[INFO] fetching crate dfu-flasher 0.2.0...
[INFO] checking dfu-flasher-0.2.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate dfu-flasher 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dfu-flasher 0.2.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dfu-flasher 0.2.0
[INFO] finished tweaking crates.io crate dfu-flasher 0.2.0
[INFO] tweaked toml for crates.io crate dfu-flasher 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dfu-flasher 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-hex v0.1.0
[INFO] [stderr]   Downloaded usbapi v0.2.0
[INFO] [stderr]   Downloaded sysfs-serde v0.2.1
[INFO] [stderr]   Downloaded dfu v0.2.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561cb5c3b02c3fed0a7c021030c380203d247db84efaf511fc50f4f255abc333
[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" "561cb5c3b02c3fed0a7c021030c380203d247db84efaf511fc50f4f255abc333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561cb5c3b02c3fed0a7c021030c380203d247db84efaf511fc50f4f255abc333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561cb5c3b02c3fed0a7c021030c380203d247db84efaf511fc50f4f255abc333", kill_on_drop: false }`
[INFO] [stdout] 561cb5c3b02c3fed0a7c021030c380203d247db84efaf511fc50f4f255abc333
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c503987f8d4229de0f335dd38ac249286ef1037aa82c473ce4e091771d70e3df
[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" "c503987f8d4229de0f335dd38ac249286ef1037aa82c473ce4e091771d70e3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]     Checking sysfs-serde v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking usbapi v0.2.0
[INFO] [stderr]     Checking dfu v0.2.1
[INFO] [stderr]     Checking dfu-flasher v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "c503987f8d4229de0f335dd38ac249286ef1037aa82c473ce4e091771d70e3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c503987f8d4229de0f335dd38ac249286ef1037aa82c473ce4e091771d70e3df", kill_on_drop: false }`
[INFO] [stdout] c503987f8d4229de0f335dd38ac249286ef1037aa82c473ce4e091771d70e3df