[INFO] fetching crate arduino_nano33iot 0.7.1...
[INFO] checking arduino_nano33iot-0.7.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate arduino_nano33iot 0.7.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate arduino_nano33iot 0.7.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate arduino_nano33iot 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arduino_nano33iot 0.7.1
[INFO] tweaked toml for crates.io crate arduino_nano33iot 0.7.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate arduino_nano33iot 0.7.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded display-interface v0.4.1
[INFO] [stderr]   Downloaded display-interface-spi v0.4.1
[INFO] [stderr]   Downloaded st7735-lcd v0.8.1
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded ssd1306 v0.7.1
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded display-interface-i2c v0.4.0
[INFO] [stderr]   Downloaded seq-macro v0.2.2
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded replace_with v0.1.7
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded atsamd21g v0.11.0
[INFO] [stderr]   Downloaded atsamd-hal v0.14.0
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7768da7565275d3e26b600632127a97f290e29411d6a7a4545de2f917b018841
[INFO] running `Command { std: "docker" "start" "-a" "7768da7565275d3e26b600632127a97f290e29411d6a7a4545de2f917b018841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7768da7565275d3e26b600632127a97f290e29411d6a7a4545de2f917b018841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7768da7565275d3e26b600632127a97f290e29411d6a7a4545de2f917b018841", kill_on_drop: false }`
[INFO] [stdout] 7768da7565275d3e26b600632127a97f290e29411d6a7a4545de2f917b018841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c171003e629c18d457c817ecfaf0e463ba6c169a5310012c022e9bd51ddb43
[INFO] running `Command { std: "docker" "start" "-a" "05c171003e629c18d457c817ecfaf0e463ba6c169a5310012c022e9bd51ddb43", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atsamd21g v0.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking display-interface v0.4.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling arduino_nano33iot v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking display-interface-spi v0.4.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking display-interface-i2c v0.4.0
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking ssd1306 v0.7.1
[INFO] [stderr]     Checking st7735-lcd v0.8.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.14.0
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> examples/i2c_ssd1306.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand;
[INFO] [stdout]    |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ssd1306` is imported redundantly
[INFO] [stdout]   --> examples/i2c_ssd1306.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use ssd1306;
[INFO] [stdout]    |     ^^^^^^^ the item `ssd1306` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `embedded_graphics` is imported redundantly
[INFO] [stdout]  --> examples/spi_st7735.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_graphics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `embedded_graphics` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `st7735_lcd` is imported redundantly
[INFO] [stdout]  --> examples/spi_st7735.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use st7735_lcd;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `st7735_lcd` is already defined by prelude
[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] [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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arduino_nano33iot` (example "blinky_basic") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arduino_nano33iot` (example "serial") due to 2 previous errors
[INFO] [stderr] error: could not compile `arduino_nano33iot` (example "i2c_ssd1306") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] error: could not compile `arduino_nano33iot` (example "spi_st7735") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "05c171003e629c18d457c817ecfaf0e463ba6c169a5310012c022e9bd51ddb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c171003e629c18d457c817ecfaf0e463ba6c169a5310012c022e9bd51ddb43", kill_on_drop: false }`
[INFO] [stdout] 05c171003e629c18d457c817ecfaf0e463ba6c169a5310012c022e9bd51ddb43
