[INFO] updating cached repository https://github.com/eginez/rust_parser
[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] 97104b8dd4979d570955b736ba7eea7917e9111d
[INFO] checking eginez/rust_parser against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feginez%2Frust_parser" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eginez/rust_parser on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eginez/rust_parser
[INFO] finished tweaking git repo https://github.com/eginez/rust_parser
[INFO] tweaked toml for git repo https://github.com/eginez/rust_parser written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/eginez/rust_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c28850fdd9d6aa1f8057d1d71f7791f79bfa6770bccf9d0586b59967abe0c12e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c28850fdd9d6aa1f8057d1d71f7791f79bfa6770bccf9d0586b59967abe0c12e"`
[INFO] [stderr]     Checking rust_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:88:16
[INFO] [stderr]    |
[INFO] [stderr] 88 |             'a'...'z'|'A'...'Z' =>  tokenized.push(parse_identifer(tokens)),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |             'a'...'z'|'A'...'Z' =>  tokenized.push(parse_identifer(tokens)),
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |             '0'...'9' => tokenized.push(parse_number(tokens)),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:88:16
[INFO] [stderr]    |
[INFO] [stderr] 88 |             'a'...'z'|'A'...'Z' =>  tokenized.push(parse_identifer(tokens)),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |             'a'...'z'|'A'...'Z' =>  tokenized.push(parse_identifer(tokens)),
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |             '0'...'9' => tokenized.push(parse_number(tokens)),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/main.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 "NUMBER" | "IDENTIFIER" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------^^^
[INFO] [stderr]    |                                            |                                   |
[INFO] [stderr]    |                                            |                                   temporary value created here
[INFO] [stderr]    |                                            returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*t` which is behind a shared reference
[INFO] [stderr]   --> src/main.rs:51:61
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 "NUMBER" | "IDENTIFIER" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                                             ^^ move occurs because `*t` has type `Token`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/main.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 "+" | "-"|"*"|"/" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------^^^
[INFO] [stderr]    |                                      |                                   |
[INFO] [stderr]    |                                      |                                   temporary value created here
[INFO] [stderr]    |                                      returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*t` which is behind a shared reference
[INFO] [stderr]   --> src/main.rs:63:55
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 "+" | "-"|"*"|"/" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                                       ^^ move occurs because `*t` has type `Token`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut tokens = &mut allTokens.iter();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut root = accept_operator(tokens).unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0507, E0515.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: could not compile `rust_parser`.
[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[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/main.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 "NUMBER" | "IDENTIFIER" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------^^^
[INFO] [stderr]    |                                            |                                   |
[INFO] [stderr]    |                                            |                                   temporary value created here
[INFO] [stderr]    |                                            returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*t` which is behind a shared reference
[INFO] [stderr]   --> src/main.rs:51:61
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 "NUMBER" | "IDENTIFIER" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                                             ^^ move occurs because `*t` has type `Token`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/main.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 "+" | "-"|"*"|"/" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------^^^
[INFO] [stderr]    |                                      |                                   |
[INFO] [stderr]    |                                      |                                   temporary value created here
[INFO] [stderr]    |                                      returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*t` which is behind a shared reference
[INFO] [stderr]   --> src/main.rs:63:55
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 "+" | "-"|"*"|"/" => Some(Node { node:*t, children: &mut Vec::new() }),
[INFO] [stderr]    |                                                       ^^ move occurs because `*t` has type `Token`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut tokens = &mut allTokens.iter();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut root = accept_operator(tokens).unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0507, E0515.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: could not compile `rust_parser`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c28850fdd9d6aa1f8057d1d71f7791f79bfa6770bccf9d0586b59967abe0c12e"`
[INFO] running `"docker" "rm" "-f" "c28850fdd9d6aa1f8057d1d71f7791f79bfa6770bccf9d0586b59967abe0c12e"`
[INFO] [stdout] c28850fdd9d6aa1f8057d1d71f7791f79bfa6770bccf9d0586b59967abe0c12e
