[INFO] cloning repository https://github.com/sarahb/6991-ws02
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarahb/6991-ws02" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahb%2F6991-ws02", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahb%2F6991-ws02'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d577b041dc23124251b30a5e3d7630bace0b3e41
[INFO] checking sarahb/6991-ws02 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahb%2F6991-ws02" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sarahb/6991-ws02
[INFO] finished tweaking git repo https://github.com/sarahb/6991-ws02
[INFO] tweaked toml for git repo https://github.com/sarahb/6991-ws02 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarahb/6991-ws02 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sarahb/6991-ws02 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c0cde0ae93111f703cad4ab13f762d58a5e79299374a034735db2189516f47
[INFO] running `Command { std: "docker" "start" "-a" "f6c0cde0ae93111f703cad4ab13f762d58a5e79299374a034735db2189516f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c0cde0ae93111f703cad4ab13f762d58a5e79299374a034735db2189516f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c0cde0ae93111f703cad4ab13f762d58a5e79299374a034735db2189516f47", kill_on_drop: false }`
[INFO] [stdout] f6c0cde0ae93111f703cad4ab13f762d58a5e79299374a034735db2189516f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67fde0c946df43262701fe91bd6884b0c8c286fabb8a3d7165c5e4f8a84af58f
[INFO] running `Command { std: "docker" "start" "-a" "67fde0c946df43262701fe91bd6884b0c8c286fabb8a3d7165c5e4f8a84af58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking geoutils v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking ws02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&std::option::Option<(&std::string::String, &i32)>`
[INFO] [stdout]    --> src/main.rs:101:57
[INFO] [stdout]     |
[INFO] [stdout] 101 |         key_values.into_iter().max_by_key(|tuple| tuple.1)
[INFO] [stdout]     |                                                         ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 95  |     fn get_busiest_time(&self) -> (String, i32) {
[INFO] [stdout]     |                                   ------------- expected `(std::string::String, i32)` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 101 |         key_values.into_iter().max_by_key(|tuple| tuple.1)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(String, i32)`, found `Option<Option<(&String, &i32)>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected tuple `(std::string::String, i32)`
[INFO] [stdout]                 found enum `std::option::Option<std::option::Option<(&std::string::String, &i32)>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `usagesMap` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let usagesMap = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^ not mutable
[INFO] [stdout] 87 |         usagesMap.insert(String::from("Morning"), self.thoroughfare_usage_morning);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 88 |         usagesMap.insert(String::from("Afternoon"), self.thoroughfare_usage_afternoon);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 89 |         usagesMap.insert(String::from("Evening"), self.thoroughfare_usage_evening);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 90 |         usagesMap.insert(String::from("Night"), self.thoroughfare_usage_night);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut usagesMap = HashMap::new();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `station_name`
[INFO] [stdout]    --> src/main.rs:197:48
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn output_station_busiest_times(station_name: String, data: HashMap<String, Vec<BetterEntry>>) {
[INFO] [stdout]     |                                 ------------ move occurs because `station_name` has type `std::string::String`, which does not implement the `Copy` trait
[INFO] [stdout] 188 |     let station_data = load_station(station_name, data);
[INFO] [stdout]     |                                     ------------ value moved here
[INFO] [stdout] ...
[INFO] [stdout] 197 |             println!("Busiest time at station {station_name} was {}", max.0);
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ value borrowed here after move
[INFO] [stdout]     |
[INFO] [stdout] note: consider changing this parameter type in function `load_station` to borrow instead if owning the value isn't necessary
[INFO] [stdout]    --> src/main.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn load_station(name: String, data: HashMap<String, Vec<BetterEntry>>) -> Option<Vec<BetterEntry>> {
[INFO] [stdout]     |    ------------       ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]     |    |
[INFO] [stdout]     |    in this function
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let station_data = load_station(station_name.clone(), data);
[INFO] [stdout]     |                                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut min_morning:i32 = i32::MAX;
[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:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut min_midday:i32 = i32::MAX;
[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:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut min_evening:i32 = i32::MAX;
[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:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut min_midnight:i32 = i32::MAX;
[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:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     let mut min_morning_station:String = String::new();
[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:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut min_midday_station:String = String::new();    
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws02` (bin "ws02") due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut min_evening_station:String = String::new();    
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut min_midnight_station:String = String::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0382, E0596, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws02` (bin "ws02" test) due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&std::option::Option<(&std::string::String, &i32)>`
[INFO] [stdout]    --> src/main.rs:101:57
[INFO] [stdout]     |
[INFO] [stdout] 101 |         key_values.into_iter().max_by_key(|tuple| tuple.1)
[INFO] [stdout]     |                                                         ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 95  |     fn get_busiest_time(&self) -> (String, i32) {
[INFO] [stdout]     |                                   ------------- expected `(std::string::String, i32)` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 101 |         key_values.into_iter().max_by_key(|tuple| tuple.1)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(String, i32)`, found `Option<Option<(&String, &i32)>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected tuple `(std::string::String, i32)`
[INFO] [stdout]                 found enum `std::option::Option<std::option::Option<(&std::string::String, &i32)>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `usagesMap` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let usagesMap = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^ not mutable
[INFO] [stdout] 87 |         usagesMap.insert(String::from("Morning"), self.thoroughfare_usage_morning);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 88 |         usagesMap.insert(String::from("Afternoon"), self.thoroughfare_usage_afternoon);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 89 |         usagesMap.insert(String::from("Evening"), self.thoroughfare_usage_evening);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout] 90 |         usagesMap.insert(String::from("Night"), self.thoroughfare_usage_night);
[INFO] [stdout]    |         --------- cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut usagesMap = HashMap::new();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `station_name`
[INFO] [stdout]    --> src/main.rs:197:48
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn output_station_busiest_times(station_name: String, data: HashMap<String, Vec<BetterEntry>>) {
[INFO] [stdout]     |                                 ------------ move occurs because `station_name` has type `std::string::String`, which does not implement the `Copy` trait
[INFO] [stdout] 188 |     let station_data = load_station(station_name, data);
[INFO] [stdout]     |                                     ------------ value moved here
[INFO] [stdout] ...
[INFO] [stdout] 197 |             println!("Busiest time at station {station_name} was {}", max.0);
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ value borrowed here after move
[INFO] [stdout]     |
[INFO] [stdout] note: consider changing this parameter type in function `load_station` to borrow instead if owning the value isn't necessary
[INFO] [stdout]    --> src/main.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn load_station(name: String, data: HashMap<String, Vec<BetterEntry>>) -> Option<Vec<BetterEntry>> {
[INFO] [stdout]     |    ------------       ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]     |    |
[INFO] [stdout]     |    in this function
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let station_data = load_station(station_name.clone(), data);
[INFO] [stdout]     |                                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut min_morning:i32 = i32::MAX;
[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:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut min_midday:i32 = i32::MAX;
[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:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut min_evening:i32 = i32::MAX;
[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:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut min_midnight:i32 = i32::MAX;
[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:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     let mut min_morning_station:String = String::new();
[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:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut min_midday_station:String = String::new();    
[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:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut min_evening_station:String = String::new();    
[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:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut min_midnight_station:String = String::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0382, E0596, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67fde0c946df43262701fe91bd6884b0c8c286fabb8a3d7165c5e4f8a84af58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fde0c946df43262701fe91bd6884b0c8c286fabb8a3d7165c5e4f8a84af58f", kill_on_drop: false }`
[INFO] [stdout] 67fde0c946df43262701fe91bd6884b0c8c286fabb8a3d7165c5e4f8a84af58f
