[INFO] fetching crate garbage 0.4.3...
[INFO] fixing garbage-0.4.3 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate garbage 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate garbage 0.4.3 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono-humanize v0.2.3
[INFO] [stderr]   Downloaded is-terminal v0.4.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded garbage-fs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e
[INFO] running `Command { std: "docker" "start" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e", 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" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", 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]     Checking memchr v2.7.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]    Compiling garbage v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking garbage-fs v0.1.0
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.71
[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]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking clap_complete v4.5.2
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking 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]    = 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]    = 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]    = 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] 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]    = 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]    = 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]    = 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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 test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e", kill_on_drop: false }`
[INFO] [stdout] 7e74ceb6e0ff8f5cc2d5db1a0fb6c94e95bf2c5dd6a498a4e0b9699a0f03f98e
