[INFO] fetching crate dfu-flasher 0.2.0...
[INFO] checking dfu-flasher-0.2.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate dfu-flasher 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dfu-flasher 0.2.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-11/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c071c3a70033c196a969df51efe74e2f639ee06a6ead1c80d5e98972d3fc11bd
[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" "c071c3a70033c196a969df51efe74e2f639ee06a6ead1c80d5e98972d3fc11bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c071c3a70033c196a969df51efe74e2f639ee06a6ead1c80d5e98972d3fc11bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c071c3a70033c196a969df51efe74e2f639ee06a6ead1c80d5e98972d3fc11bd", kill_on_drop: false }`
[INFO] [stdout] c071c3a70033c196a969df51efe74e2f639ee06a6ead1c80d5e98972d3fc11bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2928905dd57ea8ff3f11caf268e9dbb3523f112a6d633689a9e4f0d1218fcebf
[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" "2928905dd57ea8ff3f11caf268e9dbb3523f112a6d633689a9e4f0d1218fcebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking clap v2.33.3
[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 01s
[INFO] running `Command { std: "docker" "inspect" "2928905dd57ea8ff3f11caf268e9dbb3523f112a6d633689a9e4f0d1218fcebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2928905dd57ea8ff3f11caf268e9dbb3523f112a6d633689a9e4f0d1218fcebf", kill_on_drop: false }`
[INFO] [stdout] 2928905dd57ea8ff3f11caf268e9dbb3523f112a6d633689a9e4f0d1218fcebf