[INFO] updating cached repository Klapeyron/Markov
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Klapeyron/Markov
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Klapeyron/Markov" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Klapeyron/Markov"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Klapeyron/Markov'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Klapeyron/Markov" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Klapeyron/Markov"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Klapeyron/Markov'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62d4cd1839e0f7fc96beeaa6dc2a1efb829e1b94
[INFO] sha for GitHub repo Klapeyron/Markov: 62d4cd1839e0f7fc96beeaa6dc2a1efb829e1b94
[INFO] validating manifest of Klapeyron/Markov on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Klapeyron/Markov on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Klapeyron/Markov
[INFO] finished frobbing Klapeyron/Markov
[INFO] frobbed toml for Klapeyron/Markov written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Klapeyron/Markov/Cargo.toml
[INFO] started frobbing Klapeyron/Markov
[INFO] finished frobbing Klapeyron/Markov
[INFO] frobbed toml for Klapeyron/Markov written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Klapeyron/Markov/Cargo.toml
[INFO] crate Klapeyron/Markov already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Klapeyron/Markov/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Klapeyron/Markov against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Klapeyron/Markov:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe22550e4bcb57359382eaf332570f5a87e91134f74c38b95368498ed763105e
[INFO] running `"docker" "start" "-a" "fe22550e4bcb57359382eaf332570f5a87e91134f74c38b95368498ed763105e"`
[INFO] [stderr]     Checking markov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/matrix.rs:34:71
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn read_state(self: &Matrix<T>, x: usize, y: usize) -> Option<&T> {
[INFO] [stderr]    |                                                                       ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/matrix.rs:43:40
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn matrix(self: &Matrix<T>) -> &Vec<Vec<T>> {
[INFO] [stderr]    |                                        ^ help: consider giving it a 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] error: Could not compile `markov`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/matrix.rs:34:71
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn read_state(self: &Matrix<T>, x: usize, y: usize) -> Option<&T> {
[INFO] [stderr]    |                                                                       ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/matrix.rs:43:40
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn matrix(self: &Matrix<T>) -> &Vec<Vec<T>> {
[INFO] [stderr]    |                                        ^ help: consider giving it a 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] error: Could not compile `markov`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fe22550e4bcb57359382eaf332570f5a87e91134f74c38b95368498ed763105e"`
[INFO] running `"docker" "rm" "-f" "fe22550e4bcb57359382eaf332570f5a87e91134f74c38b95368498ed763105e"`
[INFO] [stdout] fe22550e4bcb57359382eaf332570f5a87e91134f74c38b95368498ed763105e