[INFO] cloning repository https://github.com/galp76/exercise_counter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galp76/exercise_counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalp76%2Fexercise_counter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalp76%2Fexercise_counter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 507287879ad001f922e90f05d87cb38339459027
[INFO] testing galp76/exercise_counter against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalp76%2Fexercise_counter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galp76/exercise_counter on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galp76/exercise_counter
[INFO] finished tweaking git repo https://github.com/galp76/exercise_counter
[INFO] tweaked toml for git repo https://github.com/galp76/exercise_counter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/galp76/exercise_counter 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin_sleep v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 039f3ff9f2c421b7a5546bc7abdbb88588c9634cd790113fdfdc63639bffb7d6
[INFO] running `Command { std: "docker" "start" "-a" "039f3ff9f2c421b7a5546bc7abdbb88588c9634cd790113fdfdc63639bffb7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039f3ff9f2c421b7a5546bc7abdbb88588c9634cd790113fdfdc63639bffb7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039f3ff9f2c421b7a5546bc7abdbb88588c9634cd790113fdfdc63639bffb7d6", kill_on_drop: false }`
[INFO] [stdout] 039f3ff9f2c421b7a5546bc7abdbb88588c9634cd790113fdfdc63639bffb7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8154144e3f7d9d35e63c9a44814bd08912b6bfc9807e32d43d783c6dbf5c27bf
[INFO] running `Command { std: "docker" "start" "-a" "8154144e3f7d9d35e63c9a44814bd08912b6bfc9807e32d43d783c6dbf5c27bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling spin_sleep v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling exercise_app_version_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `appendToFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `append_to_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn createFile(data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getDate` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn getDate() -> String {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `get_date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `changeChar` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn changeChar(file: &str, actual: char, new: char) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `change_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fileToString` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `file_to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |                         ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayInfo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn dayInfo(letter: &str, date: String) -> (&str, u8) { 
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `day_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newData` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn newData(exercise: &str, quantity: &str) {
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `new_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dateStr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let dateStr = super::getDate();
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `date_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let _ = std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "8154144e3f7d9d35e63c9a44814bd08912b6bfc9807e32d43d783c6dbf5c27bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8154144e3f7d9d35e63c9a44814bd08912b6bfc9807e32d43d783c6dbf5c27bf", kill_on_drop: false }`
[INFO] [stdout] 8154144e3f7d9d35e63c9a44814bd08912b6bfc9807e32d43d783c6dbf5c27bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666a78d73ed5efec9203f44c6fbbf5dc692a2b36da980668b9b77aad2b615c32
[INFO] running `Command { std: "docker" "start" "-a" "666a78d73ed5efec9203f44c6fbbf5dc692a2b36da980668b9b77aad2b615c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercise_app_version_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `appendToFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `append_to_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn createFile(data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getDate` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn getDate() -> String {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `get_date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `changeChar` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn changeChar(file: &str, actual: char, new: char) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `change_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fileToString` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `file_to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |                         ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayInfo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn dayInfo(letter: &str, date: String) -> (&str, u8) { 
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `day_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newData` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn newData(exercise: &str, quantity: &str) {
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `new_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dateStr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let dateStr = super::getDate();
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `date_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let _ = std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `appendToFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `append_to_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createFile` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn createFile(data: String) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getDate` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn getDate() -> String {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `get_date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `changeChar` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn changeChar(file: &str, actual: char, new: char) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `change_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fileToString` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `file_to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileName` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stdout]     |                         ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayInfo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn dayInfo(letter: &str, date: String) -> (&str, u8) { 
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `day_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newData` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn newData(exercise: &str, quantity: &str) {
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `new_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dateStr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let dateStr = super::getDate();
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `date_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let _ = std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "666a78d73ed5efec9203f44c6fbbf5dc692a2b36da980668b9b77aad2b615c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666a78d73ed5efec9203f44c6fbbf5dc692a2b36da980668b9b77aad2b615c32", kill_on_drop: false }`
[INFO] [stdout] 666a78d73ed5efec9203f44c6fbbf5dc692a2b36da980668b9b77aad2b615c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afa23cd56afab7d53bbd318ec2a3ef1d7a6b1d4e19cb8e4064f358d588d63a13
[INFO] running `Command { std: "docker" "start" "-a" "afa23cd56afab7d53bbd318ec2a3ef1d7a6b1d4e19cb8e4064f358d588d63a13", kill_on_drop: false }`
[INFO] [stderr] warning: function `appendToFile` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `append_to_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fileName` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn appendToFile(fileName: String, data: String) {
[INFO] [stderr]    |                 ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: function `createFile` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn createFile(data: String) {
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_file`
[INFO] [stderr] 
[INFO] [stderr] warning: function `getDate` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn getDate() -> String {
[INFO] [stderr]    |    ^^^^^^^ help: convert the identifier to snake case: `get_date`
[INFO] [stderr] 
[INFO] [stderr] warning: function `changeChar` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn changeChar(file: &str, actual: char, new: char) -> Result<String, Box<dyn Error>> {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `change_char`
[INFO] [stderr] 
[INFO] [stderr] warning: function `fileToString` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `file_to_string`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fileName` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:129:25
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn fileToString(fileName: &str) {
[INFO] [stderr]     |                         ^^^^^^^^ help: convert the identifier to snake case: `file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: function `dayInfo` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn dayInfo(letter: &str, date: String) -> (&str, u8) { 
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `day_info`
[INFO] [stderr] 
[INFO] [stderr] warning: function `newData` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn newData(exercise: &str, quantity: &str) {
[INFO] [stderr]     |            ^^^^^^^ help: convert the identifier to snake case: `new_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dateStr` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let dateStr = super::getDate();
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `date_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let _ = std::fs::rename("tmp.xhtml", "hello.xhtml");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_app_version_4` (lib) generated 11 warnings
[INFO] [stderr] warning: `exercise_app_version_4` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exercise_app_version_4-43e25d647a7fea3d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_app_version_4-1af6bd8e02fd29dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exercise_app_version_4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afa23cd56afab7d53bbd318ec2a3ef1d7a6b1d4e19cb8e4064f358d588d63a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa23cd56afab7d53bbd318ec2a3ef1d7a6b1d4e19cb8e4064f358d588d63a13", kill_on_drop: false }`
[INFO] [stdout] afa23cd56afab7d53bbd318ec2a3ef1d7a6b1d4e19cb8e4064f358d588d63a13