[INFO] cloning repository https://github.com/jacobrosenthal/cargo-uf2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobrosenthal/cargo-uf2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Fcargo-uf2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Fcargo-uf2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85dab52477d9a74676c9f102eb895cc575d77ceb
[INFO] checking jacobrosenthal/cargo-uf2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Fcargo-uf2" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobrosenthal/cargo-uf2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobrosenthal/cargo-uf2
[INFO] finished tweaking git repo https://github.com/jacobrosenthal/cargo-uf2
[INFO] tweaked toml for git repo https://github.com/jacobrosenthal/cargo-uf2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobrosenthal/cargo-uf2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jacobrosenthal/uf2-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded hidapi v0.5.2
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded rustc-cfg v0.4.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded hexdump v0.1.0
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded goblin v0.0.24
[INFO] [stderr]   Downloaded crc-any v2.2.3
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded cargo-project v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2206338c86c5b1d2ef024d6ddf71b44971ede07205ada3bbd4df346a3954f724
[INFO] running `Command { std: "docker" "start" "-a" "2206338c86c5b1d2ef024d6ddf71b44971ede07205ada3bbd4df346a3954f724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2206338c86c5b1d2ef024d6ddf71b44971ede07205ada3bbd4df346a3954f724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2206338c86c5b1d2ef024d6ddf71b44971ede07205ada3bbd4df346a3954f724", kill_on_drop: false }`
[INFO] [stdout] 2206338c86c5b1d2ef024d6ddf71b44971ede07205ada3bbd4df346a3954f724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86112712f4ddfc8c21ac90e8c4933424348d6be9fc050da010e73a3c2ab07a36
[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" "86112712f4ddfc8c21ac90e8c4933424348d6be9fc050da010e73a3c2ab07a36", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking crc-any v2.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking uf2 v0.1.0 (https://github.com/jacobrosenthal/uf2-rs?rev=7a7412aac538852f5aa44f652fee7acda47879a1#7a7412aa)
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking cargo-project v0.2.3
[INFO] [stderr]     Checking cargo-uf2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "86112712f4ddfc8c21ac90e8c4933424348d6be9fc050da010e73a3c2ab07a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86112712f4ddfc8c21ac90e8c4933424348d6be9fc050da010e73a3c2ab07a36", kill_on_drop: false }`
[INFO] [stdout] 86112712f4ddfc8c21ac90e8c4933424348d6be9fc050da010e73a3c2ab07a36