[INFO] crate git-tcrdd 0.1.0-beta.8 is already in cache
[INFO] checking git-tcrdd-0.1.0-beta.8 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate git-tcrdd 0.1.0-beta.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate git-tcrdd 0.1.0-beta.8 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate git-tcrdd 0.1.0-beta.8
[INFO] finished tweaking crates.io crate git-tcrdd 0.1.0-beta.8
[INFO] tweaked toml for crates.io crate git-tcrdd 0.1.0-beta.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate git-tcrdd 0.1.0-beta.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 074aadd52967d8be53519ec2f6e238c0a0a6369b285b50bc39c20333c0046e52
[INFO] running `"docker" "start" "-a" "074aadd52967d8be53519ec2f6e238c0a0a6369b285b50bc39c20333c0046e52"`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling test-case v0.3.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking git-tcrdd v0.1.0-beta.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `changes_reverted_in_the_working_file`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:92:2
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn changes_reverted_in_the_working_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_dirty`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:129:2
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn is_dirty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_same_as`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn head_is_same_as(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:172:2
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn head_is_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_in_output_contains`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn assert_smoke_in_output_contains(output: &Output, subject: &str) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_committed`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_smoke_committed(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_reverted`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn assert_smoke_reverted(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_dirty`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:129:2
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn is_dirty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `changes_reverted_in_the_working_file`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:92:2
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn changes_reverted_in_the_working_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_dirty`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:129:2
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn is_dirty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_same_as`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn head_is_same_as(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:172:2
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn head_is_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_in_output_contains`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn assert_smoke_in_output_contains(output: &Output, subject: &str) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_committed`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_smoke_committed(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_reverted`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn assert_smoke_reverted(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_dirty`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:129:2
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn is_dirty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `changes_reverted_in_the_working_file`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:92:2
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn changes_reverted_in_the_working_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_new_commit`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:155:2
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn has_new_commit(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_same_as`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn head_is_same_as(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:172:2
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn head_is_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_in_output_contains`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn assert_smoke_in_output_contains(output: &Output, subject: &str) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_committed`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_smoke_committed(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_reverted`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn assert_smoke_reverted(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `changes_reverted_in_the_working_file`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:92:2
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn changes_reverted_in_the_working_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_new_commit`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:155:2
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn has_new_commit(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_same_as`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn head_is_same_as(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:172:2
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn head_is_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_reverted`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn assert_smoke_reverted(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_cli_with`
[INFO] [stderr]  --> tests/fixture/execute_cli.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn execute_cli_with(args: &[&str]) -> Assert {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `THIRD_CONTENT`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const THIRD_CONTENT: &str = "third content";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `changes_reverted_in_the_working_file`
[INFO] [stderr]   --> tests/fixture/test_repository.rs:92:2
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn changes_reverted_in_the_working_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_same_as`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn head_is_same_as(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_different_from`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:168:2
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn head_is_different_from(&self, commit_hash_other: io::Result<String>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:172:2
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn head_is_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_is_not_failing_ref`
[INFO] [stderr]    --> tests/fixture/test_repository.rs:178:2
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn head_is_not_failing_ref(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `before_each`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn before_each() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_in_output_contains`
[INFO] [stderr]  --> tests/fixture/smoke_assertion.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn assert_smoke_in_output_contains(output: &Output, subject: &str) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_committed`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_smoke_committed(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_smoke_reverted`
[INFO] [stderr]   --> tests/fixture/smoke_assertion.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn assert_smoke_reverted(output: &Output) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "074aadd52967d8be53519ec2f6e238c0a0a6369b285b50bc39c20333c0046e52"`
[INFO] running `"docker" "rm" "-f" "074aadd52967d8be53519ec2f6e238c0a0a6369b285b50bc39c20333c0046e52"`
[INFO] [stdout] 074aadd52967d8be53519ec2f6e238c0a0a6369b285b50bc39c20333c0046e52
