[INFO] fetching crate serial_int 2.0.1...
[INFO] testing serial_int-2.0.1 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate serial_int 2.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serial_int 2.0.1
[INFO] finished tweaking crates.io crate serial_int 2.0.1
[INFO] tweaked toml for crates.io crate serial_int 2.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial_int 2.0.1 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] crate crates.io crate serial_int 2.0.1 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-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-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] 46e49347ae61bcf67b0d3bc358f503d894ea25f2938d4ca667cd45dbe2f784f5
[INFO] running `Command { std: "docker" "start" "-a" "46e49347ae61bcf67b0d3bc358f503d894ea25f2938d4ca667cd45dbe2f784f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e49347ae61bcf67b0d3bc358f503d894ea25f2938d4ca667cd45dbe2f784f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e49347ae61bcf67b0d3bc358f503d894ea25f2938d4ca667cd45dbe2f784f5", kill_on_drop: false }`
[INFO] [stdout] 46e49347ae61bcf67b0d3bc358f503d894ea25f2938d4ca667cd45dbe2f784f5
[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] 450eb990baafa51546be1a191139244159b6ce7d76e0c9623876e6230d881eac
[INFO] running `Command { std: "docker" "start" "-a" "450eb990baafa51546be1a191139244159b6ce7d76e0c9623876e6230d881eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_int v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "450eb990baafa51546be1a191139244159b6ce7d76e0c9623876e6230d881eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450eb990baafa51546be1a191139244159b6ce7d76e0c9623876e6230d881eac", kill_on_drop: false }`
[INFO] [stdout] 450eb990baafa51546be1a191139244159b6ce7d76e0c9623876e6230d881eac
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 992f964acb043efd2d79177de8d5de100fc05f2b728bbfa346dcaa03ebe989cc
[INFO] running `Command { std: "docker" "start" "-a" "992f964acb043efd2d79177de8d5de100fc05f2b728bbfa346dcaa03ebe989cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling serial_int v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "992f964acb043efd2d79177de8d5de100fc05f2b728bbfa346dcaa03ebe989cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992f964acb043efd2d79177de8d5de100fc05f2b728bbfa346dcaa03ebe989cc", kill_on_drop: false }`
[INFO] [stdout] 992f964acb043efd2d79177de8d5de100fc05f2b728bbfa346dcaa03ebe989cc
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eb5e1fae5d142a380c9432fb7de7e4e5808fb901df1b00e927ba6570962f0fd
[INFO] running `Command { std: "docker" "start" "-a" "6eb5e1fae5d142a380c9432fb7de7e4e5808fb901df1b00e927ba6570962f0fd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_int-c9f60b1a3b4223be)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::u128::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::u128::generator_recreates_end_value ... ok
[INFO] [stdout] test tests::u16::generator_recreates_end_value ... ok
[INFO] [stdout] test tests::u32::generator_recreates_end_value ... ok
[INFO] [stdout] test tests::u32::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::u64::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::u16::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::u64::generator_recreates_end_value ... ok
[INFO] [stdout] test tests::u8::generator_recreates_end_value ... ok
[INFO] [stdout] test tests::u8::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::usize::generator_creates_unique_values_until_end ... ok
[INFO] [stdout] test tests::usize::generator_recreates_end_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial_int
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... FAILED
[INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator<T>::with_init_value (line 45) ... ok
[INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator<T>::generate (line 59) ... ok
[INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator<T>::new (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator<T>::previous (line 82) ... ok
[INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator<T>::is_at_max (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 55) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `SerialGenerator<u8>: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     toml::from_str::<SerialGenerator<u8>>("value = 0\n").unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `SerialGenerator<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]              &'a Path
[INFO] [stdout]              &'a [u8]
[INFO] [stdout]              &'a str
[INFO] [stdout]              ()
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]              (T0, T1, T2, T3, T4)
[INFO] [stdout]            and 144 others
[INFO] [stdout] note: required by a bound in `toml::from_str`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/toml-0.5.11/src/de.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn from_str<'de, T>(s: &'de str) -> Result<T, Error>
[INFO] [stdout]    |        -------- required by a bound in this function
[INFO] [stdout] 74 | where
[INFO] [stdout] 75 |     T: de::Deserialize<'de>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `SerialGenerator<u8>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]   --> src/lib.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | let gen_string = toml::to_string(&gen).unwrap();
[INFO] [stdout]    |                  --------------- ^^^^ the trait `serde::ser::Serialize` is not implemented for `SerialGenerator<u8>`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]              &'a T
[INFO] [stdout]              &'a mut T
[INFO] [stdout]              ()
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]              (T0, T1, T2, T3, T4)
[INFO] [stdout]              (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]            and 132 others
[INFO] [stdout] note: required by a bound in `toml::to_string`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/toml-0.5.11/src/ser.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn to_string<T: ?Sized>(value: &T) -> Result<String, Error>
[INFO] [stdout]    |        --------- required by a bound in this function
[INFO] [stdout] 86 | where
[INFO] [stdout] 87 |     T: ser::Serialize,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout]     src/lib.rs - (line 55)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6eb5e1fae5d142a380c9432fb7de7e4e5808fb901df1b00e927ba6570962f0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb5e1fae5d142a380c9432fb7de7e4e5808fb901df1b00e927ba6570962f0fd", kill_on_drop: false }`
[INFO] [stdout] 6eb5e1fae5d142a380c9432fb7de7e4e5808fb901df1b00e927ba6570962f0fd
