[INFO] fetching crate qcow2-fuse 0.1.1...
[INFO] testing qcow2-fuse-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate qcow2-fuse 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qcow2-fuse 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded daemonize v0.2.3
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded linked-hash-map v0.0.9
[INFO] [stderr]   Downloaded fuse v0.2.8
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded lru-cache v0.0.7
[INFO] [stderr]   Downloaded qcow2 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 3707436aeafdb6752ddabcca3154190d277afda573442bd4b9cbafb392cdb40a
[INFO] running `Command { std: "docker" "start" "-a" "3707436aeafdb6752ddabcca3154190d277afda573442bd4b9cbafb392cdb40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3707436aeafdb6752ddabcca3154190d277afda573442bd4b9cbafb392cdb40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3707436aeafdb6752ddabcca3154190d277afda573442bd4b9cbafb392cdb40a", kill_on_drop: false }`
[INFO] [stdout] 3707436aeafdb6752ddabcca3154190d277afda573442bd4b9cbafb392cdb40a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 5cab51834a82702a9c1bcd57610942b6dafd472337a53af3dcedb582f53e2f36
[INFO] running `Command { std: "docker" "start" "-a" "5cab51834a82702a9c1bcd57610942b6dafd472337a53af3dcedb582f53e2f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.0.9
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.2.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling daemonize v0.2.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling lru-cache v0.0.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[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 9.56s
[INFO] running `Command { std: "docker" "inspect" "5cab51834a82702a9c1bcd57610942b6dafd472337a53af3dcedb582f53e2f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cab51834a82702a9c1bcd57610942b6dafd472337a53af3dcedb582f53e2f36", kill_on_drop: false }`
[INFO] [stdout] 5cab51834a82702a9c1bcd57610942b6dafd472337a53af3dcedb582f53e2f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f1851e37fd9e6bfd94b8840e305c910ba8a136fe9c8b15732e5d9f94d46dab
[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" "d9f1851e37fd9e6bfd94b8840e305c910ba8a136fe9c8b15732e5d9f94d46dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcow2-fuse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d9f1851e37fd9e6bfd94b8840e305c910ba8a136fe9c8b15732e5d9f94d46dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f1851e37fd9e6bfd94b8840e305c910ba8a136fe9c8b15732e5d9f94d46dab", kill_on_drop: false }`
[INFO] [stdout] d9f1851e37fd9e6bfd94b8840e305c910ba8a136fe9c8b15732e5d9f94d46dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 2be47e7a23baea31c528a9357ad7e055d02548f929c9f12ed39e0d701ac80e62
[INFO] running `Command { std: "docker" "start" "-a" "2be47e7a23baea31c528a9357ad7e055d02548f929c9f12ed39e0d701ac80e62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qcow2_fuse-20e4508367b7a620)
[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" "2be47e7a23baea31c528a9357ad7e055d02548f929c9f12ed39e0d701ac80e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be47e7a23baea31c528a9357ad7e055d02548f929c9f12ed39e0d701ac80e62", kill_on_drop: false }`
[INFO] [stdout] 2be47e7a23baea31c528a9357ad7e055d02548f929c9f12ed39e0d701ac80e62