[INFO] updating cached repository ballpointcarrot/rust-dailyprogrammer [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ballpointcarrot/rust-dailyprogrammer [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ballpointcarrot/rust-dailyprogrammer" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ballpointcarrot/rust-dailyprogrammer"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ballpointcarrot/rust-dailyprogrammer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ballpointcarrot/rust-dailyprogrammer" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ballpointcarrot/rust-dailyprogrammer"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ballpointcarrot/rust-dailyprogrammer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fb808a8895000e61b70ca9cccfe9c0e828fbbed0 [INFO] sha for GitHub repo ballpointcarrot/rust-dailyprogrammer: fb808a8895000e61b70ca9cccfe9c0e828fbbed0 [INFO] validating manifest of ballpointcarrot/rust-dailyprogrammer on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ballpointcarrot/rust-dailyprogrammer on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ballpointcarrot/rust-dailyprogrammer [INFO] finished frobbing ballpointcarrot/rust-dailyprogrammer [INFO] frobbed toml for ballpointcarrot/rust-dailyprogrammer written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ballpointcarrot/rust-dailyprogrammer/Cargo.toml [INFO] started frobbing ballpointcarrot/rust-dailyprogrammer [INFO] finished frobbing ballpointcarrot/rust-dailyprogrammer [INFO] frobbed toml for ballpointcarrot/rust-dailyprogrammer written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ballpointcarrot/rust-dailyprogrammer/Cargo.toml [INFO] crate ballpointcarrot/rust-dailyprogrammer already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ballpointcarrot/rust-dailyprogrammer/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ballpointcarrot/rust-dailyprogrammer against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ballpointcarrot/rust-dailyprogrammer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 965644d6b3331fce19aedbcc2ac9899c52a33532b4e94a66e83460a96271b5aa [INFO] running `"docker" "start" "-a" "965644d6b3331fce19aedbcc2ac9899c52a33532b4e94a66e83460a96271b5aa"` [INFO] [stderr] Checking 205 v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | 0 => Some(String::from_str("th")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:29:19 [INFO] [stderr] | [INFO] [stderr] 29 | 1 => Some(String::from_str("st")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:30:19 [INFO] [stderr] | [INFO] [stderr] 30 | 2 => Some(String::from_str("nd")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | 0 => Some(String::from_str("th")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:31:19 [INFO] [stderr] | [INFO] [stderr] 31 | 3 => Some(String::from_str("rd")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:29:19 [INFO] [stderr] | [INFO] [stderr] 29 | 1 => Some(String::from_str("st")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | 4...20 => Some(String::from_str("th")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:30:19 [INFO] [stderr] | [INFO] [stderr] 30 | 2 => Some(String::from_str("nd")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:31:19 [INFO] [stderr] | [INFO] [stderr] 31 | 3 => Some(String::from_str("rd")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `205`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/datespan.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | 4...20 => Some(String::from_str("th")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::result::Result` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:174:48 [INFO] [stderr] | [INFO] [stderr] 174 | assert_eq!("July 1st - 4th", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:174:67 [INFO] [stderr] | [INFO] [stderr] 174 | assert_eq!("July 1st - 4th", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:181:61 [INFO] [stderr] | [INFO] [stderr] 181 | assert_eq!("December 1st - February 3rd", span(start_dt.as_slice(), end_dt)); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:188:73 [INFO] [stderr] | [INFO] [stderr] 188 | assert_eq!("December 1st, 2015 - December 1st, 2016", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:188:92 [INFO] [stderr] | [INFO] [stderr] 188 | assert_eq!("December 1st, 2015 - December 1st, 2016", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:195:73 [INFO] [stderr] | [INFO] [stderr] 195 | assert_eq!("December 1st, 2015 - February 3rd, 2017", span(start_dt.as_slice(), end_dt)); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:203:46 [INFO] [stderr] | [INFO] [stderr] 203 | assert_eq!("December 1st", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope [INFO] [stderr] --> src/datespan.rs:203:65 [INFO] [stderr] | [INFO] [stderr] 203 | assert_eq!("December 1st", span(start_dt.as_slice(), end_dt.as_slice())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 13 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0308, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `205`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "965644d6b3331fce19aedbcc2ac9899c52a33532b4e94a66e83460a96271b5aa"` [INFO] running `"docker" "rm" "-f" "965644d6b3331fce19aedbcc2ac9899c52a33532b4e94a66e83460a96271b5aa"` [INFO] [stdout] 965644d6b3331fce19aedbcc2ac9899c52a33532b4e94a66e83460a96271b5aa