[INFO] fetching crate mycobot 0.4.0...
[INFO] testing mycobot-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mycobot 0.4.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate mycobot 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mycobot 0.4.0
[INFO] finished tweaking crates.io crate mycobot 0.4.0
[INFO] tweaked toml for crates.io crate mycobot 0.4.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate mycobot 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03563295d0f08d18424c2302cc82925a1605b3b7bcef4dfdcc195abfa7d27ec6
[INFO] running `Command { std: "docker" "start" "-a" "03563295d0f08d18424c2302cc82925a1605b3b7bcef4dfdcc195abfa7d27ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03563295d0f08d18424c2302cc82925a1605b3b7bcef4dfdcc195abfa7d27ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03563295d0f08d18424c2302cc82925a1605b3b7bcef4dfdcc195abfa7d27ec6", kill_on_drop: false }`
[INFO] [stdout] 03563295d0f08d18424c2302cc82925a1605b3b7bcef4dfdcc195abfa7d27ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7698ed6596e65b56ff4e904218f6fdb7f66544f2639d63045932c14a2dde50b2
[INFO] running `Command { std: "docker" "start" "-a" "7698ed6596e65b56ff4e904218f6fdb7f66544f2639d63045932c14a2dde50b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling mycobot v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "7698ed6596e65b56ff4e904218f6fdb7f66544f2639d63045932c14a2dde50b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7698ed6596e65b56ff4e904218f6fdb7f66544f2639d63045932c14a2dde50b2", kill_on_drop: false }`
[INFO] [stdout] 7698ed6596e65b56ff4e904218f6fdb7f66544f2639d63045932c14a2dde50b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e096c63818f19b366ed8296efca0c5bcf15a173d2259e1a3e86c1966ef6f9c
[INFO] running `Command { std: "docker" "start" "-a" "48e096c63818f19b366ed8296efca0c5bcf15a173d2259e1a3e86c1966ef6f9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mycobot v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mycobot-862a344a0ce151bc)
[INFO] running `Command { std: "docker" "inspect" "48e096c63818f19b366ed8296efca0c5bcf15a173d2259e1a3e86c1966ef6f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e096c63818f19b366ed8296efca0c5bcf15a173d2259e1a3e86c1966ef6f9c", kill_on_drop: false }`
[INFO] [stdout] 48e096c63818f19b366ed8296efca0c5bcf15a173d2259e1a3e86c1966ef6f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a703f143c9be02105660366615b3ce99f064b168ebb3824196dd517a13b7dd13
[INFO] running `Command { std: "docker" "start" "-a" "a703f143c9be02105660366615b3ce99f064b168ebb3824196dd517a13b7dd13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mycobot-862a344a0ce151bc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mycobot
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a703f143c9be02105660366615b3ce99f064b168ebb3824196dd517a13b7dd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a703f143c9be02105660366615b3ce99f064b168ebb3824196dd517a13b7dd13", kill_on_drop: false }`
[INFO] [stdout] a703f143c9be02105660366615b3ce99f064b168ebb3824196dd517a13b7dd13