[INFO] fetching crate ogrep 0.4.0...
[INFO] checking ogrep-0.4.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate ogrep 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ogrep 0.4.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ogrep 0.4.0
[INFO] finished tweaking crates.io crate ogrep 0.4.0
[INFO] tweaked toml for crates.io crate ogrep 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ogrep 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c483c0c31b4f99c14af79200ed42dba4c4141e7291617e49ab499cbe2444464
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c483c0c31b4f99c14af79200ed42dba4c4141e7291617e49ab499cbe2444464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c483c0c31b4f99c14af79200ed42dba4c4141e7291617e49ab499cbe2444464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c483c0c31b4f99c14af79200ed42dba4c4141e7291617e49ab499cbe2444464", kill_on_drop: false }`
[INFO] [stdout] 1c483c0c31b4f99c14af79200ed42dba4c4141e7291617e49ab499cbe2444464
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a71bc3666f39c0b6a5fa27ba8e2b6b9419c70da4498883515561f567b9fa2a9
[INFO] running `Command { std: "docker" "start" "-a" "0a71bc3666f39c0b6a5fa27ba8e2b6b9419c70da4498883515561f567b9fa2a9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking ogrep v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/printer.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub output: &'o mut std::io::Write,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/printer.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(output: &'o mut std::io::Write, options: AppearanceOptions) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn as_buf_read(&mut self) -> &mut std::io::BufRead {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn close(mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:60:52
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn close_impl(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn as_write(&mut self) -> &mut std::io::Write {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a>;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/indentation.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/preprocessor.rs:83:38
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/textual.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/children.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn process_input(input: &mut BufRead,
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &mut textual_context as &mut Context,
[INFO] [stdout]    |                                      ^^^^^^^ help: use `dyn`: `dyn Context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:159:48
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn real_main() -> std::result::Result<i32, Box<std::error::Error>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/printer.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub output: &'o mut std::io::Write,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/printer.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(output: &'o mut std::io::Write, options: AppearanceOptions) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn as_buf_read(&mut self) -> &mut std::io::BufRead {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn close(mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:60:52
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn close_impl(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn as_write(&mut self) -> &mut std::io::Write {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a>;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/indentation.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/preprocessor.rs:83:38
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/textual.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/contexts/children.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn dump<'a>(&'a mut self) -> Box<Iterator<Item=&'a Line> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Line> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn process_input(input: &mut BufRead,
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &mut textual_context as &mut Context,
[INFO] [stdout]    |                                      ^^^^^^^ help: use `dyn`: `dyn Context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:159:48
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn real_main() -> std::result::Result<i32, Box<std::error::Error>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/options.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .author(crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/options.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .author(crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/options.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .author(crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/options.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .author(crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |             OgrepError::ClapError(ref e) => e.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => write!(f, "{}", self.description())
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |             OgrepError::ClapError(ref e) => e.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => write!(f, "{}", self.description())
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for mut context in &mut contexts {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for mut context in &mut contexts {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 for mut context in &mut contexts {
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             for mut context in &mut contexts {
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     for mut context in &mut contexts {
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 for mut context in &mut contexts {
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             for mut context in &mut contexts {
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     for mut context in &mut contexts {
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         let mut file = std::fs::File::open(&filepath)?;
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         let mut file = std::fs::File::open(&filepath)?;
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `Command { std: "docker" "inspect" "0a71bc3666f39c0b6a5fa27ba8e2b6b9419c70da4498883515561f567b9fa2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a71bc3666f39c0b6a5fa27ba8e2b6b9419c70da4498883515561f567b9fa2a9", kill_on_drop: false }`
[INFO] [stdout] 0a71bc3666f39c0b6a5fa27ba8e2b6b9419c70da4498883515561f567b9fa2a9
