[INFO] cloning repository https://github.com/krishnakumar4a4/usb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/usb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 642385026df8888de0ac39a55b6ebdd07234f38a
[INFO] testing krishnakumar4a4/usb against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krishnakumar4a4/usb on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krishnakumar4a4/usb
[INFO] finished tweaking git repo https://github.com/krishnakumar4a4/usb
[INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/usb written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/krishnakumar4a4/usb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b79f5fef32f6e979034bc09436d4a380b349c6e18847432ffcbd1dfa9d7d4d2
[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" "6b79f5fef32f6e979034bc09436d4a380b349c6e18847432ffcbd1dfa9d7d4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b79f5fef32f6e979034bc09436d4a380b349c6e18847432ffcbd1dfa9d7d4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b79f5fef32f6e979034bc09436d4a380b349c6e18847432ffcbd1dfa9d7d4d2", kill_on_drop: false }`
[INFO] [stdout] 6b79f5fef32f6e979034bc09436d4a380b349c6e18847432ffcbd1dfa9d7d4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28be68387037943c8e48347b89cf39d7990239787b727b51e5e632920bfd5af8
[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" "28be68387037943c8e48347b89cf39d7990239787b727b51e5e632920bfd5af8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling libusb v0.3.0
[INFO] [stderr]    Compiling usb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "28be68387037943c8e48347b89cf39d7990239787b727b51e5e632920bfd5af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28be68387037943c8e48347b89cf39d7990239787b727b51e5e632920bfd5af8", kill_on_drop: false }`
[INFO] [stdout] 28be68387037943c8e48347b89cf39d7990239787b727b51e5e632920bfd5af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8eaff011bb2ead304d3ed6750d1fb848cf7a668db534f20557658c7f3123dbf
[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" "e8eaff011bb2ead304d3ed6750d1fb848cf7a668db534f20557658c7f3123dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e8eaff011bb2ead304d3ed6750d1fb848cf7a668db534f20557658c7f3123dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eaff011bb2ead304d3ed6750d1fb848cf7a668db534f20557658c7f3123dbf", kill_on_drop: false }`
[INFO] [stdout] e8eaff011bb2ead304d3ed6750d1fb848cf7a668db534f20557658c7f3123dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 1fb50e6aee28cd717947e9d702def55fe7533702c5f99c691e7e37d69cf50965
[INFO] running `Command { std: "docker" "start" "-a" "1fb50e6aee28cd717947e9d702def55fe7533702c5f99c691e7e37d69cf50965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usb-53d60f5cf276e282
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fb50e6aee28cd717947e9d702def55fe7533702c5f99c691e7e37d69cf50965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb50e6aee28cd717947e9d702def55fe7533702c5f99c691e7e37d69cf50965", kill_on_drop: false }`
[INFO] [stdout] 1fb50e6aee28cd717947e9d702def55fe7533702c5f99c691e7e37d69cf50965