[INFO] fetching crate vec-option 0.3.0...
[INFO] testing vec-option-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate vec-option 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate vec-option 0.3.0
[INFO] finished tweaking crates.io crate vec-option 0.3.0
[INFO] tweaked toml for crates.io crate vec-option 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec-option 0.3.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbb6bb38e2b9e2b94d2a471c84a68dbf18353375dfb472053be6777d549f74df
[INFO] running `Command { std: "docker" "start" "-a" "dbb6bb38e2b9e2b94d2a471c84a68dbf18353375dfb472053be6777d549f74df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbb6bb38e2b9e2b94d2a471c84a68dbf18353375dfb472053be6777d549f74df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb6bb38e2b9e2b94d2a471c84a68dbf18353375dfb472053be6777d549f74df", kill_on_drop: false }`
[INFO] [stdout] dbb6bb38e2b9e2b94d2a471c84a68dbf18353375dfb472053be6777d549f74df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 070818164f44521bde889e2c08e66a1fc7c0a638866ceec834353b11f635853d
[INFO] running `Command { std: "docker" "start" "-a" "070818164f44521bde889e2c08e66a1fc7c0a638866ceec834353b11f635853d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-option v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "070818164f44521bde889e2c08e66a1fc7c0a638866ceec834353b11f635853d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070818164f44521bde889e2c08e66a1fc7c0a638866ceec834353b11f635853d", kill_on_drop: false }`
[INFO] [stdout] 070818164f44521bde889e2c08e66a1fc7c0a638866ceec834353b11f635853d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95374250f06ff18e8f053fe80430650345accb3d3de924934c67b8676f7fbad7
[INFO] running `Command { std: "docker" "start" "-a" "95374250f06ff18e8f053fe80430650345accb3d3de924934c67b8676f7fbad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-option v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "95374250f06ff18e8f053fe80430650345accb3d3de924934c67b8676f7fbad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95374250f06ff18e8f053fe80430650345accb3d3de924934c67b8676f7fbad7", kill_on_drop: false }`
[INFO] [stdout] 95374250f06ff18e8f053fe80430650345accb3d3de924934c67b8676f7fbad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91588450ea1775ec009216dcd1b35dfb21c6a964e3d97453d48e8319d05c8714
[INFO] running `Command { std: "docker" "start" "-a" "91588450ea1775ec009216dcd1b35dfb21c6a964e3d97453d48e8319d05c8714", kill_on_drop: false }`
[INFO] [stderr] warning: function `unreachable_unchecked` is never used
[INFO] [stderr]    --> src/lib.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `UnwrapUnchecked` is never used
[INFO] [stderr]    --> src/lib.rs:172:7
[INFO] [stderr]     |
[INFO] [stderr] 172 | trait UnwrapUnchecked {
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `CellExt` is never used
[INFO] [stderr]   --> src/bit_vec.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | trait CellExt<T: ?Sized> {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-option` (lib) generated 3 warnings
[INFO] [stderr] warning: `vec-option` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_option-86f0dfa153623c94)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests vec_option
[INFO] [stdout] test bit_vec::bit_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 108) ... ignored
[INFO] [stdout] test src/lib.rs - (line 66) ... ignored
[INFO] [stdout] test src/lib.rs - (line 79) ... ignored
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91588450ea1775ec009216dcd1b35dfb21c6a964e3d97453d48e8319d05c8714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91588450ea1775ec009216dcd1b35dfb21c6a964e3d97453d48e8319d05c8714", kill_on_drop: false }`
[INFO] [stdout] 91588450ea1775ec009216dcd1b35dfb21c6a964e3d97453d48e8319d05c8714