[INFO] fetching crate adafruit-nrf52840-express 0.2.0...
[INFO] checking adafruit-nrf52840-express-0.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate adafruit-nrf52840-express 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate adafruit-nrf52840-express 0.2.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adafruit-nrf52840-express 0.2.0
[INFO] finished tweaking crates.io crate adafruit-nrf52840-express 0.2.0
[INFO] tweaked toml for crates.io crate adafruit-nrf52840-express 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding aligned v0.3.5 (latest: v0.4.2)
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding cortex-m v0.6.7 (latest: v0.7.7)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (latest: v0.7.3)
[INFO] [stderr]       Adding cortex-m-rt-macros v0.6.15 (latest: v0.7.0)
[INFO] [stderr]       Adding critical-section v0.2.8 (latest: v1.1.2)
[INFO] [stderr]       Adding embedded-dma v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding embedded-storage v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding nrf-hal-common v0.14.1 (latest: v0.18.0)
[INFO] [stderr]       Adding nrf-usbd v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding nrf52840-hal v0.14.1 (latest: v0.18.0)
[INFO] [stderr]       Adding nrf52840-pac v0.10.1 (latest: v0.12.2)
[INFO] [stderr]       Adding r0 v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding shared-bus v0.2.5 (latest: v0.3.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding usb-device v0.2.9 (latest: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded shared-bus v0.2.5
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded critical-section v0.2.8
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded fixed v1.27.0
[INFO] [stderr]   Downloaded nrf52840-pac v0.10.1
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded half v2.4.1
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded nrf52840-hal v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5a6bf101eb86961912058ea3835e0b7d290d798175e563865d0191dd7c88ae
[INFO] running `Command { std: "docker" "start" "-a" "cc5a6bf101eb86961912058ea3835e0b7d290d798175e563865d0191dd7c88ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5a6bf101eb86961912058ea3835e0b7d290d798175e563865d0191dd7c88ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5a6bf101eb86961912058ea3835e0b7d290d798175e563865d0191dd7c88ae", kill_on_drop: false }`
[INFO] [stdout] cc5a6bf101eb86961912058ea3835e0b7d290d798175e563865d0191dd7c88ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ba8debe2f3fec9974b043c5a42ed50e42cfb2939d15cfe016f8dc8bb6fc38b
[INFO] running `Command { std: "docker" "start" "-a" "42ba8debe2f3fec9974b043c5a42ed50e42cfb2939d15cfe016f8dc8bb6fc38b", kill_on_drop: false }`
[INFO] [stderr] error: output of --print=file-names missing when learning about target-specific information from rustc
[INFO] [stderr] command was: `/opt/rustwide/rustup-home/toolchains/506512391b1a75ae450d36c9420978402a91abcc/bin/rustc - --crate-name ___ --print=file-names --cap-lints=allow --target thumbv7em-none-eabihf --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=split-debuginfo --print=crate-name --print=cfg`
[INFO] [stderr] 
[INFO] [stderr] --- stdout
[INFO] [stderr] ___
[INFO] [stderr] lib___.rlib
[INFO] [stderr] lib___.a
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/506512391b1a75ae450d36c9420978402a91abcc
[INFO] [stderr] off
[INFO] [stderr] ___
[INFO] [stderr] debug_assertions
[INFO] [stderr] overflow_checks
[INFO] [stderr] panic="abort"
[INFO] [stderr] proc_macro
[INFO] [stderr] relocation_model="static"
[INFO] [stderr] target_abi="eabihf"
[INFO] [stderr] target_arch="arm"
[INFO] [stderr] target_endian="little"
[INFO] [stderr] target_env=""
[INFO] [stderr] target_feature="dsp"
[INFO] [stderr] target_feature="mclass"
[INFO] [stderr] target_feature="thumb-mode"
[INFO] [stderr] target_feature="thumb2"
[INFO] [stderr] target_feature="v5te"
[INFO] [stderr] target_feature="v6"
[INFO] [stderr] target_feature="v6k"
[INFO] [stderr] target_feature="v6t2"
[INFO] [stderr] target_feature="v7"
[INFO] [stderr] target_has_atomic
[INFO] [stderr] target_has_atomic="16"
[INFO] [stderr] target_has_atomic="32"
[INFO] [stderr] target_has_atomic="8"
[INFO] [stderr] target_has_atomic="ptr"
[INFO] [stderr] target_has_atomic_equal_alignment="16"
[INFO] [stderr] target_has_atomic_equal_alignment="32"
[INFO] [stderr] target_has_atomic_equal_alignment="8"
[INFO] [stderr] target_has_atomic_equal_alignment="ptr"
[INFO] [stderr] target_has_atomic_load_store
[INFO] [stderr] target_has_atomic_load_store="16"
[INFO] [stderr] target_has_atomic_load_store="32"
[INFO] [stderr] target_has_atomic_load_store="8"
[INFO] [stderr] target_has_atomic_load_store="ptr"
[INFO] [stderr] target_os="none"
[INFO] [stderr] target_pointer_width="32"
[INFO] [stderr] target_vendor="unknown"
[INFO] [stderr] ub_checks
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "42ba8debe2f3fec9974b043c5a42ed50e42cfb2939d15cfe016f8dc8bb6fc38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ba8debe2f3fec9974b043c5a42ed50e42cfb2939d15cfe016f8dc8bb6fc38b", kill_on_drop: false }`
[INFO] [stdout] 42ba8debe2f3fec9974b043c5a42ed50e42cfb2939d15cfe016f8dc8bb6fc38b
[INFO] checking adafruit-nrf52840-express-0.2.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate adafruit-nrf52840-express 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate adafruit-nrf52840-express 0.2.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adafruit-nrf52840-express 0.2.0
[INFO] finished tweaking crates.io crate adafruit-nrf52840-express 0.2.0
[INFO] tweaked toml for crates.io crate adafruit-nrf52840-express 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding aligned v0.3.5 (latest: v0.4.2)
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding cortex-m v0.6.7 (latest: v0.7.7)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (latest: v0.7.3)
[INFO] [stderr]       Adding cortex-m-rt-macros v0.6.15 (latest: v0.7.0)
[INFO] [stderr]       Adding critical-section v0.2.8 (latest: v1.1.2)
[INFO] [stderr]       Adding embedded-dma v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding embedded-storage v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding nrf-hal-common v0.14.1 (latest: v0.18.0)
[INFO] [stderr]       Adding nrf-usbd v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding nrf52840-hal v0.14.1 (latest: v0.18.0)
[INFO] [stderr]       Adding nrf52840-pac v0.10.1 (latest: v0.12.2)
[INFO] [stderr]       Adding r0 v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding shared-bus v0.2.5 (latest: v0.3.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding usb-device v0.2.9 (latest: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b57bd86465f1241c3665ae0f6f41e4279346e5f14478bb41e3ab10376d2137a
[INFO] running `Command { std: "docker" "start" "-a" "3b57bd86465f1241c3665ae0f6f41e4279346e5f14478bb41e3ab10376d2137a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b57bd86465f1241c3665ae0f6f41e4279346e5f14478bb41e3ab10376d2137a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b57bd86465f1241c3665ae0f6f41e4279346e5f14478bb41e3ab10376d2137a", kill_on_drop: false }`
[INFO] [stdout] 3b57bd86465f1241c3665ae0f6f41e4279346e5f14478bb41e3ab10376d2137a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79cb70157782c7a0df8d52b5730eae83ec5374dc8969c6365f8e5f041f3f3b0
[INFO] running `Command { std: "docker" "start" "-a" "c79cb70157782c7a0df8d52b5730eae83ec5374dc8969c6365f8e5f041f3f3b0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "c79cb70157782c7a0df8d52b5730eae83ec5374dc8969c6365f8e5f041f3f3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79cb70157782c7a0df8d52b5730eae83ec5374dc8969c6365f8e5f041f3f3b0", kill_on_drop: false }`
[INFO] [stdout] c79cb70157782c7a0df8d52b5730eae83ec5374dc8969c6365f8e5f041f3f3b0