[INFO] cloning repository https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Frust-expr-serial-port-stmf32-discovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Frust-expr-serial-port-stmf32-discovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6591fae2187665a8bda40661b69dc4b107cd21a9
[INFO] checking winksaville/rust-expr-serial-port-stmf32-discovery against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Frust-expr-serial-port-stmf32-discovery" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery
[INFO] finished tweaking git repo https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery
[INFO] tweaked toml for git repo https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/winksaville/rust-expr-serial-port-stmf32-discovery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded switch-hal v0.3.2
[INFO] [stderr]   Downloaded panic-itm v0.4.2
[INFO] [stderr]   Downloaded generic-array v0.11.2
[INFO] [stderr]   Downloaded micromath v1.1.0
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded rtcc v0.2.0
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded stm32f3-discovery v0.6.0
[INFO] [stderr]   Downloaded stm32f3xx-hal v0.6.1
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded stm32f3 v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0701fa26d27c7fa5b5da9a9a7cd46e0bfd326196541f055dd18b3f08df5ff75
[INFO] running `Command { std: "docker" "start" "-a" "f0701fa26d27c7fa5b5da9a9a7cd46e0bfd326196541f055dd18b3f08df5ff75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0701fa26d27c7fa5b5da9a9a7cd46e0bfd326196541f055dd18b3f08df5ff75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0701fa26d27c7fa5b5da9a9a7cd46e0bfd326196541f055dd18b3f08df5ff75", kill_on_drop: false }`
[INFO] [stdout] f0701fa26d27c7fa5b5da9a9a7cd46e0bfd326196541f055dd18b3f08df5ff75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c564e6b3376eab4cb82f85c410232be15b24aabd2f92f5e6d540cdc8e1104b
[INFO] running `Command { std: "docker" "start" "-a" "02c564e6b3376eab4cb82f85c410232be15b24aabd2f92f5e6d540cdc8e1104b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling stm32-usbd v0.5.1
[INFO] [stderr]    Compiling stm32f3 v0.12.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling stm32f3-discovery v0.6.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking switch-hal v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking rtcc v0.2.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking micromath v1.1.0
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking panic-itm v0.4.2
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f3xx-hal v0.6.1
[INFO] [stderr]     Checking aux v0.1.0 (/opt/rustwide/workdir/auxiliary)
[INFO] [stderr]     Checking expr-serial-port-stm32f3-discovery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.44s
[INFO] running `Command { std: "docker" "inspect" "02c564e6b3376eab4cb82f85c410232be15b24aabd2f92f5e6d540cdc8e1104b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c564e6b3376eab4cb82f85c410232be15b24aabd2f92f5e6d540cdc8e1104b", kill_on_drop: false }`
[INFO] [stdout] 02c564e6b3376eab4cb82f85c410232be15b24aabd2f92f5e6d540cdc8e1104b