[INFO] fetching crate serial-num 0.10.0...
[INFO] testing serial-num-0.10.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate serial-num 0.10.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serial-num 0.10.0
[INFO] finished tweaking crates.io crate serial-num 0.10.0
[INFO] tweaked toml for crates.io crate serial-num 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-num 0.10.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 129 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v2.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding proptest v1.5.0 (available: v1.11.0)
[INFO] [stderr]       Adding rkyv v0.7.46 (available: v0.8.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ff88b0d4d28d05ba1731f3f334e120bcd68862a645621fa8a5693c5dbbba23
[INFO] running `Command { std: "docker" "start" "-a" "14ff88b0d4d28d05ba1731f3f334e120bcd68862a645621fa8a5693c5dbbba23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ff88b0d4d28d05ba1731f3f334e120bcd68862a645621fa8a5693c5dbbba23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ff88b0d4d28d05ba1731f3f334e120bcd68862a645621fa8a5693c5dbbba23", kill_on_drop: false }`
[INFO] [stdout] 14ff88b0d4d28d05ba1731f3f334e120bcd68862a645621fa8a5693c5dbbba23
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40860038f6e7c33d4b4e6e987316186b291c175e6ca35c59ddd6aa0621510d74
[INFO] running `Command { std: "docker" "start" "-a" "40860038f6e7c33d4b4e6e987316186b291c175e6ca35c59ddd6aa0621510d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-num v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "40860038f6e7c33d4b4e6e987316186b291c175e6ca35c59ddd6aa0621510d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40860038f6e7c33d4b4e6e987316186b291c175e6ca35c59ddd6aa0621510d74", kill_on_drop: false }`
[INFO] [stdout] 40860038f6e7c33d4b4e6e987316186b291c175e6ca35c59ddd6aa0621510d74
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e91b5ceac320360899b0474c4f7a31d0df6b2e0ea3d144cc010e929919a001
[INFO] running `Command { std: "docker" "start" "-a" "a7e91b5ceac320360899b0474c4f7a31d0df6b2e0ea3d144cc010e929919a001", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.5.0
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stderr]    Compiling proptest-arbitrary-interop v0.1.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.46
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling serial-num v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `tests`, create file "src/tests.rs" or "src/tests/mod.rs"
[INFO] [stdout]   = note: if there is a `mod tests` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `tests_readme`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | mod tests_readme;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `tests_readme`, create file "src/tests_readme.rs" or "src/tests_readme/mod.rs"
[INFO] [stdout]    = note: if there is a `mod tests_readme` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `postcard` is unused in crate `serial_num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use postcard as _;` to the crate root
[INFO] [stdout]   = note: requested on the command line with `-W unused-crate-dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `proptest` is unused in crate `serial_num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use proptest as _;` to the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `proptest_arbitrary_interop` is unused in crate `serial_num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use proptest_arbitrary_interop as _;` to the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `rkyv` is unused in crate `serial_num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use rkyv as _;` to the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `serde_json` is unused in crate `serial_num`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use serde_json as _;` to the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-num` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a7e91b5ceac320360899b0474c4f7a31d0df6b2e0ea3d144cc010e929919a001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e91b5ceac320360899b0474c4f7a31d0df6b2e0ea3d144cc010e929919a001", kill_on_drop: false }`
[INFO] [stdout] a7e91b5ceac320360899b0474c4f7a31d0df6b2e0ea3d144cc010e929919a001
