[INFO] fetching crate mech-program 0.2.0...
[INFO] checking mech-program-0.2.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate mech-program 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mech-program 0.2.0 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-program 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mech-program 0.2.0
[INFO] tweaked toml for crates.io crate mech-program 0.2.0 written to /workspace/builds/worker-6-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 }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c11c8dbadb13bd74c5821f50a25a0ebb37c69879b1ae7e1c3a50fecdbd6cc156", kill_on_drop: false }`
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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" "c25326955feb26e61101d18b52d05578b18a449a5e58f47fe429fb1948442f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25326955feb26e61101d18b52d05578b18a449a5e58f47fe429fb1948442f2a", kill_on_drop: false }`
[INFO] [stdout] c25326955feb26e61101d18b52d05578b18a449a5e58f47fe429fb1948442f2a
