[INFO] fetching crate samd11_bare 0.16.3...
[INFO] testing samd11_bare-0.16.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate samd11_bare 0.16.3 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate samd11_bare 0.16.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate samd11_bare 0.16.3
[INFO] tweaked toml for crates.io crate samd11_bare 0.16.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samd11_bare 0.16.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samd11_bare 0.16.3 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ce9dbe847f148ee9c3d29b8115f0a25d4945ce8eca884fc0292d2d90bf8dc93
[INFO] running `Command { std: "docker" "start" "-a" "4ce9dbe847f148ee9c3d29b8115f0a25d4945ce8eca884fc0292d2d90bf8dc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce9dbe847f148ee9c3d29b8115f0a25d4945ce8eca884fc0292d2d90bf8dc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce9dbe847f148ee9c3d29b8115f0a25d4945ce8eca884fc0292d2d90bf8dc93", kill_on_drop: false }`
[INFO] [stdout] 4ce9dbe847f148ee9c3d29b8115f0a25d4945ce8eca884fc0292d2d90bf8dc93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e3b9e5ceffa60d26bc093163574a989c950c640a97c0d8064dc17bb9a2e883
[INFO] running `Command { std: "docker" "start" "-a" "62e3b9e5ceffa60d26bc093163574a989c950c640a97c0d8064dc17bb9a2e883", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling atsamd11c v0.14.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling sorted-hlist v0.2.0
[INFO] [stderr]    Compiling fugit v0.3.9
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling samd11_bare v0.16.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling atsamd-hal-macros v0.3.0
[INFO] [stderr]    Compiling atsamd-hal v0.23.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.73s
[INFO] running `Command { std: "docker" "inspect" "62e3b9e5ceffa60d26bc093163574a989c950c640a97c0d8064dc17bb9a2e883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e3b9e5ceffa60d26bc093163574a989c950c640a97c0d8064dc17bb9a2e883", kill_on_drop: false }`
[INFO] [stdout] 62e3b9e5ceffa60d26bc093163574a989c950c640a97c0d8064dc17bb9a2e883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1023b20abc8fed3fbaa0450cd2c045ea10c4c2d22c3faf368fd233c4ec019b3
[INFO] running `Command { std: "docker" "start" "-a" "a1023b20abc8fed3fbaa0450cd2c045ea10c4c2d22c3faf368fd233c4ec019b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling panic-probe v0.2.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling samd11_bare v0.16.3 (/opt/rustwide/workdir)
[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 `samd11_bare` (example "pwm") due to 1 previous error
[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 `samd11_bare` (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 `samd11_bare` (example "serial") due to 1 previous error
[INFO] [stderr] error: could not compile `samd11_bare` (example "timer") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a1023b20abc8fed3fbaa0450cd2c045ea10c4c2d22c3faf368fd233c4ec019b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1023b20abc8fed3fbaa0450cd2c045ea10c4c2d22c3faf368fd233c4ec019b3", kill_on_drop: false }`
[INFO] [stdout] a1023b20abc8fed3fbaa0450cd2c045ea10c4c2d22c3faf368fd233c4ec019b3
