[INFO] cloning repository https://github.com/foreverbell/xv6fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foreverbell/xv6fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforeverbell%2Fxv6fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforeverbell%2Fxv6fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6949df5e3c794031f71d52b2b2b711d687b3ec52
[INFO] checking foreverbell/xv6fs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforeverbell%2Fxv6fs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foreverbell/xv6fs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foreverbell/xv6fs
[INFO] finished tweaking git repo https://github.com/foreverbell/xv6fs
[INFO] tweaked toml for git repo https://github.com/foreverbell/xv6fs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foreverbell/xv6fs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b70f1e209df5c0a3bf84db79c68d54e630f5f23cff91efc197ac04ad9ea0f2a1
[INFO] running `Command { std: "docker" "start" "-a" "b70f1e209df5c0a3bf84db79c68d54e630f5f23cff91efc197ac04ad9ea0f2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b70f1e209df5c0a3bf84db79c68d54e630f5f23cff91efc197ac04ad9ea0f2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70f1e209df5c0a3bf84db79c68d54e630f5f23cff91efc197ac04ad9ea0f2a1", kill_on_drop: false }`
[INFO] [stdout] b70f1e209df5c0a3bf84db79c68d54e630f5f23cff91efc197ac04ad9ea0f2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcf6cf411636dad4b382c936c63a74aed4588066d71bb7ed179c167bb773642
[INFO] running `Command { std: "docker" "start" "-a" "4bcf6cf411636dad4b382c936c63a74aed4588066d71bb7ed179c167bb773642", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking xv6fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buffer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / bitflags! {
[INFO] [stdout] 8  | |   struct BufFlags: u32 {
[INFO] [stdout] 9  | |     const VALID = 0b01;
[INFO] [stdout] 10 | |     const DIRTY = 0b10;
[INFO] [stdout] 11 | |   }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/bitmap.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[test]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnameable_test_items)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/disk.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static! {
[INFO] [stdout] 34 | |   pub static ref DISK: DiskService = DiskService {
[INFO] [stdout] 35 | |     channel: Mutex::new(None)
[INFO] [stdout] 36 | |   };
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/inode.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / lazy_static! {
[INFO] [stdout] 45 | |   pub static ref ICACHE: Cache = Cache::new(256);
[INFO] [stdout] 46 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/logging.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / lazy_static! {
[INFO] [stdout] 37 | |   pub static ref LOGGING: Logging = Logging::new();
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/buffer.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / lazy_static! {
[INFO] [stdout] 28 | |   pub static ref BCACHE: Cache = Cache::new(256);
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |   // Block 1 is immutable after file system is created, so we can safely
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |   );
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/buffer.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / lazy_static! {
[INFO] [stdout] 28 | |   pub static ref BCACHE: Cache = Cache::new(256);
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |   // Block 1 is immutable after file system is created, so we can safely
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |   );
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/disk.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static! {
[INFO] [stdout] 34 | |   pub static ref DISK: DiskService = DiskService {
[INFO] [stdout] 35 | |     channel: Mutex::new(None)
[INFO] [stdout] 36 | |   };
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/inode.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / lazy_static! {
[INFO] [stdout] 45 | |   pub static ref ICACHE: Cache = Cache::new(256);
[INFO] [stdout] 46 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/logging.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / lazy_static! {
[INFO] [stdout] 37 | |   pub static ref LOGGING: Logging = Logging::new();
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/buffer.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / lazy_static! {
[INFO] [stdout] 28 | |   pub static ref BCACHE: Cache = Cache::new(256);
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |   // Block 1 is immutable after file system is created, so we can safely
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |   );
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/buffer.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / lazy_static! {
[INFO] [stdout] 28 | |   pub static ref BCACHE: Cache = Cache::new(256);
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |   // Block 1 is immutable after file system is created, so we can safely
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |   );
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/bitmap.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "4bcf6cf411636dad4b382c936c63a74aed4588066d71bb7ed179c167bb773642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcf6cf411636dad4b382c936c63a74aed4588066d71bb7ed179c167bb773642", kill_on_drop: false }`
[INFO] [stdout] 4bcf6cf411636dad4b382c936c63a74aed4588066d71bb7ed179c167bb773642