[INFO] fetching crate periodic-table-rs 0.1.2...
[INFO] testing periodic-table-rs-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate periodic-table-rs 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate periodic-table-rs 0.1.2
[INFO] finished tweaking crates.io crate periodic-table-rs 0.1.2
[INFO] tweaked toml for crates.io crate periodic-table-rs 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate periodic-table-rs 0.1.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82dca9e70ac689e3e297ad715fd5c3835f803fa52ed472fd57149f406cb76990
[INFO] running `Command { std: "docker" "start" "-a" "82dca9e70ac689e3e297ad715fd5c3835f803fa52ed472fd57149f406cb76990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82dca9e70ac689e3e297ad715fd5c3835f803fa52ed472fd57149f406cb76990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dca9e70ac689e3e297ad715fd5c3835f803fa52ed472fd57149f406cb76990", kill_on_drop: false }`
[INFO] [stdout] 82dca9e70ac689e3e297ad715fd5c3835f803fa52ed472fd57149f406cb76990
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75bbc8d2079c41ab095401eeb129082ad44d585119a3ff558756ae92e2813ae
[INFO] running `Command { std: "docker" "start" "-a" "e75bbc8d2079c41ab095401eeb129082ad44d585119a3ff558756ae92e2813ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling periodic-table-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/table.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout]   |                                      ^                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout] 6 + pub const PERIODIC_TABLE: [&Element; ELEMENT_COUNT as usize ] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "e75bbc8d2079c41ab095401eeb129082ad44d585119a3ff558756ae92e2813ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75bbc8d2079c41ab095401eeb129082ad44d585119a3ff558756ae92e2813ae", kill_on_drop: false }`
[INFO] [stdout] e75bbc8d2079c41ab095401eeb129082ad44d585119a3ff558756ae92e2813ae
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e582926260f1206e3bed1bc1ae013f3614ff044c173b550b6b5b7f73cf98e32
[INFO] running `Command { std: "docker" "start" "-a" "9e582926260f1206e3bed1bc1ae013f3614ff044c173b550b6b5b7f73cf98e32", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/table.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout]   |                                      ^                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout] 6 + pub const PERIODIC_TABLE: [&Element; ELEMENT_COUNT as usize ] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling periodic-table-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/table.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout]   |                                      ^                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stdout] 6 + pub const PERIODIC_TABLE: [&Element; ELEMENT_COUNT as usize ] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9e582926260f1206e3bed1bc1ae013f3614ff044c173b550b6b5b7f73cf98e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e582926260f1206e3bed1bc1ae013f3614ff044c173b550b6b5b7f73cf98e32", kill_on_drop: false }`
[INFO] [stdout] 9e582926260f1206e3bed1bc1ae013f3614ff044c173b550b6b5b7f73cf98e32
[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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53ba22b24dac613ffef6a65a8bbfa8019ebe2883e1c1a93660172e7adf388c6f
[INFO] running `Command { std: "docker" "start" "-a" "53ba22b24dac613ffef6a65a8bbfa8019ebe2883e1c1a93660172e7adf388c6f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]  --> src/table.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stderr]   |                                      ^                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stderr] 6 + pub const PERIODIC_TABLE: [&Element; ELEMENT_COUNT as usize ] = [
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `periodic-table-rs` (lib) generated 1 warning (run `cargo fix --lib -p periodic-table-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `periodic-table-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/periodic_table_rs-47c45e034337ad36)
[INFO] [stderr]    Doc-tests periodic_table_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]  --> src/table.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stderr]   |                                      ^                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub const PERIODIC_TABLE: [&Element; (ELEMENT_COUNT as usize)] = [
[INFO] [stderr] 6 + pub const PERIODIC_TABLE: [&Element; ELEMENT_COUNT as usize ] = [
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error[E0277]: `Option<f64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}", HYDROGEN.boiling_point);
[INFO] [stdout]    |               --   ^^^^^^^^^^^^^^^^^^^^^^ `Option<f64>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<f64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<f64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     println!("{}", HYDROGEN.density);
[INFO] [stdout]    |               --   ^^^^^^^^^^^^^^^^ `Option<f64>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<f64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 21) stdout ----
[INFO] [stdout] error[E0277]: `Option<f64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     println!("{}", HYDROGEN.boiling_point);
[INFO] [stdout]    |               --   ^^^^^^^^^^^^^^^^^^^^^^ `Option<f64>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<f64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<f64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     println!("{}", HYDROGEN.density);
[INFO] [stdout]    |               --   ^^^^^^^^^^^^^^^^ `Option<f64>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<f64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     const HYDROGEN: Element = PERIODIC_TABLE[0];
[INFO] [stdout]    |                     -------   ^^^^^^^^^^^^^^^^^ expected `Element`, found `&Element`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     expected because of the type of the constant
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "53ba22b24dac613ffef6a65a8bbfa8019ebe2883e1c1a93660172e7adf388c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ba22b24dac613ffef6a65a8bbfa8019ebe2883e1c1a93660172e7adf388c6f", kill_on_drop: false }`
[INFO] [stdout] 53ba22b24dac613ffef6a65a8bbfa8019ebe2883e1c1a93660172e7adf388c6f
