[INFO] cloning repository https://github.com/migmedia/zfs-autosnaprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/migmedia/zfs-autosnaprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigmedia%2Fzfs-autosnaprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigmedia%2Fzfs-autosnaprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4890f76a8d3396540d0e926ea3c8cd49b374b636
[INFO] testing migmedia/zfs-autosnaprs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigmedia%2Fzfs-autosnaprs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/migmedia/zfs-autosnaprs 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/migmedia/zfs-autosnaprs
[INFO] finished tweaking git repo https://github.com/migmedia/zfs-autosnaprs
[INFO] tweaked toml for git repo https://github.com/migmedia/zfs-autosnaprs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/migmedia/zfs-autosnaprs 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] 0999ea9f7518bf3cf3ec04ffd5a30a590eecc4403e5a4681f5e321c5774b9c1e
[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" "0999ea9f7518bf3cf3ec04ffd5a30a590eecc4403e5a4681f5e321c5774b9c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0999ea9f7518bf3cf3ec04ffd5a30a590eecc4403e5a4681f5e321c5774b9c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0999ea9f7518bf3cf3ec04ffd5a30a590eecc4403e5a4681f5e321c5774b9c1e", kill_on_drop: false }`
[INFO] [stdout] 0999ea9f7518bf3cf3ec04ffd5a30a590eecc4403e5a4681f5e321c5774b9c1e
[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] 3368d1d13230a0318f9b29065a58493c6f8bdf6a42d734b8a7fcfe30956f5c0b
[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" "3368d1d13230a0318f9b29065a58493c6f8bdf6a42d734b8a7fcfe30956f5c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling simplelog v0.7.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling zfs-autosnaprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.04s
[INFO] running `Command { std: "docker" "inspect" "3368d1d13230a0318f9b29065a58493c6f8bdf6a42d734b8a7fcfe30956f5c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3368d1d13230a0318f9b29065a58493c6f8bdf6a42d734b8a7fcfe30956f5c0b", kill_on_drop: false }`
[INFO] [stdout] 3368d1d13230a0318f9b29065a58493c6f8bdf6a42d734b8a7fcfe30956f5c0b
[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] 84eedf2fbd6ccfc842d0eaa7b745a5e6c50e57b51838166c68ffec095727152a
[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" "84eedf2fbd6ccfc842d0eaa7b745a5e6c50e57b51838166c68ffec095727152a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zfs-autosnaprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fs`
[INFO] [stdout]    --> src/zfs.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let (fs, size) = zfs.find_expendable_snapshots(&fs_orig, &fs_snaps);
[INFO] [stdout]     |          ^^ help: if this is intentional, prefix it with an underscore: `_fs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "84eedf2fbd6ccfc842d0eaa7b745a5e6c50e57b51838166c68ffec095727152a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84eedf2fbd6ccfc842d0eaa7b745a5e6c50e57b51838166c68ffec095727152a", kill_on_drop: false }`
[INFO] [stdout] 84eedf2fbd6ccfc842d0eaa7b745a5e6c50e57b51838166c68ffec095727152a
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 555a5bf1a3b96b8a8c9a52dc687833816bb874e59ff824ba17419a732a5c8544
[INFO] running `Command { std: "docker" "start" "-a" "555a5bf1a3b96b8a8c9a52dc687833816bb874e59ff824ba17419a732a5c8544", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `fs`
[INFO] [stderr]    --> src/zfs.rs:252:10
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let (fs, size) = zfs.find_expendable_snapshots(&fs_orig, &fs_snaps);
[INFO] [stderr]     |          ^^ help: if this is intentional, prefix it with an underscore: `_fs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zfs_autosnaprs-cc71f872bf80aed3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test zfs::test_str2fs ... ok
[INFO] [stdout] test zfs::test_zfs_find_expendable_snapshots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "555a5bf1a3b96b8a8c9a52dc687833816bb874e59ff824ba17419a732a5c8544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555a5bf1a3b96b8a8c9a52dc687833816bb874e59ff824ba17419a732a5c8544", kill_on_drop: false }`
[INFO] [stdout] 555a5bf1a3b96b8a8c9a52dc687833816bb874e59ff824ba17419a732a5c8544