[INFO] cloning repository https://github.com/ChrisWhealy/RustyRobots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisWhealy/RustyRobots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWhealy%2FRustyRobots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWhealy%2FRustyRobots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 513f20d2399f53fed5fa9ef7b7e9573f72811c1e
[INFO] testing ChrisWhealy/RustyRobots against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWhealy%2FRustyRobots" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ChrisWhealy/RustyRobots
[INFO] finished tweaking git repo https://github.com/ChrisWhealy/RustyRobots
[INFO] tweaked toml for git repo https://github.com/ChrisWhealy/RustyRobots written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChrisWhealy/RustyRobots on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ChrisWhealy/RustyRobots 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb8c8853f169f94aed2648ddba70663d88f558d196484ca23ea83e2c71cda3f
[INFO] running `Command { std: "docker" "start" "-a" "beb8c8853f169f94aed2648ddba70663d88f558d196484ca23ea83e2c71cda3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb8c8853f169f94aed2648ddba70663d88f558d196484ca23ea83e2c71cda3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb8c8853f169f94aed2648ddba70663d88f558d196484ca23ea83e2c71cda3f", kill_on_drop: false }`
[INFO] [stdout] beb8c8853f169f94aed2648ddba70663d88f558d196484ca23ea83e2c71cda3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3df90e9d0e86aad9f008bf02694ffe5a825937f86b27661112ffee8a7a25644
[INFO] running `Command { std: "docker" "start" "-a" "e3df90e9d0e86aad9f008bf02694ffe5a825937f86b27661112ffee8a7a25644", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_robots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:50:35
[INFO] [stdout]    |
[INFO] [stdout] 50 |       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 -       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout] 50 +       , _               => panic!("Unexpected error : {}", err)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 -           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout] 87 +           , _               => panic!("Unexpected error : {}", err)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/trace.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/trace.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/robot.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |   let mut line  = line_arg.clone();
[INFO] [stdout]     |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e3df90e9d0e86aad9f008bf02694ffe5a825937f86b27661112ffee8a7a25644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3df90e9d0e86aad9f008bf02694ffe5a825937f86b27661112ffee8a7a25644", kill_on_drop: false }`
[INFO] [stdout] e3df90e9d0e86aad9f008bf02694ffe5a825937f86b27661112ffee8a7a25644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a3ce102e9722aa76854ac68fe8a300fa45d957e4a39ce2ae5f24ecdbfba8bb
[INFO] running `Command { std: "docker" "start" "-a" "40a3ce102e9722aa76854ac68fe8a300fa45d957e4a39ce2ae5f24ecdbfba8bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_robots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:50:35
[INFO] [stdout]    |
[INFO] [stdout] 50 |       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 -       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout] 50 +       , _               => panic!("Unexpected error : {}", err)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 -           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stdout] 87 +           , _               => panic!("Unexpected error : {}", err)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/trace.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/trace.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/robot.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |   let mut line  = line_arg.clone();
[INFO] [stdout]     |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "40a3ce102e9722aa76854ac68fe8a300fa45d957e4a39ce2ae5f24ecdbfba8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a3ce102e9722aa76854ac68fe8a300fa45d957e4a39ce2ae5f24ecdbfba8bb", kill_on_drop: false }`
[INFO] [stdout] 40a3ce102e9722aa76854ac68fe8a300fa45d957e4a39ce2ae5f24ecdbfba8bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 459b99f87803c65ec52c811ea0ad1a66911725b53748318468c5cf2e7e23e04b
[INFO] running `Command { std: "docker" "start" "-a" "459b99f87803c65ec52c811ea0ad1a66911725b53748318468c5cf2e7e23e04b", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 50 -       , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stderr] 50 +       , _               => panic!("Unexpected error : {}", err)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 |           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 87 -           , _               => panic!(format!("Unexpected error : {}", err))
[INFO] [stderr] 87 +           , _               => panic!("Unexpected error : {}", err)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/trace.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let _ = &println!("{} {}.{}()", ptr, lib_name, fn_name);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/trace.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let _ = &println!("     {}.{}() {}", lib_name, fn_name, info);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout] running 9 tests
[INFO] [stderr]    --> src/robot.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |   let mut line  = line_arg.clone();
[INFO] [stderr]     |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_robots` (bin "rusty_robots" test) generated 5 warnings (run `cargo fix --bin "rusty_robots" -p rusty_robots --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_robots-f74157006bf84942)
[INFO] [stdout] test heading::tests::parse_test_invalid ... ok
[INFO] [stdout] test heading::tests::parse_test_valid ... ok
[INFO] [stdout] test robot::tests::spin_left ... ok
[INFO] [stdout] test robot::tests::spin_right ... ok
[INFO] [stdout] test robot::tests::navigate ... ok
[INFO] [stdout] test world::tests::create_world_test_valid_dims ... ok
[INFO] [stdout] test world::tests::parse_test_invalid_dims ... ok
[INFO] [stdout] test world::tests::parse_test_valid_dims ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin rusty_robots`
[INFO] [stdout] test robot::tests::create_invalid_robots ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- robot::tests::create_invalid_robots stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'robot::tests::create_invalid_robots' (18) panicked at src/robot.rs:375:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: None
[INFO] [stdout]  right: Some("Robot location lies outside permissible world boundaries")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x577a1403d61a - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x577a1403d61a - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x577a1403d61a - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x577a1403d61a - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x577a140512aa - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x577a140512aa - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stdout]    6:     0x577a14041ea2 - std[ec4e911328de40a6]::io::default_write_fmt::<alloc[c960326de6de28e6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x577a14041ea2 - <alloc[c960326de6de28e6]::vec::Vec<u8> as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x577a1401c83f - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x577a1401c83f - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x577a14035bd9 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x577a13fd2d9c - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x577a13fd2d9c - test[30c43f9fd66fea90]::test_main_with_exit_callback::<test[30c43f9fd66fea90]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x577a14035d92 - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x577a14035d92 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x577a1401c8f8 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x577a14014299 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x577a1401d60d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x577a140519dc - core[a96a4c5c53f902a3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x577a140518f3 - core[a96a4c5c53f902a3]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x577a13fbe66d - core[a96a4c5c53f902a3]::panicking::assert_failed::<core[a96a4c5c53f902a3]::option::Option<&str>, core[a96a4c5c53f902a3]::option::Option<&str>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x577a13fc252d - rusty_robots[d6583cfd3966fa55]::robot::tests::create_invalid_robots
[INFO] [stdout]                                at /opt/rustwide/workdir/src/robot.rs:375:5
[INFO] [stdout]   22:     0x577a13fbf287 - rusty_robots[d6583cfd3966fa55]::robot::tests::create_invalid_robots::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/robot.rs:348:29
[INFO] [stdout]   23:     0x577a13fc6be6 - <rusty_robots[d6583cfd3966fa55]::robot::tests::create_invalid_robots::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x577a13fc6e7b - <fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x577a13fc6e7b - test[30c43f9fd66fea90]::__rust_begin_short_backtrace::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x577a13fd386b - test[30c43f9fd66fea90]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x577a13fd386b - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x577a13fd386b - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x577a13fd386b - std[ec4e911328de40a6]::panicking::catch_unwind::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x577a13fd386b - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x577a13fd386b - test[30c43f9fd66fea90]::run_test_in_process
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x577a13fd386b - test[30c43f9fd66fea90]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x577a13fcef84 - test[30c43f9fd66fea90]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x577a13fcef84 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x577a13fd6472 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x577a13fd6472 - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x577a13fd6472 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x577a13fd6472 - std[ec4e911328de40a6]::panicking::catch_unwind::<(), core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x577a13fd6472 - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x577a13fd6472 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x577a13fd6472 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x577a1403cf2f - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x577a1403cf2f - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x780877d81aa4 - <unknown>
[INFO] [stdout]   45:     0x780877e0ea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     robot::tests::create_invalid_robots
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "459b99f87803c65ec52c811ea0ad1a66911725b53748318468c5cf2e7e23e04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459b99f87803c65ec52c811ea0ad1a66911725b53748318468c5cf2e7e23e04b", kill_on_drop: false }`
[INFO] [stdout] 459b99f87803c65ec52c811ea0ad1a66911725b53748318468c5cf2e7e23e04b
