[INFO] fetching crate vach 0.7.2...
[INFO] testing vach-0.7.2 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate vach 0.7.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vach 0.7.2
[INFO] finished tweaking crates.io crate vach 0.7.2
[INFO] tweaked toml for crates.io crate vach 0.7.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vach 0.7.2 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vach 0.7.2 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fdcb8da23963c07e8dc75a4a3617de726bc2e450cf6fca9882186532a9a5d6f
[INFO] running `Command { std: "docker" "start" "-a" "0fdcb8da23963c07e8dc75a4a3617de726bc2e450cf6fca9882186532a9a5d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fdcb8da23963c07e8dc75a4a3617de726bc2e450cf6fca9882186532a9a5d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdcb8da23963c07e8dc75a4a3617de726bc2e450cf6fca9882186532a9a5d6f", kill_on_drop: false }`
[INFO] [stdout] 0fdcb8da23963c07e8dc75a4a3617de726bc2e450cf6fca9882186532a9a5d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcbf2108301f7bee6cb192bcc09a2f70a62c6e327efab3357a0de4e71a248ad6
[INFO] running `Command { std: "docker" "start" "-a" "dcbf2108301f7bee6cb192bcc09a2f70a62c6e327efab3357a0de4e71a248ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling vach v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:65:43
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn process(&self, entry: &RegistryEntry, mut raw: Vec<u8>) -> InternalResult<(Vec<u8>, bool)> {
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut decrypted = None;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut verified = false;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/writer/leaf.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut entry: RegistryEntry = leaf.into();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/writer/mod.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut config = config.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Encryptor` is never used
[INFO] [stdout]   --> src/writer/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Encryptor = ();
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "dcbf2108301f7bee6cb192bcc09a2f70a62c6e327efab3357a0de4e71a248ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbf2108301f7bee6cb192bcc09a2f70a62c6e327efab3357a0de4e71a248ad6", kill_on_drop: false }`
[INFO] [stdout] dcbf2108301f7bee6cb192bcc09a2f70a62c6e327efab3357a0de4e71a248ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a36141c5f885d9faf648b365fd37636600b97de955398b10f2a4bf5fc948ca0c
[INFO] running `Command { std: "docker" "start" "-a" "a36141c5f885d9faf648b365fd37636600b97de955398b10f2a4bf5fc948ca0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:65:43
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn process(&self, entry: &RegistryEntry, mut raw: Vec<u8>) -> InternalResult<(Vec<u8>, bool)> {
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut decrypted = None;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut verified = false;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/writer/leaf.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut entry: RegistryEntry = leaf.into();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/writer/mod.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut config = config.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Encryptor` is never used
[INFO] [stdout]   --> src/writer/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Encryptor = ();
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling vach v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:65:43
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn process(&self, entry: &RegistryEntry, mut raw: Vec<u8>) -> InternalResult<(Vec<u8>, bool)> {
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut decrypted = None;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/loader/archive.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut verified = false;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/writer/leaf.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut entry: RegistryEntry = leaf.into();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/writer/mod.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut config = config.clone();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIGNED_TARGET` is never used
[INFO] [stdout]   --> src/tests.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SIGNED_TARGET: &str = "test_data/signed.vach";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENCRYPTED_TARGET` is never used
[INFO] [stdout]   --> src/tests.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ENCRYPTED_TARGET: &str = "test_data/encrypted.vach";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaves_from_dir` is never used
[INFO] [stdout]   --> src/tests.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn leaves_from_dir<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Encryptor` is never used
[INFO] [stdout]   --> src/writer/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Encryptor = ();
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "a36141c5f885d9faf648b365fd37636600b97de955398b10f2a4bf5fc948ca0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36141c5f885d9faf648b365fd37636600b97de955398b10f2a4bf5fc948ca0c", kill_on_drop: false }`
[INFO] [stdout] a36141c5f885d9faf648b365fd37636600b97de955398b10f2a4bf5fc948ca0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b479168aeb7f48d45c4b8cb38baa5674740f706336c0ab91c60814a68d8484a7
[INFO] running `Command { std: "docker" "start" "-a" "b479168aeb7f48d45c4b8cb38baa5674740f706336c0ab91c60814a68d8484a7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/loader/archive.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn process(&self, entry: &RegistryEntry, mut raw: Vec<u8>) -> InternalResult<(Vec<u8>, bool)> {
[INFO] [stderr]    |                                              ----^^^
[INFO] [stderr]    |                                              |
[INFO] [stderr]    |                                              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/loader/archive.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut decrypted = None;
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/loader/archive.rs:70:7
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut verified = false;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/writer/leaf.rs:171:6
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut entry: RegistryEntry = leaf.into();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/writer/mod.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut config = config.clone();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Encryptor` is never used
[INFO] [stderr]   --> src/writer/mod.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Encryptor = ();
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vach` (lib) generated 6 warnings (run `cargo fix --lib -p vach` to apply 5 suggestions)
[INFO] [stderr] warning: constant `SIGNED_TARGET` is never used
[INFO] [stderr]   --> src/tests.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SIGNED_TARGET: &str = "test_data/signed.vach";
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ENCRYPTED_TARGET` is never used
[INFO] [stderr]   --> src/tests.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const ENCRYPTED_TARGET: &str = "test_data/encrypted.vach";
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `leaves_from_dir` is never used
[INFO] [stderr]   --> src/tests.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn leaves_from_dir<'a>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Encryptor` is never used
[INFO] [stderr]   --> src/writer/mod.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Encryptor = ();
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vach` (lib test) generated 9 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vach-0de72882e698463b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::flags_set_intersects ... ok
[INFO] [stdout] test tests::flag_restricted_access ... ok
[INFO] [stdout] test tests::custom_bitflags ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::custom_bitflags stdout ----
[INFO] [stdout] Error: IOError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::custom_bitflags
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b479168aeb7f48d45c4b8cb38baa5674740f706336c0ab91c60814a68d8484a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b479168aeb7f48d45c4b8cb38baa5674740f706336c0ab91c60814a68d8484a7", kill_on_drop: false }`
[INFO] [stdout] b479168aeb7f48d45c4b8cb38baa5674740f706336c0ab91c60814a68d8484a7
