[INFO] cloning repository https://github.com/azazel7/mini-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azazel7/mini-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazel7%2Fmini-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazel7%2Fmini-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43d8868a38366e07e68c7b4c1e5bb3f69ade829e
[INFO] checking azazel7/mini-fs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazel7%2Fmini-fs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/azazel7/mini-fs
[INFO] finished tweaking git repo https://github.com/azazel7/mini-fs
[INFO] tweaked toml for git repo https://github.com/azazel7/mini-fs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azazel7/mini-fs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/azazel7/mini-fs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7945c776542f50bbf406a45f89473f2eb86ba27f7c3cbf51bc2fd3738fc8ffa7
[INFO] running `Command { std: "docker" "start" "-a" "7945c776542f50bbf406a45f89473f2eb86ba27f7c3cbf51bc2fd3738fc8ffa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7945c776542f50bbf406a45f89473f2eb86ba27f7c3cbf51bc2fd3738fc8ffa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7945c776542f50bbf406a45f89473f2eb86ba27f7c3cbf51bc2fd3738fc8ffa7", kill_on_drop: false }`
[INFO] [stdout] 7945c776542f50bbf406a45f89473f2eb86ba27f7c3cbf51bc2fd3738fc8ffa7
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ebb149722ea16587852263700a121a4176fc3b4bf0841fa24ddaed27136dbe0
[INFO] running `Command { std: "docker" "start" "-a" "7ebb149722ea16587852263700a121a4176fc3b4bf0841fa24ddaed27136dbe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking endi v1.1.0
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]    Compiling fuser v0.14.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking async-executor v1.11.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-broadcast v0.7.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking blocking v1.6.0
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling zvariant_utils v2.0.0
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling zvariant_derive v4.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.34
[INFO] [stderr]    Compiling zbus_macros v4.2.2
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking polling v3.7.0
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling serde_with_macros v3.8.1
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking serde_with v3.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking zvariant v4.1.1
[INFO] [stderr]     Checking zbus_names v3.0.0
[INFO] [stderr]     Checking zbus v4.2.2
[INFO] [stderr]     Checking notify-rust v4.11.0
[INFO] [stderr]     Checking mini-fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `file_index` is never read
[INFO] [stdout]    --> src/container.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             file_index += DATA_CHUNK_SIZE as u64;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_index` is never read
[INFO] [stdout]    --> src/container.rs:682:13
[INFO] [stdout]     |
[INFO] [stdout] 682 |             file_index += DATA_CHUNK_SIZE as u64;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, OsString>
[INFO] [stdout]    --> src/container.rs:706:23
[INFO] [stdout]     |
[INFO] [stdout] 706 |             return Ok(OsString::from_str("/")?);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container.rs:706:23
[INFO] [stdout]     |
[INFO] [stdout] 706 |             return Ok(OsString::from_str("/")?);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_index` is never read
[INFO] [stdout]    --> src/container.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             file_index += DATA_CHUNK_SIZE as u64;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_index` is never read
[INFO] [stdout]    --> src/container.rs:682:13
[INFO] [stdout]     |
[INFO] [stdout] 682 |             file_index += DATA_CHUNK_SIZE as u64;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-fs` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, OsString>
[INFO] [stdout]    --> src/container.rs:706:23
[INFO] [stdout]     |
[INFO] [stdout] 706 |             return Ok(OsString::from_str("/")?);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container.rs:706:23
[INFO] [stdout]     |
[INFO] [stdout] 706 |             return Ok(OsString::from_str("/")?);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container/test.rs:571:27
[INFO] [stdout]     |
[INFO] [stdout] 571 |         assert_eq!(name1, OsString::from_str("loutre.txt").unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container/test.rs:573:27
[INFO] [stdout]     |
[INFO] [stdout] 573 |         assert_eq!(name2, OsString::from_str("canard.txt").unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container/test.rs:575:27
[INFO] [stdout]     |
[INFO] [stdout] 575 |         assert_eq!(name3, OsString::from_str("saumon.txt").unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/container/test.rs:577:30
[INFO] [stdout]     |
[INFO] [stdout] 577 |         assert_eq!(name_dir, OsString::from_str("ocean").unwrap());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-fs` (lib test) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7ebb149722ea16587852263700a121a4176fc3b4bf0841fa24ddaed27136dbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebb149722ea16587852263700a121a4176fc3b4bf0841fa24ddaed27136dbe0", kill_on_drop: false }`
[INFO] [stdout] 7ebb149722ea16587852263700a121a4176fc3b4bf0841fa24ddaed27136dbe0
