[INFO] fetching crate qcow2-fuse 0.1.1...
[INFO] testing qcow2-fuse-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate qcow2-fuse 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qcow2-fuse 0.1.1 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 crates.io crate qcow2-fuse 0.1.1
[INFO] finished tweaking crates.io crate qcow2-fuse 0.1.1
[INFO] tweaked toml for crates.io crate qcow2-fuse 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate qcow2-fuse 0.1.1 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6b6a0f286b26e0dc734c4c2f25b4db0ba502f45e5935852f7327189c32668e8f
[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" "6b6a0f286b26e0dc734c4c2f25b4db0ba502f45e5935852f7327189c32668e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6a0f286b26e0dc734c4c2f25b4db0ba502f45e5935852f7327189c32668e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6a0f286b26e0dc734c4c2f25b4db0ba502f45e5935852f7327189c32668e8f", kill_on_drop: false }`
[INFO] [stdout] 6b6a0f286b26e0dc734c4c2f25b4db0ba502f45e5935852f7327189c32668e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f723f530c30c747e3dbe2da37d0f09bc70c8f60b433ea12e6c11123592525e2e
[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" "f723f530c30c747e3dbe2da37d0f09bc70c8f60b433ea12e6c11123592525e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling fuse v0.2.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling daemonize v0.2.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling qcow2 v0.1.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling qcow2-fuse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `Command { std: "docker" "inspect" "f723f530c30c747e3dbe2da37d0f09bc70c8f60b433ea12e6c11123592525e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f723f530c30c747e3dbe2da37d0f09bc70c8f60b433ea12e6c11123592525e2e", kill_on_drop: false }`
[INFO] [stdout] f723f530c30c747e3dbe2da37d0f09bc70c8f60b433ea12e6c11123592525e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 62cf84e9e079c9e3336882ca403359cb35768ae09e956975f0374ef40c1292ee
[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" "62cf84e9e079c9e3336882ca403359cb35768ae09e956975f0374ef40c1292ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcow2-fuse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "62cf84e9e079c9e3336882ca403359cb35768ae09e956975f0374ef40c1292ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cf84e9e079c9e3336882ca403359cb35768ae09e956975f0374ef40c1292ee", kill_on_drop: false }`
[INFO] [stdout] 62cf84e9e079c9e3336882ca403359cb35768ae09e956975f0374ef40c1292ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] bef4e263110b83dcc7ab9ec11c4040a029ba05d8ed3c7819bc21864e5b5c1bcb
[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" "bef4e263110b83dcc7ab9ec11c4040a029ba05d8ed3c7819bc21864e5b5c1bcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qcow2_fuse-632e9276ed89bf8d
[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" "bef4e263110b83dcc7ab9ec11c4040a029ba05d8ed3c7819bc21864e5b5c1bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef4e263110b83dcc7ab9ec11c4040a029ba05d8ed3c7819bc21864e5b5c1bcb", kill_on_drop: false }`
[INFO] [stdout] bef4e263110b83dcc7ab9ec11c4040a029ba05d8ed3c7819bc21864e5b5c1bcb