[INFO] fetching crate devicemapper 0.30.0...
[INFO] checking devicemapper-0.30.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate devicemapper 0.30.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate devicemapper 0.30.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devicemapper 0.30.0
[INFO] finished tweaking crates.io crate devicemapper 0.30.0
[INFO] tweaked toml for crates.io crate devicemapper 0.30.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded loopdev v0.2.2
[INFO] [stderr]   Downloaded devicemapper-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2f301d2425818ed745ef26a749bfb8dc840e78b2acf3c61124d353ca71e98fe
[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" "a2f301d2425818ed745ef26a749bfb8dc840e78b2acf3c61124d353ca71e98fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f301d2425818ed745ef26a749bfb8dc840e78b2acf3c61124d353ca71e98fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f301d2425818ed745ef26a749bfb8dc840e78b2acf3c61124d353ca71e98fe", kill_on_drop: false }`
[INFO] [stdout] a2f301d2425818ed745ef26a749bfb8dc840e78b2acf3c61124d353ca71e98fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b488ba135cfd863d17311a299ac867f4334adbf52af95e4d6eb7689f8e05a5
[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" "e0b488ba135cfd863d17311a299ac867f4334adbf52af95e4d6eb7689f8e05a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking semver v1.0.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]    Compiling loopdev v0.2.2
[INFO] [stderr]    Compiling devicemapper-sys v0.1.2
[INFO] [stderr]    Compiling devicemapper v0.30.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `data_size`
[INFO] [stdout]   --> src/core/deviceinfo.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     data_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_start`
[INFO] [stdout]   --> src/core/deviceinfo.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     data_start: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target_count`
[INFO] [stdout]   --> src/core/deviceinfo.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     target_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_size`
[INFO] [stdout]   --> src/core/deviceinfo.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     data_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_start`
[INFO] [stdout]   --> src/core/deviceinfo.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     data_start: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target_count`
[INFO] [stdout]   --> src/core/deviceinfo.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     target_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "e0b488ba135cfd863d17311a299ac867f4334adbf52af95e4d6eb7689f8e05a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b488ba135cfd863d17311a299ac867f4334adbf52af95e4d6eb7689f8e05a5", kill_on_drop: false }`
[INFO] [stdout] e0b488ba135cfd863d17311a299ac867f4334adbf52af95e4d6eb7689f8e05a5