[INFO] fetching crate btfs 0.0.4...
[INFO] testing btfs-0.0.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate btfs 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate btfs 0.0.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfs 0.0.4
[INFO] finished tweaking crates.io crate btfs 0.0.4
[INFO] tweaked toml for crates.io crate btfs 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate btfs 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "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] ef3b71d1c5e5acaf24acb1482643f0212ccf9f6deccadf37c6db02b673bf305e
[INFO] running `Command { std: "docker" "start" "-a" "ef3b71d1c5e5acaf24acb1482643f0212ccf9f6deccadf37c6db02b673bf305e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3b71d1c5e5acaf24acb1482643f0212ccf9f6deccadf37c6db02b673bf305e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3b71d1c5e5acaf24acb1482643f0212ccf9f6deccadf37c6db02b673bf305e", kill_on_drop: false }`
[INFO] [stdout] ef3b71d1c5e5acaf24acb1482643f0212ccf9f6deccadf37c6db02b673bf305e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94919fc93f5818728dd283f817b932ba960ca63062103dd2ef968eaa2c487b30
[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" "94919fc93f5818728dd283f817b932ba960ca63062103dd2ef968eaa2c487b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling btfs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "94919fc93f5818728dd283f817b932ba960ca63062103dd2ef968eaa2c487b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94919fc93f5818728dd283f817b932ba960ca63062103dd2ef968eaa2c487b30", kill_on_drop: false }`
[INFO] [stdout] 94919fc93f5818728dd283f817b932ba960ca63062103dd2ef968eaa2c487b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] aa52007eb0c21bc6644f7f6d509dba05965e9a817574d3aeb591101dfad7a17f
[INFO] running `Command { std: "docker" "start" "-a" "aa52007eb0c21bc6644f7f6d509dba05965e9a817574d3aeb591101dfad7a17f", kill_on_drop: false }`
[INFO] [stderr]    Compiling btfs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "aa52007eb0c21bc6644f7f6d509dba05965e9a817574d3aeb591101dfad7a17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa52007eb0c21bc6644f7f6d509dba05965e9a817574d3aeb591101dfad7a17f", kill_on_drop: false }`
[INFO] [stdout] aa52007eb0c21bc6644f7f6d509dba05965e9a817574d3aeb591101dfad7a17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16d37895e2b174b878687f67efdc927897e0ecd4fbcc1f4c6f0f955956d11f25
[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" "16d37895e2b174b878687f67efdc927897e0ecd4fbcc1f4c6f0f955956d11f25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/btfs-75a2ee6108acb0ef
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuse-40795448660435a8
[INFO] [stdout] test test::memfs_update ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btfs
[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] [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" "16d37895e2b174b878687f67efdc927897e0ecd4fbcc1f4c6f0f955956d11f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d37895e2b174b878687f67efdc927897e0ecd4fbcc1f4c6f0f955956d11f25", kill_on_drop: false }`
[INFO] [stdout] 16d37895e2b174b878687f67efdc927897e0ecd4fbcc1f4c6f0f955956d11f25