[INFO] fetching crate sh1108 0.1.0...
[INFO] checking sh1108-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sh1108 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sh1108 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate sh1108 0.1.0
[INFO] finished tweaking crates.io crate sh1108 0.1.0
[INFO] tweaked toml for crates.io crate sh1108 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sh1108 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded display-interface v0.4.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded display-interface-spi v0.4.1
[INFO] [stderr]   Downloaded display-interface-i2c v0.4.0
[INFO] [stderr]   Downloaded profont v0.7.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded bxcan v0.7.0
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.10.0
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded fugit v0.3.7
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded stm32f1 v0.15.1
[INFO] [stderr]   Downloaded stm32-usbd v0.6.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c0b44c98b478754c1a912ce83ddfa4e119c6c5add0a128df80128a09e32518
[INFO] running `Command { std: "docker" "start" "-a" "57c0b44c98b478754c1a912ce83ddfa4e119c6c5add0a128df80128a09e32518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c0b44c98b478754c1a912ce83ddfa4e119c6c5add0a128df80128a09e32518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c0b44c98b478754c1a912ce83ddfa4e119c6c5add0a128df80128a09e32518", kill_on_drop: false }`
[INFO] [stdout] 57c0b44c98b478754c1a912ce83ddfa4e119c6c5add0a128df80128a09e32518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7e42e4c05d697e5b155a02a0961dfadeb8af08614efce95e257cd94cbed3d6
[INFO] running `Command { std: "docker" "start" "-a" "5d7e42e4c05d697e5b155a02a0961dfadeb8af08614efce95e257cd94cbed3d6", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking display-interface v0.4.1
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling stm32f1 v0.15.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling sh1108 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking display-interface-i2c v0.4.0
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking display-interface-spi v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking panic-semihosting v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stdout] warning: the item `hal` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:47:11
[INFO] [stdout]     |
[INFO] [stdout] 47  | use hal::{self, digital::v2::OutputPin};
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | extern crate embedded_hal as hal;
[INFO] [stdout]     | --------------------------------- the item `hal` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking profont v0.7.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking stm32f1xx-hal v0.10.0
[INFO] [stdout] warning: the item `hal` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:47:11
[INFO] [stdout]     |
[INFO] [stdout] 47  | use hal::{self, digital::v2::OutputPin};
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | extern crate embedded_hal as hal;
[INFO] [stdout]     | --------------------------------- the item `hal` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "5d7e42e4c05d697e5b155a02a0961dfadeb8af08614efce95e257cd94cbed3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7e42e4c05d697e5b155a02a0961dfadeb8af08614efce95e257cd94cbed3d6", kill_on_drop: false }`
[INFO] [stdout] 5d7e42e4c05d697e5b155a02a0961dfadeb8af08614efce95e257cd94cbed3d6