[INFO] fetching crate mech-utilities 0.2.2...
[INFO] checking mech-utilities-0.2.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate mech-utilities 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mech-utilities 0.2.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-utilities 0.2.2
[INFO] finished tweaking crates.io crate mech-utilities 0.2.2
[INFO] tweaked toml for crates.io crate mech-utilities 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stdout] 2c5395fa22dc02a114ba5d3d106628399d1ce205b6fdde07d39bdc1a6abc3465
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[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.2.21/src/types.rs:116:49
[INFO] [stdout]     |
[INFO] [stdout] 116 |   fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ expected `(usize, std::option::Option<usize>)`, found `std::option::Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&types::F64, &types::F64) -> (usize, std::option::Option<usize>)`
[INFO] [stdout]                found signature `fn(&types::F64, &types::F64) -> std::option::Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 116 |   fn steps_between(start: &Self, end: &Self) -> (usize, std::option::Option<usize>) {
[INFO] [stdout]     |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.2.21/src/types.rs:229:49
[INFO] [stdout]     |
[INFO] [stdout] 229 |   fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ expected `(usize, std::option::Option<usize>)`, found `std::option::Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&types::F32, &types::F32) -> (usize, std::option::Option<usize>)`
[INFO] [stdout]                found signature `fn(&types::F32, &types::F32) -> std::option::Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 229 |   fn steps_between(start: &Self, end: &Self) -> (usize, std::option::Option<usize>) {
[INFO] [stdout]     |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f0da970207865f2dedb95720c9e83faaaeab14906aec4e429387c43ef0c491d0", kill_on_drop: false }`
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[INFO] [stdout] f0da970207865f2dedb95720c9e83faaaeab14906aec4e429387c43ef0c491d0
