[INFO] fetching crate ext4fs 0.1.0...
[INFO] testing ext4fs-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ext4fs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ext4fs 0.1.0
[INFO] finished tweaking crates.io crate ext4fs 0.1.0
[INFO] tweaked toml for crates.io crate ext4fs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ext4fs 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to highest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | homepage = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 | repository = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ext4fs` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055
[INFO] running `Command { std: "docker" "start" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | homepage = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 | repository = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ext4fs` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ext4fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | homepage = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 | repository = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ext4fs` (manifest) generated 1 warning
[INFO] [stderr]    Compiling ext4fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | homepage = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 | repository = "https://github.com/yybit/ext4fs-rs"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ext4fs` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/ext4fs/f522e193ec05b374/out/ext4fs-f522e193ec05b374)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test inode::tests::test_inode ... ok
[INFO] [stdout] test fs::tests::test_metadata ... FAILED
[INFO] [stdout] test fs::tests::test_open ... FAILED
[INFO] [stdout] test fs::tests::test_read ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test fs::tests::test_get_inode ... FAILED
[INFO] [stdout] test descriptor::tests::test_block_group_descriptor ... FAILED
[INFO] [stdout] test fs::tests::test_read_link ... FAILED
[INFO] [stdout] test superblock::tests::test_super_block ... FAILED
[INFO] [stdout] test fs::tests::test_read_dir ... FAILED
[INFO] [stdout] test utils::tests::test_compute_u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_metadata stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_metadata' (335) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c688f - <ext4fs[7f967bf282549447]::fs::tests::test_metadata::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_open stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_open' (336) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c753d - <ext4fs[7f967bf282549447]::fs::tests::test_open::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_read stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_read' (337) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c7984 - <ext4fs[7f967bf282549447]::fs::tests::test_read::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_get_inode stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_get_inode' (334) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c6f6f - <ext4fs[7f967bf282549447]::fs::tests::test_get_inode::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- descriptor::tests::test_block_group_descriptor stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'descriptor::tests::test_block_group_descriptor' (333) panicked at src/descriptor.rs:89:57:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929cb204 - <ext4fs[7f967bf282549447]::descriptor::tests::test_block_group_descriptor::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   19:     0x72f56cafc3d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_read_link stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_read_link' (339) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c7220 - <ext4fs[7f967bf282549447]::fs::tests::test_read_link::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- superblock::tests::test_super_block stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'superblock::tests::test_super_block' (341) panicked at src/superblock.rs:198:57:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c0f81 - <ext4fs[7f967bf282549447]::superblock::tests::test_super_block::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   19:     0x72f56cafc3d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fs::tests::test_read_dir stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fs::tests::test_read_dir' (338) panicked at src/fs.rs:208:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3992a455a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5f3992a59c5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5f3992a4998c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5f3992a21236 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5f3992a3d6b9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5f39929d99d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5f3992a3d872 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5f3992a212e2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5f3992a19ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5f3992a21eed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5f3992a5a38c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5f3992a5a162 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5f39929c52f6 - ext4fs[7f967bf282549447]::fs::tests::new_fs
[INFO] [stdout]   13:     0x5f39929c6c34 - <ext4fs[7f967bf282549447]::fs::tests::test_read_dir::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5f39929cce1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5f39929d9ff5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5f39929d38e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5f39929dd082 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5f3992a44dff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f56ca68dfa - <unknown>
[INFO] [stdout]   20:     0x72f56cafc3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     descriptor::tests::test_block_group_descriptor
[INFO] [stdout]     fs::tests::test_get_inode
[INFO] [stdout]     fs::tests::test_metadata
[INFO] [stdout]     fs::tests::test_open
[INFO] [stdout]     fs::tests::test_read
[INFO] [stdout]     fs::tests::test_read_dir
[INFO] [stdout]     fs::tests::test_read_link
[INFO] [stdout]     superblock::tests::test_super_block
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055", kill_on_drop: false }`
[INFO] [stdout] 43875f792364130fafef05194199dd6e8c4bc0f86ee11ec09f8c1a1f6fae1055
