Command { std: "docker" "start" "-a" "4fb2ff8728e951ae33c99ffcf495576d068a094259a3f69ead8429124162e6d2", kill_on_drop: false }` [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling siphasher v1.0.2 [INFO] [stderr] Compiling hashbrown v0.16.1 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling portable-atomic v1.13.1 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling cortex-m-rt v0.7.5 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling ryu v1.0.23 [INFO] [stderr] Compiling itoa v1.0.17 [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Compiling defmt-macros v1.0.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking gcd v2.3.0 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Compiling atsamd51j v0.14.2 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Checking fugit v0.3.9 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling defmt v1.0.1 [INFO] [stderr] Checking rgb v0.8.53 [INFO] [stderr] Compiling litrs v0.4.2 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cpufeatures v0.2.17 [INFO] [stderr] Compiling indexmap v2.13.0 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.7 [INFO] [stderr] Checking futures-core v0.3.32 [INFO] [stderr] Checking rtic-common v1.1.0 [INFO] [stderr] Checking futures-util v0.3.32 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Checking embedded-hal-nb v1.0.0 [INFO] [stderr] Compiling panic-probe v0.3.2 [INFO] [stderr] Compiling defmt-rtt v0.4.2 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking smart-leds-trait v0.2.1 [INFO] [stderr] Checking rand_core v0.9.5 [INFO] [stderr] Compiling seq-macro v0.3.6 [INFO] [stderr] Compiling rtic v2.2.0 [INFO] [stderr] Checking opaque-debug v0.3.1 [INFO] [stderr] Compiling phf_codegen v0.11.3 [INFO] [stderr] Checking bitflags v2.11.0 [INFO] [stderr] Compiling rtic-monotonics v2.1.0 [INFO] [stderr] Compiling embassy-executor v0.6.3 [INFO] [stderr] Compiling metro_m4 v0.19.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling litrs v1.0.0 [INFO] [stderr] Checking sorted-hlist v0.2.0 [INFO] [stderr] [FMTARGS] {"crate":"build_script_build","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"build_script_build","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] [FMTARGS] {"crate":"build_script_build","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] Checking rtt-target v0.3.1 [INFO] [stderr] Checking usb-device v0.3.2 [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Checking rtic-core v1.0.0 [INFO] [stderr] Checking panic-semihosting v0.5.6 [INFO] [stderr] Checking ws2812-timer-delay v0.3.0 [INFO] [stderr] Checking panic-rtt-target v0.1.2 [INFO] [stderr] Checking smart-leds v0.3.0 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Compiling document-features v0.2.12 [INFO] [stderr] Checking usbd-serial v0.2.2 [INFO] [stderr] Checking crypto-common v0.1.7 [INFO] [stderr] Checking inout v0.1.4 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking rtic-time v2.0.1 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Checking modular-bitfield v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.5 [INFO] [stderr] Compiling rtic-macros v2.2.0 [INFO] [stderr] Compiling defmt-parser v1.0.0 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling embassy-executor-macros v0.6.2 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking defmt v0.3.100 [INFO] [stderr] Compiling atsamd-hal-macros v0.3.0 [INFO] [stderr] Checking atsamd-hal v0.23.3 [INFO] [stderr] [FMTARGS] {"crate":"trng","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "trng") due to 1 previous error [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "blinky_basic") due to 1 previous error [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "serial") due to 1 previous error [INFO] [stdout] warning: unused imports: `Adc` and `Resolution` [INFO] [stdout] --> examples/adc.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | adc::{Accumulation, Adc, Prescaler, Resolution}, [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "timer") due to 1 previous error [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "adc") due to 1 previous error; 2 warnings emitted [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> examples/adc.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let res = adc.read(&mut adc_pin); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "neopixel_blink") due to 1 previous error [INFO] [stderr] error: could not compile `metro_m4` (example "pwm") due to 1 previous error [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `metro_m4` (example "clock_out") due to 1 previous error [INFO] [stderr] error: could not compile `metro_m4` (example "hello") due to 2 previous errors [INFO] [stderr] error: could not compile `metro_m4` (example "neopixel_rainbow") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "4fb2ff8728e951ae33c99ffcf495576d068a094259a3f69ead8429124162e6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb2ff8728e951ae33c99ffcf495576d068a094259a3f69ead8429124162e6d2", kill_on_drop: false }` [INFO] [stdout] 4fb2ff8728e951ae33c99ffcf495576d068a094259a3f69ead8429124162e6d2