[INFO] fetching crate serial_int 2.0.1... [INFO] testing serial_int-2.0.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate serial_int 2.0.1 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serial_int 2.0.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad9f8418be05bc8af93129f8bae7d03bb252b11a7311b2504aa12bc4c007ee94 [INFO] running `Command { std: "docker" "start" "-a" "ad9f8418be05bc8af93129f8bae7d03bb252b11a7311b2504aa12bc4c007ee94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad9f8418be05bc8af93129f8bae7d03bb252b11a7311b2504aa12bc4c007ee94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad9f8418be05bc8af93129f8bae7d03bb252b11a7311b2504aa12bc4c007ee94", kill_on_drop: false }` [INFO] [stdout] ad9f8418be05bc8af93129f8bae7d03bb252b11a7311b2504aa12bc4c007ee94 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 058f74d1bce6cbbf765e1f4b8081a6af8ff4d31d3d3a0f08c321c490996045e6 [INFO] running `Command { std: "docker" "start" "-a" "058f74d1bce6cbbf765e1f4b8081a6af8ff4d31d3d3a0f08c321c490996045e6", 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 0.13s [INFO] running `Command { std: "docker" "inspect" "058f74d1bce6cbbf765e1f4b8081a6af8ff4d31d3d3a0f08c321c490996045e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058f74d1bce6cbbf765e1f4b8081a6af8ff4d31d3d3a0f08c321c490996045e6", kill_on_drop: false }` [INFO] [stdout] 058f74d1bce6cbbf765e1f4b8081a6af8ff4d31d3d3a0f08c321c490996045e6 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b106cd82638c5dc7355edbdb059573468111625e36f88ef8988804e2a436f4ee [INFO] running `Command { std: "docker" "start" "-a" "b106cd82638c5dc7355edbdb059573468111625e36f88ef8988804e2a436f4ee", 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 4.74s [INFO] running `Command { std: "docker" "inspect" "b106cd82638c5dc7355edbdb059573468111625e36f88ef8988804e2a436f4ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b106cd82638c5dc7355edbdb059573468111625e36f88ef8988804e2a436f4ee", kill_on_drop: false }` [INFO] [stdout] b106cd82638c5dc7355edbdb059573468111625e36f88ef8988804e2a436f4ee [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 31698330973d3db1271d2d5a1ff399d4931b0f64639c6e5088b3532daee04c59 [INFO] running `Command { std: "docker" "start" "-a" "31698330973d3db1271d2d5a1ff399d4931b0f64639c6e5088b3532daee04c59", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [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_creates_unique_values_until_end ... 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::u64::generator_creates_unique_values_until_end ... ok [INFO] [stdout] test tests::u32::generator_creates_unique_values_until_end ... ok [INFO] [stdout] test tests::u8::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::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 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests serial_int [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/lib.rs - (line 39) ... FAILED [INFO] [stdout] test src/lib.rs - (line 55) ... FAILED [INFO] [stdout] test src/lib.rs - (line 26) ... ok [INFO] [stdout] test src/lib.rs - (line 70) ... ok [INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator::generate (line 59) ... ok [INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator::is_at_max (line 106) ... ok [INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator::new (line 26) ... ok [INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator::with_init_value (line 45) ... ok [INFO] [stdout] test src/serial_generator.rs - serial_generator::SerialGenerator::previous (line 82) ... ok [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 39) stdout ---- [INFO] [stdout] error[E0277]: the trait bound `SerialGenerator: 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` [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(value: &T) -> Result [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] ---- src/lib.rs - (line 55) stdout ---- [INFO] [stdout] error[E0277]: the trait bound `SerialGenerator: Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/lib.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 10 | toml::from_str::>("value = 0\n").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `SerialGenerator` [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 [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] [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 0.29s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "31698330973d3db1271d2d5a1ff399d4931b0f64639c6e5088b3532daee04c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31698330973d3db1271d2d5a1ff399d4931b0f64639c6e5088b3532daee04c59", kill_on_drop: false }` [INFO] [stdout] 31698330973d3db1271d2d5a1ff399d4931b0f64639c6e5088b3532daee04c59