[INFO] fetching crate teensy-loader 0.1.2...
[INFO] building teensy-loader-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate teensy-loader 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate teensy-loader 0.1.2
[INFO] finished tweaking crates.io crate teensy-loader 0.1.2
[INFO] tweaked toml for crates.io crate teensy-loader 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teensy-loader 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate teensy-loader 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbb75fe6f524d9a9c0dc5ac4f31173b27aeb2a2cae87e0a701f2f12caf468fd
[INFO] running `Command { std: "docker" "start" "-a" "6fbb75fe6f524d9a9c0dc5ac4f31173b27aeb2a2cae87e0a701f2f12caf468fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbb75fe6f524d9a9c0dc5ac4f31173b27aeb2a2cae87e0a701f2f12caf468fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbb75fe6f524d9a9c0dc5ac4f31173b27aeb2a2cae87e0a701f2f12caf468fd", kill_on_drop: false }`
[INFO] [stdout] 6fbb75fe6f524d9a9c0dc5ac4f31173b27aeb2a2cae87e0a701f2f12caf468fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23266ea726bf7c2cefbea8b0513c08d6f4dadc2f68c3c3a910156a98d878dde6
[INFO] running `Command { std: "docker" "start" "-a" "23266ea726bf7c2cefbea8b0513c08d6f4dadc2f68c3c3a910156a98d878dde6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling libusb1-sys v0.3.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling rusb v0.5.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling teensy-loader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/payload.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     .map({ |v| Some(*v) })
[INFO] [stdout]    |                          ^^            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 85 -                     .map({ |v| Some(*v) })
[INFO] [stdout] 85 +                     .map(|v| Some(*v) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.24s
[INFO] running `Command { std: "docker" "inspect" "23266ea726bf7c2cefbea8b0513c08d6f4dadc2f68c3c3a910156a98d878dde6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23266ea726bf7c2cefbea8b0513c08d6f4dadc2f68c3c3a910156a98d878dde6", kill_on_drop: false }`
[INFO] [stdout] 23266ea726bf7c2cefbea8b0513c08d6f4dadc2f68c3c3a910156a98d878dde6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63297c83fbde7bbdebfe28fd1967a22608e738e790caf55c413db1cb8781f8e6
[INFO] running `Command { std: "docker" "start" "-a" "63297c83fbde7bbdebfe28fd1967a22608e738e790caf55c413db1cb8781f8e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling teensy-loader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/payload.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     .map({ |v| Some(*v) })
[INFO] [stdout]    |                          ^^            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 85 -                     .map({ |v| Some(*v) })
[INFO] [stdout] 85 +                     .map(|v| Some(*v) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "63297c83fbde7bbdebfe28fd1967a22608e738e790caf55c413db1cb8781f8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63297c83fbde7bbdebfe28fd1967a22608e738e790caf55c413db1cb8781f8e6", kill_on_drop: false }`
[INFO] [stdout] 63297c83fbde7bbdebfe28fd1967a22608e738e790caf55c413db1cb8781f8e6