[INFO] fetching crate false-bottom 0.3.4...
[INFO] testing false-bottom-0.3.4 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate false-bottom 0.3.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate false-bottom 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate false-bottom 0.3.4
[INFO] tweaked toml for crates.io crate false-bottom 0.3.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate false-bottom 0.3.4 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate false-bottom 0.3.4 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27bcece52ebe390348d52f62cd19c95120a105edfa649c771809f6f9e283036f
[INFO] running `Command { std: "docker" "start" "-a" "27bcece52ebe390348d52f62cd19c95120a105edfa649c771809f6f9e283036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27bcece52ebe390348d52f62cd19c95120a105edfa649c771809f6f9e283036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bcece52ebe390348d52f62cd19c95120a105edfa649c771809f6f9e283036f", kill_on_drop: false }`
[INFO] [stdout] 27bcece52ebe390348d52f62cd19c95120a105edfa649c771809f6f9e283036f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e943312b2b55904ff00dc08c4852102ada5474bef19d6254d33420e9cd3293af
[INFO] running `Command { std: "docker" "start" "-a" "e943312b2b55904ff00dc08c4852102ada5474bef19d6254d33420e9cd3293af", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling false-bottom v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "e943312b2b55904ff00dc08c4852102ada5474bef19d6254d33420e9cd3293af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e943312b2b55904ff00dc08c4852102ada5474bef19d6254d33420e9cd3293af", kill_on_drop: false }`
[INFO] [stdout] e943312b2b55904ff00dc08c4852102ada5474bef19d6254d33420e9cd3293af
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97bd829a6b97e62f078beb731e50d25a9856f88f4651215c3b26d7d563fe4c5b
[INFO] running `Command { std: "docker" "start" "-a" "97bd829a6b97e62f078beb731e50d25a9856f88f4651215c3b26d7d563fe4c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling false-bottom v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 45.91s
[INFO] running `Command { std: "docker" "inspect" "97bd829a6b97e62f078beb731e50d25a9856f88f4651215c3b26d7d563fe4c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bd829a6b97e62f078beb731e50d25a9856f88f4651215c3b26d7d563fe4c5b", kill_on_drop: false }`
[INFO] [stdout] 97bd829a6b97e62f078beb731e50d25a9856f88f4651215c3b26d7d563fe4c5b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5af5e9e3d9cf7a0a1d349937ede83f2dfe5dddc82f77b0c8f28f3f3d52af1f78
[INFO] running `Command { std: "docker" "start" "-a" "5af5e9e3d9cf7a0a1d349937ede83f2dfe5dddc82f77b0c8f28f3f3d52af1f78", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/false_bottom-2abda956f472dea1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fbobj::test::test_block_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests false_bottom
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 62) stdout ----
[INFO] [stdout] error[E0599]: no method named `to_base64` found for struct `FbObj<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:68:46
[INFO] [stdout]    |
[INFO] [stdout] 68 | let (ciphertext_base64, keybase_base64) = fb.to_base64();
[INFO] [stdout]    |                                              ^^^^^^^^^ method not found in `FbObj<crypto_bigint::uint::Uint<2>>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_base64` found for struct `FbKey` in the current scope
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 | let key_base64 = key.to_base64();
[INFO] [stdout]    |                      ^^^^^^^^^ method not found in `FbKey`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_base64` found for struct `FbObj<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 | let fb_imported = Fb128::from_base64(&ciphertext_base64, &keybase_base64)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^ function or associated item not found in `FbObj<crypto_bigint::uint::Uint<2>>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_base64` found for struct `FbKey` in the current scope
[INFO] [stdout]   --> src/lib.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 | let key_imported = FbKey::from_base64(&key_base64)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^ function or associated item not found in `FbKey`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `FbKey`, consider using `FbKey::from_bytes` which returns `Result<FbKey, FbError>`
[INFO] [stdout]   --> src/fbkey.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_bytes(fbkey: &[u8]) -> Result<FbKey, FbError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 62)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5af5e9e3d9cf7a0a1d349937ede83f2dfe5dddc82f77b0c8f28f3f3d52af1f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af5e9e3d9cf7a0a1d349937ede83f2dfe5dddc82f77b0c8f28f3f3d52af1f78", kill_on_drop: false }`
[INFO] [stdout] 5af5e9e3d9cf7a0a1d349937ede83f2dfe5dddc82f77b0c8f28f3f3d52af1f78
