[INFO] cloning repository https://github.com/longfangsong/dumbfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/longfangsong/dumbfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongfangsong%2Fdumbfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongfangsong%2Fdumbfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23cf2aae12b6a0f419eebdbe47d702304447654a
[INFO] testing longfangsong/dumbfs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongfangsong%2Fdumbfs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/longfangsong/dumbfs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/longfangsong/dumbfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 592d5cde0a65ea1b53ca8d7f1a064859a637a6824c8f89e0c94ef3b0debd6121
[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" "592d5cde0a65ea1b53ca8d7f1a064859a637a6824c8f89e0c94ef3b0debd6121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "592d5cde0a65ea1b53ca8d7f1a064859a637a6824c8f89e0c94ef3b0debd6121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592d5cde0a65ea1b53ca8d7f1a064859a637a6824c8f89e0c94ef3b0debd6121", kill_on_drop: false }`
[INFO] [stdout] 592d5cde0a65ea1b53ca8d7f1a064859a637a6824c8f89e0c94ef3b0debd6121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11fd984050c789cfad4093f55ca2ae9505ee00971c9c153c378a6ead5ea8ddab
[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" "11fd984050c789cfad4093f55ca2ae9505ee00971c9c153c378a6ead5ea8ddab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling fuse-abi v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fuse v0.4.0-dev (https://github.com/zargony/fuse-rs.git#42e29d96)
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling dumbfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UNIX_EPOCH`
[INFO] [stdout]  --> src/file/dump_file_attr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::file::dump_file_attr::FileAttrDump`
[INFO] [stdout]  --> src/fs/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::file::dump_file_attr::FileAttrDump;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EINVAL`, `ENOSYS`, `EPERM`
[INFO] [stdout]   --> src/fs/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{EINVAL, EIO, ENOENT, ENOSYS, EPERM};
[INFO] [stdout]    |            ^^^^^^               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]   --> src/fs/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::FileType`
[INFO] [stdout]   --> src/fs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::FileType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/fs/mod.rs:123:50
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn open(&mut self, _req: &Request, ino: u64, flags: u32, reply: ReplyOpen) {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first_child`
[INFO] [stdout]    --> src/file/mod.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn first_child(mut self, address: u64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_sibling`
[INFO] [stdout]    --> src/file/mod.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn next_sibling(mut self, address: u64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/file/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn size(mut self, size: u64) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `siblings`
[INFO] [stdout]    --> src/file/mod.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn siblings(&self) -> FileIterator {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.07s
[INFO] running `Command { std: "docker" "inspect" "11fd984050c789cfad4093f55ca2ae9505ee00971c9c153c378a6ead5ea8ddab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fd984050c789cfad4093f55ca2ae9505ee00971c9c153c378a6ead5ea8ddab", kill_on_drop: false }`
[INFO] [stdout] 11fd984050c789cfad4093f55ca2ae9505ee00971c9c153c378a6ead5ea8ddab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 908aee80ce0ca571f569d6321e952da33378223fd8293beeb0dcdd6ef1064d25
[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" "908aee80ce0ca571f569d6321e952da33378223fd8293beeb0dcdd6ef1064d25", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dumbfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::file::dump_file_attr::FileAttrDump`
[INFO] [stdout]  --> src/fs/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::file::dump_file_attr::FileAttrDump;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EINVAL`, `ENOSYS`, `EPERM`
[INFO] [stdout]   --> src/fs/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{EINVAL, EIO, ENOENT, ENOSYS, EPERM};
[INFO] [stdout]    |            ^^^^^^               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]   --> src/fs/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::FileType`
[INFO] [stdout]   --> src/fs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::FileType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/fs/mod.rs:123:50
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn open(&mut self, _req: &Request, ino: u64, flags: u32, reply: ReplyOpen) {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/file/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn size(mut self, size: u64) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `siblings`
[INFO] [stdout]    --> src/file/mod.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn siblings(&self) -> FileIterator {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "908aee80ce0ca571f569d6321e952da33378223fd8293beeb0dcdd6ef1064d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908aee80ce0ca571f569d6321e952da33378223fd8293beeb0dcdd6ef1064d25", kill_on_drop: false }`
[INFO] [stdout] 908aee80ce0ca571f569d6321e952da33378223fd8293beeb0dcdd6ef1064d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eec0faef1b3acc50d669908d47bb4e70c42aa213b29ba55fce1ff954603f186e
[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" "eec0faef1b3acc50d669908d47bb4e70c42aa213b29ba55fce1ff954603f186e", kill_on_drop: false }`
[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: associated function is never used: `size`
[INFO] [stderr]    --> src/file/mod.rs:144:12
[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: associated function is never used: `siblings`
[INFO] [stderr]    --> src/file/mod.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn siblings(&self) -> FileIterator {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dumbfs` (bin "dumbfs" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dumbfs-c7fad3a22db754ea)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test file::dump_file_attr::test_encode_decode ... ok
[INFO] [stdout] test disk::test_disk ... ok
[INFO] [stdout] test file::test_file ... ok
[INFO] [stdout] test fs::meta::test_meta ... ok
[INFO] [stdout] test util::test_align ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eec0faef1b3acc50d669908d47bb4e70c42aa213b29ba55fce1ff954603f186e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec0faef1b3acc50d669908d47bb4e70c42aa213b29ba55fce1ff954603f186e", kill_on_drop: false }`
[INFO] [stdout] eec0faef1b3acc50d669908d47bb4e70c42aa213b29ba55fce1ff954603f186e