[INFO] fetching crate stm32-uart-loader 0.1.2...
[INFO] checking stm32-uart-loader-0.1.2 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate stm32-uart-loader 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate stm32-uart-loader 0.1.2 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32-uart-loader 0.1.2
[INFO] finished tweaking crates.io crate stm32-uart-loader 0.1.2
[INFO] tweaked toml for crates.io crate stm32-uart-loader 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate stm32-uart-loader 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f88ba703524c3a53ff7f3c6ed6728712aafff483b0a6b3f32628a8c033f0964
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f88ba703524c3a53ff7f3c6ed6728712aafff483b0a6b3f32628a8c033f0964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f88ba703524c3a53ff7f3c6ed6728712aafff483b0a6b3f32628a8c033f0964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f88ba703524c3a53ff7f3c6ed6728712aafff483b0a6b3f32628a8c033f0964", kill_on_drop: false }`
[INFO] [stdout] 7f88ba703524c3a53ff7f3c6ed6728712aafff483b0a6b3f32628a8c033f0964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5703f877582c8b4581c493b354088596d535ccb7f1f7db5e75e662f646d48b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f5703f877582c8b4581c493b354088596d535ccb7f1f7db5e75e662f646d48b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking simplelog v0.9.0
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking bytefmt v0.1.7
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking stm32-uart-loader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.13s
[INFO] running `Command { std: "docker" "inspect" "3f5703f877582c8b4581c493b354088596d535ccb7f1f7db5e75e662f646d48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5703f877582c8b4581c493b354088596d535ccb7f1f7db5e75e662f646d48b", kill_on_drop: false }`
[INFO] [stdout] 3f5703f877582c8b4581c493b354088596d535ccb7f1f7db5e75e662f646d48b