[INFO] fetching crate ice40 0.3.0...
[INFO] checking ice40-0.3.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate ice40 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ice40 0.3.0
[INFO] finished tweaking crates.io crate ice40 0.3.0
[INFO] tweaked toml for crates.io crate ice40 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ice40 0.3.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ice40 0.3.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unescaper v0.1.4
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.2
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0
[INFO] [stderr]   Downloaded spidev v0.6.0
[INFO] [stderr]   Downloaded ftdi-mpsse v0.1.1
[INFO] [stderr]   Downloaded i2cdev v0.6.0
[INFO] [stderr]   Downloaded ftdi-embedded-hal v0.21.1
[INFO] [stderr]   Downloaded libftd2xx v0.32.4
[INFO] [stderr]   Downloaded gpio-cdev v0.6.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.4.0
[INFO] [stderr]   Downloaded libftd2xx-ffi v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8f20bdbae5a1ce5bed9e59235a8b5f4968119c3c465b05d6695f307279c049a
[INFO] running `Command { std: "docker" "start" "-a" "b8f20bdbae5a1ce5bed9e59235a8b5f4968119c3c465b05d6695f307279c049a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f20bdbae5a1ce5bed9e59235a8b5f4968119c3c465b05d6695f307279c049a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f20bdbae5a1ce5bed9e59235a8b5f4968119c3c465b05d6695f307279c049a", kill_on_drop: false }`
[INFO] [stdout] b8f20bdbae5a1ce5bed9e59235a8b5f4968119c3c465b05d6695f307279c049a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9e31798e334f52fd626f0bd854b4322b5d8f37a548fab4497a7009859c64de
[INFO] running `Command { std: "docker" "start" "-a" "8b9e31798e334f52fd626f0bd854b4322b5d8f37a548fab4497a7009859c64de", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling libftd2xx-ffi v0.8.6
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking ftdi-mpsse v0.1.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking libftd2xx v0.32.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking gpio-cdev v0.6.0
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking ftdi-embedded-hal v0.21.1
[INFO] [stderr]     Checking ice40 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking spidev v0.6.0
[INFO] [stderr]     Checking i2cdev v0.6.0
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.6.2
[INFO] [stderr]     Checking linux-embedded-hal v0.4.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.06s
[INFO] running `Command { std: "docker" "inspect" "8b9e31798e334f52fd626f0bd854b4322b5d8f37a548fab4497a7009859c64de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9e31798e334f52fd626f0bd854b4322b5d8f37a548fab4497a7009859c64de", kill_on_drop: false }`
[INFO] [stdout] 8b9e31798e334f52fd626f0bd854b4322b5d8f37a548fab4497a7009859c64de
