[INFO] fetching crate sludge-ar-with-ranlib 0.8.0...
[INFO] testing sludge-ar-with-ranlib-0.8.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sludge-ar-with-ranlib 0.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sludge-ar-with-ranlib 0.8.0
[INFO] finished tweaking crates.io crate sludge-ar-with-ranlib 0.8.0
[INFO] tweaked toml for crates.io crate sludge-ar-with-ranlib 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sludge-ar-with-ranlib 0.8.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sludge-ar-with-ranlib 0.8.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c752ac7d54d3bfa79e2a7d188464cc2eee385fd4fed7e77bda6848403ace86
[INFO] running `Command { std: "docker" "start" "-a" "14c752ac7d54d3bfa79e2a7d188464cc2eee385fd4fed7e77bda6848403ace86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c752ac7d54d3bfa79e2a7d188464cc2eee385fd4fed7e77bda6848403ace86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c752ac7d54d3bfa79e2a7d188464cc2eee385fd4fed7e77bda6848403ace86", kill_on_drop: false }`
[INFO] [stdout] 14c752ac7d54d3bfa79e2a7d188464cc2eee385fd4fed7e77bda6848403ace86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7d321c020c82dd83d2f7e3b6e9406206b029e675e7f961975d0239318fbfdbd
[INFO] running `Command { std: "docker" "start" "-a" "c7d321c020c82dd83d2f7e3b6e9406206b029e675e7f961975d0239318fbfdbd", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling sludge-ar-with-ranlib v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<R>>> {
[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] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<'_, R>>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:492:26
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<R>> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<'_, R>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:622:20
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<R>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<'_, R>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c7d321c020c82dd83d2f7e3b6e9406206b029e675e7f961975d0239318fbfdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d321c020c82dd83d2f7e3b6e9406206b029e675e7f961975d0239318fbfdbd", kill_on_drop: false }`
[INFO] [stdout] c7d321c020c82dd83d2f7e3b6e9406206b029e675e7f961975d0239318fbfdbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6da88bdbe2944803fdb276f5d45b697af81cd362da4441ae9132cb0218ffc243
[INFO] running `Command { std: "docker" "start" "-a" "6da88bdbe2944803fdb276f5d45b697af81cd362da4441ae9132cb0218ffc243", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<R>>> {
[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] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<'_, R>>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:492:26
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<R>> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<'_, R>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sludge-ar-with-ranlib v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:622:20
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<R>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<'_, R>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `ar`
[INFO] [stdout]   --> examples/create.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate ar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sludge-ar-with-ranlib` (example "create") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `ar`
[INFO] [stdout]  --> examples/symbols.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate ar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `ar`
[INFO] [stdout]   --> examples/extract.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate ar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sludge-ar-with-ranlib` (example "symbols") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sludge-ar-with-ranlib` (example "extract") due to 1 previous error
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<R>>> {
[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] 324 |     pub fn next_entry(&mut self) -> Option<Result<Entry<'_, R>>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:492:26
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<R>> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub fn jump_to_entry(&mut self, index: usize) -> io::Result<Entry<'_, R>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:622:20
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<R>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn symbols(&mut self) -> io::Result<Symbols<'_, R>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6da88bdbe2944803fdb276f5d45b697af81cd362da4441ae9132cb0218ffc243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da88bdbe2944803fdb276f5d45b697af81cd362da4441ae9132cb0218ffc243", kill_on_drop: false }`
[INFO] [stdout] 6da88bdbe2944803fdb276f5d45b697af81cd362da4441ae9132cb0218ffc243
