[INFO] updating cached repository https://github.com/foreverbell/xv6fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6949df5e3c794031f71d52b2b2b711d687b3ec52
[INFO] checking foreverbell/xv6fs against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforeverbell%2Fxv6fs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foreverbell/xv6fs on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91ed96643cc2c0ba584a882d09e6fab4e9739b6ba2898c9c830206565ea24f87
[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" "91ed96643cc2c0ba584a882d09e6fab4e9739b6ba2898c9c830206565ea24f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91ed96643cc2c0ba584a882d09e6fab4e9739b6ba2898c9c830206565ea24f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ed96643cc2c0ba584a882d09e6fab4e9739b6ba2898c9c830206565ea24f87", kill_on_drop: false }`
[INFO] [stdout] 91ed96643cc2c0ba584a882d09e6fab4e9739b6ba2898c9c830206565ea24f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 639c37e0f97614c10b8041f60c469a0a83d6645d7c0793f1f71a99fed0b6ba01
[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" "639c37e0f97614c10b8041f60c469a0a83d6645d7c0793f1f71a99fed0b6ba01", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking xv6fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (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: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 a macro (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: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (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 is never used: `test`
[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: 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 an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "639c37e0f97614c10b8041f60c469a0a83d6645d7c0793f1f71a99fed0b6ba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639c37e0f97614c10b8041f60c469a0a83d6645d7c0793f1f71a99fed0b6ba01", kill_on_drop: false }`
[INFO] [stdout] 639c37e0f97614c10b8041f60c469a0a83d6645d7c0793f1f71a99fed0b6ba01