[INFO] cloning repository https://github.com/sidju/reed
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sidju/reed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidju%2Freed"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidju%2Freed'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a06c68b732541b69739caedf73f51ca36cc11df
[INFO] checking sidju/reed against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidju%2Freed" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidju/reed on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sidju/reed
[INFO] finished tweaking git repo https://github.com/sidju/reed
[INFO] tweaked toml for git repo https://github.com/sidju/reed written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sidju/reed already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] bbd12cc9de4e520eaf3117cbc1c7bafc6add7f15a9143c10cfe5023a7d9648de
[INFO] running `"docker" "start" "-a" "bbd12cc9de4e520eaf3117cbc1c7bafc6add7f15a9143c10cfe5023a7d9648de"`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking xml-rs v0.8.1
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking libc v0.2.68
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking fancy-regex v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking plist v0.5.3
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking syntect v4.1.0
[INFO] [stderr]     Checking reed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/io.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Ok(bytes_read) => {
[INFO] [stderr]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/io.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Ok(bytes_read) => {
[INFO] [stderr]    |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/cmd.rs:75:60
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let parse_index = | index: &str, selection: usize, default: usize | -> Result<usize, &str> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/io.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Ok(bytes_read) => {
[INFO] [stderr]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/io.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Ok(bytes_read) => {
[INFO] [stderr]    |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/cmd.rs:75:60
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let parse_index = | index: &str, selection: usize, default: usize | -> Result<usize, &str> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cmd::Append<'a>` in public interface (error E0446)
[INFO] [stderr]   --> src/cmd.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |     A(Append<'a>),
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_PARSE_ERR`
[INFO] [stderr]  --> src/cmd.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const SELECTION_PARSE_ERR: &str = "Could not parse given selection.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_OUT_OF_BOUNDS`
[INFO] [stderr]  --> src/cmd.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const SELECTION_OUT_OF_BOUNDS: &str = "Selection out of bounds.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_INVERTED`
[INFO] [stderr]  --> src/cmd.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const SELECTION_INVERTED: &str = "Selection is empty or inverted.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NO_COMMAND_ERR`
[INFO] [stderr]  --> src/cmd.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NO_COMMAND_ERR: &str = "No valid command given.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VALID_COMMANDS`
[INFO] [stderr]   --> src/cmd.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / const VALID_COMMANDS: &str =
[INFO] [stderr] 10 | |     "abcdefthijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_any_of`
[INFO] [stderr]   --> src/cmd.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn find_any_of(options: &str, input: &str) -> Option<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parse`
[INFO] [stderr]   --> src/cmd.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Parse<S> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Init`
[INFO] [stderr]   --> src/cmd.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Init<'a> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Command`
[INFO] [stderr]   --> src/cmd.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct Command<'a> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Expression`
[INFO] [stderr]   --> src/cmd.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct Expression<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Cmd`
[INFO] [stderr]   --> src/cmd.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum Cmd<'a> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Append`
[INFO] [stderr]   --> src/cmd.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct Append<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_command`
[INFO] [stderr]   --> src/cmd.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn parse_command(from: Parse<Init<'a>>) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     file: Option<String>,// The one to write to by default
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     state.test.insert(&mut vec!["test\n".to_string(),"lines\n".to_string()], 0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cmd::Append<'a>` in public interface (error E0446)
[INFO] [stderr]   --> src/cmd.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |     A(Append<'a>),
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_PARSE_ERR`
[INFO] [stderr]  --> src/cmd.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const SELECTION_PARSE_ERR: &str = "Could not parse given selection.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_OUT_OF_BOUNDS`
[INFO] [stderr]  --> src/cmd.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const SELECTION_OUT_OF_BOUNDS: &str = "Selection out of bounds.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELECTION_INVERTED`
[INFO] [stderr]  --> src/cmd.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const SELECTION_INVERTED: &str = "Selection is empty or inverted.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NO_COMMAND_ERR`
[INFO] [stderr]  --> src/cmd.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NO_COMMAND_ERR: &str = "No valid command given.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VALID_COMMANDS`
[INFO] [stderr]   --> src/cmd.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / const VALID_COMMANDS: &str =
[INFO] [stderr] 10 | |     "abcdefthijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_any_of`
[INFO] [stderr]   --> src/cmd.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn find_any_of(options: &str, input: &str) -> Option<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parse`
[INFO] [stderr]   --> src/cmd.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Parse<S> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Init`
[INFO] [stderr]   --> src/cmd.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Init<'a> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Command`
[INFO] [stderr]   --> src/cmd.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct Command<'a> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Expression`
[INFO] [stderr]   --> src/cmd.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct Expression<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Cmd`
[INFO] [stderr]   --> src/cmd.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum Cmd<'a> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Append`
[INFO] [stderr]   --> src/cmd.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct Append<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_command`
[INFO] [stderr]   --> src/cmd.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn parse_command(from: Parse<Init<'a>>) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     file: Option<String>,// The one to write to by default
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     state.test.insert(&mut vec!["test\n".to_string(),"lines\n".to_string()], 0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
[INFO] running `"docker" "inspect" "bbd12cc9de4e520eaf3117cbc1c7bafc6add7f15a9143c10cfe5023a7d9648de"`
[INFO] running `"docker" "rm" "-f" "bbd12cc9de4e520eaf3117cbc1c7bafc6add7f15a9143c10cfe5023a7d9648de"`
[INFO] [stdout] bbd12cc9de4e520eaf3117cbc1c7bafc6add7f15a9143c10cfe5023a7d9648de