[INFO] fetching crate linux_mount_options 0.1.0...
[INFO] testing linux_mount_options-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate linux_mount_options 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate linux_mount_options 0.1.0 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 linux_mount_options 0.1.0
[INFO] finished tweaking crates.io crate linux_mount_options 0.1.0
[INFO] tweaked toml for crates.io crate linux_mount_options 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate linux_mount_options 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 4615a110c636462960f3ee05cc8e2f46ab073633bf302d1218212bcd03f57bf1
[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" "4615a110c636462960f3ee05cc8e2f46ab073633bf302d1218212bcd03f57bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4615a110c636462960f3ee05cc8e2f46ab073633bf302d1218212bcd03f57bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4615a110c636462960f3ee05cc8e2f46ab073633bf302d1218212bcd03f57bf1", kill_on_drop: false }`
[INFO] [stdout] 4615a110c636462960f3ee05cc8e2f46ab073633bf302d1218212bcd03f57bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 53a2673bd7995a25a59ec266aefe4f9bd35b1bdf4df79ee2cef16573ea6a5566
[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" "53a2673bd7995a25a59ec266aefe4f9bd35b1bdf4df79ee2cef16573ea6a5566", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux_mount_options v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "53a2673bd7995a25a59ec266aefe4f9bd35b1bdf4df79ee2cef16573ea6a5566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a2673bd7995a25a59ec266aefe4f9bd35b1bdf4df79ee2cef16573ea6a5566", kill_on_drop: false }`
[INFO] [stdout] 53a2673bd7995a25a59ec266aefe4f9bd35b1bdf4df79ee2cef16573ea6a5566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 2cffdd293e1b59a60639fadafb3f1076da2edb208a878f3f57828bed5643ef40
[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" "2cffdd293e1b59a60639fadafb3f1076da2edb208a878f3f57828bed5643ef40", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux_mount_options v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "2cffdd293e1b59a60639fadafb3f1076da2edb208a878f3f57828bed5643ef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cffdd293e1b59a60639fadafb3f1076da2edb208a878f3f57828bed5643ef40", kill_on_drop: false }`
[INFO] [stdout] 2cffdd293e1b59a60639fadafb3f1076da2edb208a878f3f57828bed5643ef40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d0cdd849cab29cdb491c67b16bd4f1c582df6f7d8cda5eb249ea9a0e9188cee7
[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" "d0cdd849cab29cdb491c67b16bd4f1c582df6f7d8cda5eb249ea9a0e9188cee7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linux_mount_options-0bb19fbeb4d469c4
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::path_ref ... ok
[INFO] [stdout] test tests::path ... ok
[INFO] [stderr]    Doc-tests linux_mount_options
[INFO] [stdout] test tests::root ... ok
[INFO] [stdout] test tests::path_buf_ref ... ok
[INFO] [stdout] test tests::str ... ok
[INFO] [stdout] test tests::string ... ok
[INFO] [stdout] test tests::path_buf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "d0cdd849cab29cdb491c67b16bd4f1c582df6f7d8cda5eb249ea9a0e9188cee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cdd849cab29cdb491c67b16bd4f1c582df6f7d8cda5eb249ea9a0e9188cee7", kill_on_drop: false }`
[INFO] [stdout] d0cdd849cab29cdb491c67b16bd4f1c582df6f7d8cda5eb249ea9a0e9188cee7