[INFO] cloning repository https://github.com/cdecompilador/amargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdecompilador/amargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdecompilador%2Famargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdecompilador%2Famargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 934532a04a3e7b3b75cb37c9cddef520ddcd83a9
[INFO] testing cdecompilador/amargo against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdecompilador%2Famargo" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdecompilador/amargo on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdecompilador/amargo
[INFO] finished tweaking git repo https://github.com/cdecompilador/amargo
[INFO] tweaked toml for git repo https://github.com/cdecompilador/amargo written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cdecompilador/amargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded include_dir_macros v0.7.2
[INFO] [stderr]   Downloaded concolor-clap v0.0.9
[INFO] [stderr]   Downloaded include_dir v0.7.2
[INFO] [stderr]   Downloaded concolor v0.0.8
[INFO] [stderr]   Downloaded structmeta-derive v0.1.3
[INFO] [stderr]   Downloaded structmeta v0.1.3
[INFO] [stderr]   Downloaded concolor-query v0.0.5
[INFO] [stderr]   Downloaded parse-display-derive v0.5.2
[INFO] [stderr]   Downloaded parse-display v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8860c8f2633f2a227524a38eb0be0b7ea48d8ae8657e92d6f518ca829beac885
[INFO] running `Command { std: "docker" "start" "-a" "8860c8f2633f2a227524a38eb0be0b7ea48d8ae8657e92d6f518ca829beac885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8860c8f2633f2a227524a38eb0be0b7ea48d8ae8657e92d6f518ca829beac885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8860c8f2633f2a227524a38eb0be0b7ea48d8ae8657e92d6f518ca829beac885", kill_on_drop: false }`
[INFO] [stdout] 8860c8f2633f2a227524a38eb0be0b7ea48d8ae8657e92d6f518ca829beac885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a8ebdf700230cdb64833198aa80a6d7da90d4477cac241d76bb8fbbb0d2725
[INFO] running `Command { std: "docker" "start" "-a" "b7a8ebdf700230cdb64833198aa80a6d7da90d4477cac241d76bb8fbbb0d2725", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling concolor-query v0.0.5
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling include_dir_macros v0.7.2
[INFO] [stderr]    Compiling include_dir v0.7.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling concolor v0.0.8
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structmeta-derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]    Compiling structmeta v0.1.3
[INFO] [stderr]    Compiling parse-display-derive v0.5.2
[INFO] [stderr]    Compiling clap v3.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling concolor-clap v0.0.9
[INFO] [stderr]    Compiling parse-display v0.5.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling amargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidProjectPath`
[INFO] [stdout]   --> src/error.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidProjectPath(PathBuf),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotRemove`
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     CannotRemove(PathBuf, std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotAProject`
[INFO] [stdout]   --> src/error.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     NotAProject(PathBuf),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotLink`
[INFO] [stdout]   --> src/error.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     CannotLink(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tool.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extra_warnings_flags`
[INFO] [stdout]    --> src/tool.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn extra_warnings_flags(&self) -> Option<&'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warnings_to_errors_flag`
[INFO] [stdout]    --> src/tool.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn warnings_to_errors_flag(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "b7a8ebdf700230cdb64833198aa80a6d7da90d4477cac241d76bb8fbbb0d2725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a8ebdf700230cdb64833198aa80a6d7da90d4477cac241d76bb8fbbb0d2725", kill_on_drop: false }`
[INFO] [stdout] b7a8ebdf700230cdb64833198aa80a6d7da90d4477cac241d76bb8fbbb0d2725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b499da06a2c7755930658b1c4da27868778a951fd233eefee7a696762819ff
[INFO] running `Command { std: "docker" "start" "-a" "98b499da06a2c7755930658b1c4da27868778a951fd233eefee7a696762819ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling amargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidProjectPath`
[INFO] [stdout]   --> src/error.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidProjectPath(PathBuf),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotRemove`
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     CannotRemove(PathBuf, std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotAProject`
[INFO] [stdout]   --> src/error.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     NotAProject(PathBuf),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotLink`
[INFO] [stdout]   --> src/error.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     CannotLink(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tool.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extra_warnings_flags`
[INFO] [stdout]    --> src/tool.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn extra_warnings_flags(&self) -> Option<&'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warnings_to_errors_flag`
[INFO] [stdout]    --> src/tool.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn warnings_to_errors_flag(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "98b499da06a2c7755930658b1c4da27868778a951fd233eefee7a696762819ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b499da06a2c7755930658b1c4da27868778a951fd233eefee7a696762819ff", kill_on_drop: false }`
[INFO] [stdout] 98b499da06a2c7755930658b1c4da27868778a951fd233eefee7a696762819ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9098461ec4e292cbe98977ae2cdea15c1a06e793b8f26aa1e3ed612a2ec9432
[INFO] running `Command { std: "docker" "start" "-a" "a9098461ec4e292cbe98977ae2cdea15c1a06e793b8f26aa1e3ed612a2ec9432", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `InvalidProjectPath`
[INFO] [stderr]   --> src/error.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     InvalidProjectPath(PathBuf),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CannotRemove`
[INFO] [stderr]   --> src/error.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     CannotRemove(PathBuf, std::io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAProject`
[INFO] [stderr]   --> src/error.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     NotAProject(PathBuf),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CannotLink`
[INFO] [stderr]   --> src/error.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     CannotLink(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/tool.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `extra_warnings_flags`
[INFO] [stderr]    --> src/tool.rs:217:12
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn extra_warnings_flags(&self) -> Option<&'static str> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `warnings_to_errors_flag`
[INFO] [stderr]    --> src/tool.rs:225:12
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn warnings_to_errors_flag(&self) -> &'static str {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `amargo` (bin "amargo" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/amargo-f232ef23edf4efff)
[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" "a9098461ec4e292cbe98977ae2cdea15c1a06e793b8f26aa1e3ed612a2ec9432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9098461ec4e292cbe98977ae2cdea15c1a06e793b8f26aa1e3ed612a2ec9432", kill_on_drop: false }`
[INFO] [stdout] a9098461ec4e292cbe98977ae2cdea15c1a06e793b8f26aa1e3ed612a2ec9432