[INFO] updating cached repository https://github.com/ianwsperber/omniglot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3647a9154bcd4fc3db7edd659698a0e039171c65
[INFO] checking ianwsperber/omniglot against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwsperber%2Fomniglot" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianwsperber/omniglot on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ianwsperber/omniglot
[INFO] finished tweaking git repo https://github.com/ianwsperber/omniglot
[INFO] tweaked toml for git repo https://github.com/ianwsperber/omniglot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ianwsperber/omniglot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11174b3a19cf00b146b4350ba1076eddf3bc0c4327e1bce612de603509e066c6
[INFO] running `"docker" "start" "-a" "11174b3a19cf00b146b4350ba1076eddf3bc0c4327e1bce612de603509e066c6"`
[INFO] [stderr]     Checking omniglot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/dictionary/parsers/simple.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/dictionary/parsers/simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let path = Path::new(filename);
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/dictionary/parsers/simple.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/dictionary/parsers/simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let path = Path::new(filename);
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `words` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let words: Vec<&str> =  line.words().collect();
[INFO] [stderr]    |                                  ^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `contains_char` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if info.contains_char('[') {
[INFO] [stderr]    |             ^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `words` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let words: Vec<&str> =  line.words().collect();
[INFO] [stderr]    |                                  ^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `contains_char` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if info.contains_char('[') {
[INFO] [stderr]    |             ^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |     '#' == line.char_at(0)
[INFO] [stderr]    |                 ^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> src/dictionary/parsers/simple.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |     '#' == line.char_at(0)
[INFO] [stderr]    |                 ^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `omniglot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `omniglot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "11174b3a19cf00b146b4350ba1076eddf3bc0c4327e1bce612de603509e066c6"`
[INFO] running `"docker" "rm" "-f" "11174b3a19cf00b146b4350ba1076eddf3bc0c4327e1bce612de603509e066c6"`
[INFO] [stdout] 11174b3a19cf00b146b4350ba1076eddf3bc0c4327e1bce612de603509e066c6