[INFO] updating cached repository https://github.com/longfangsong/dumbfs
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23cf2aae12b6a0f419eebdbe47d702304447654a
[INFO] checking longfangsong/dumbfs against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongfangsong%2Fdumbfs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/longfangsong/dumbfs on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/longfangsong/dumbfs
[INFO] finished tweaking git repo https://github.com/longfangsong/dumbfs
[INFO] tweaked toml for git repo https://github.com/longfangsong/dumbfs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/longfangsong/dumbfs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a94f024fac161bd1be0a55fa232ba90456c6b77aa2440abfcaadb4c10bb82be
[INFO] running `"docker" "start" "-a" "8a94f024fac161bd1be0a55fa232ba90456c6b77aa2440abfcaadb4c10bb82be"`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking fuse-abi v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]    Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking fuse v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking dumbfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `UNIX_EPOCH`
[INFO] [stderr]  --> src/file/dump_file_attr.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::file::dump_file_attr::FileAttrDump`
[INFO] [stderr]  --> src/fs/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::file::dump_file_attr::FileAttrDump;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EINVAL`, `ENOSYS`, `EPERM`
[INFO] [stderr]   --> src/fs/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use libc::{EINVAL, EIO, ENOENT, ENOSYS, EPERM};
[INFO] [stderr]    |            ^^^^^^               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OsString`
[INFO] [stderr]   --> src/fs/mod.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{OsStr, OsString};
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::FileType`
[INFO] [stderr]   --> src/fs/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::FileType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::file::dump_file_attr::FileAttrDump`
[INFO] [stderr]  --> src/fs/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::file::dump_file_attr::FileAttrDump;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EINVAL`, `ENOSYS`, `EPERM`
[INFO] [stderr]   --> src/fs/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use libc::{EINVAL, EIO, ENOENT, ENOSYS, EPERM};
[INFO] [stderr]    |            ^^^^^^               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OsString`
[INFO] [stderr]   --> src/fs/mod.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{OsStr, OsString};
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::FileType`
[INFO] [stderr]   --> src/fs/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::FileType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/fs/mod.rs:123:50
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn open(&mut self, _req: &Request, ino: u64, flags: u32, reply: ReplyOpen) {
[INFO] [stderr]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `first_child`
[INFO] [stderr]    --> src/file/mod.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn first_child(mut self, address: u64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_sibling`
[INFO] [stderr]    --> src/file/mod.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn next_sibling(mut self, address: u64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]    --> src/file/mod.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn size(mut self, size: u64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `siblings`
[INFO] [stderr]    --> src/file/mod.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn siblings(&self) -> FileIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/fs/mod.rs:123:50
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn open(&mut self, _req: &Request, ino: u64, flags: u32, reply: ReplyOpen) {
[INFO] [stderr]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]    --> src/file/mod.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn size(mut self, size: u64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `siblings`
[INFO] [stderr]    --> src/file/mod.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn siblings(&self) -> FileIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.46s
[INFO] running `"docker" "inspect" "8a94f024fac161bd1be0a55fa232ba90456c6b77aa2440abfcaadb4c10bb82be"`
[INFO] running `"docker" "rm" "-f" "8a94f024fac161bd1be0a55fa232ba90456c6b77aa2440abfcaadb4c10bb82be"`
[INFO] [stdout] 8a94f024fac161bd1be0a55fa232ba90456c6b77aa2440abfcaadb4c10bb82be