[INFO] fetching crate qust-ds 0.1.6...
[INFO] testing qust-ds-0.1.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate qust-ds 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate qust-ds 0.1.6
[INFO] finished tweaking crates.io crate qust-ds 0.1.6
[INFO] tweaked toml for crates.io crate qust-ds 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qust-ds 0.1.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f0ba1f01c2d24a6d2cc4086c90f0ba51a71e09e515260251ae8d056930144b28
[INFO] running `Command { std: "docker" "start" "-a" "f0ba1f01c2d24a6d2cc4086c90f0ba51a71e09e515260251ae8d056930144b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ba1f01c2d24a6d2cc4086c90f0ba51a71e09e515260251ae8d056930144b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ba1f01c2d24a6d2cc4086c90f0ba51a71e09e515260251ae8d056930144b28", kill_on_drop: false }`
[INFO] [stdout] f0ba1f01c2d24a6d2cc4086c90f0ba51a71e09e515260251ae8d056930144b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f4393d1b62fd562838b64c0c88d38991603d2cf1d081bb5eb0f0e483dd68fcc
[INFO] running `Command { std: "docker" "start" "-a" "1f4393d1b62fd562838b64c0c88d38991603d2cf1d081bb5eb0f0e483dd68fcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling qust-ds v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `serialize_into` in crate `bincode`
[INFO] [stdout]    --> src/save.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |         bincode::serialize_into(&mut f, self).unwrap();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ not found in `bincode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `deserialize_from` in crate `bincode`
[INFO] [stdout]    --> src/save.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let res: Self = bincode::deserialize_from::<&mut BufReader<std::fs::File>, Self>(&mut f).unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^ not found in `bincode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `deserialize` in crate `bincode`
[INFO] [stdout]    --> src/save.rs:227:18
[INFO] [stdout]     |
[INFO] [stdout] 227 |         bincode::deserialize(data).unwrap()
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in `bincode`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_microseconds::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_microseconds_option::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_milliseconds::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_milliseconds_option::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]     = and 12 other candidates
[INFO] [stdout] help: if you import `deserialize`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 227 -         bincode::deserialize(data).unwrap()
[INFO] [stdout] 227 +         deserialize(data).unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `deserialize` in crate `bincode`
[INFO] [stdout]    --> src/save.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |     bincode::deserialize(data).unwrap()
[INFO] [stdout]     |              ^^^^^^^^^^^ not found in `bincode`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_microseconds::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_microseconds_option::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_milliseconds::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use chrono::naive::serde::ts_milliseconds_option::deserialize;
[INFO] [stdout]     |
[INFO] [stdout]     = and 12 other candidates
[INFO] [stdout] help: if you import `deserialize`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 239 -     bincode::deserialize(data).unwrap()
[INFO] [stdout] 239 +     deserialize(data).unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qust-ds` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1f4393d1b62fd562838b64c0c88d38991603d2cf1d081bb5eb0f0e483dd68fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4393d1b62fd562838b64c0c88d38991603d2cf1d081bb5eb0f0e483dd68fcc", kill_on_drop: false }`
[INFO] [stdout] 1f4393d1b62fd562838b64c0c88d38991603d2cf1d081bb5eb0f0e483dd68fcc