[INFO] fetching crate garbage 0.4.3...
[INFO] testing garbage-0.4.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate garbage 0.4.3 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate garbage 0.4.3
[INFO] finished tweaking crates.io crate garbage 0.4.3
[INFO] tweaked toml for crates.io crate garbage 0.4.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate garbage 0.4.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate garbage 0.4.3 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
[INFO] [stderr]   Downloaded garbage-fs v0.1.0
[INFO] [stderr]   Downloaded unicode-width v0.1.12
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded clap_complete v4.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d638d56faa72215622083bf66f8b653dfe73e56a56c8f25092326d920ca7604c
[INFO] running `Command { std: "docker" "start" "-a" "d638d56faa72215622083bf66f8b653dfe73e56a56c8f25092326d920ca7604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d638d56faa72215622083bf66f8b653dfe73e56a56c8f25092326d920ca7604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d638d56faa72215622083bf66f8b653dfe73e56a56c8f25092326d920ca7604c", kill_on_drop: false }`
[INFO] [stdout] d638d56faa72215622083bf66f8b653dfe73e56a56c8f25092326d920ca7604c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08673b322187782ba750cace7059373adfb418a530a1378d1d7cb3e5120abd35
[INFO] running `Command { std: "docker" "start" "-a" "08673b322187782ba750cace7059373adfb418a530a1378d1d7cb3e5120abd35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling garbage v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling garbage-fs v0.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling prettytable-rs v0.10.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling clap_complete v4.5.2
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling chrono-humanize v0.2.3
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/ops/empty.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn empty(options: EmptyOptions, fs: &impl Filesystem) -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/ops/empty.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |     .collect::<Result<_>>()?;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 81 -     .collect::<Result<_>>()?;
[INFO] [stdout] 81 +     .collect::<Result<()>>()?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mount_id`, `parent_id`, `major`, `minor`, and `root` are never read
[INFO] [stdout]   --> src/mounts.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MountPoint {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 16 |   pub mount_id: c_ulong,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 17 |   pub parent_id: c_ulong,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 18 |   pub major: c_ulong,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 19 |   pub minor: c_ulong,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 20 |   pub root: PathBuf,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MountPoint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mountinfo.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn unescape_octals(s: &OsStr) -> Cow<OsStr> {
[INFO] [stdout]     |                       ^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn unescape_octals(s: &OsStr) -> Cow<'_, OsStr> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `garbage` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "08673b322187782ba750cace7059373adfb418a530a1378d1d7cb3e5120abd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08673b322187782ba750cace7059373adfb418a530a1378d1d7cb3e5120abd35", kill_on_drop: false }`
[INFO] [stdout] 08673b322187782ba750cace7059373adfb418a530a1378d1d7cb3e5120abd35
