[INFO] cloning repository https://github.com/violetdivine/supplement_p2_6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/violetdivine/supplement_p2_6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvioletdivine%2Fsupplement_p2_6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvioletdivine%2Fsupplement_p2_6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 947cbfade2673262a1d4d7f8c78202739c7f20a8
[INFO] testing violetdivine/supplement_p2_6 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvioletdivine%2Fsupplement_p2_6" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/violetdivine/supplement_p2_6
[INFO] finished tweaking git repo https://github.com/violetdivine/supplement_p2_6
[INFO] tweaked toml for git repo https://github.com/violetdivine/supplement_p2_6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/violetdivine/supplement_p2_6 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/violetdivine/supplement_p2_6 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 833d66b9d9c68f1ba55709a18534ecaa82506c725e1e8460ef061ecbe687b2a7
[INFO] running `Command { std: "docker" "start" "-a" "833d66b9d9c68f1ba55709a18534ecaa82506c725e1e8460ef061ecbe687b2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "833d66b9d9c68f1ba55709a18534ecaa82506c725e1e8460ef061ecbe687b2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833d66b9d9c68f1ba55709a18534ecaa82506c725e1e8460ef061ecbe687b2a7", kill_on_drop: false }`
[INFO] [stdout] 833d66b9d9c68f1ba55709a18534ecaa82506c725e1e8460ef061ecbe687b2a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 85b0c39e93b7c29f0079ed3c0cabb5de8bb0a777e6bb88d182111987e7cdb29b
[INFO] running `Command { std: "docker" "start" "-a" "85b0c39e93b7c29f0079ed3c0cabb5de8bb0a777e6bb88d182111987e7cdb29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling supplement_p2_6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `is_palindrome`, `most_common_char`, and `reverse_string`
[INFO] [stdout]  --> src/test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{is_palindrome, reverse_string, most_common_char};
[INFO] [stdout]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib2.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main(){
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "85b0c39e93b7c29f0079ed3c0cabb5de8bb0a777e6bb88d182111987e7cdb29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b0c39e93b7c29f0079ed3c0cabb5de8bb0a777e6bb88d182111987e7cdb29b", kill_on_drop: false }`
[INFO] [stdout] 85b0c39e93b7c29f0079ed3c0cabb5de8bb0a777e6bb88d182111987e7cdb29b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b2f049bec7c4d276fa01313f75998841cd629621fb8d34b5189cc2e53e9259ad
[INFO] running `Command { std: "docker" "start" "-a" "b2f049bec7c4d276fa01313f75998841cd629621fb8d34b5189cc2e53e9259ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling supplement_p2_6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `is_palindrome`, `most_common_char`, and `reverse_string`
[INFO] [stdout]  --> src/test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{is_palindrome, reverse_string, most_common_char};
[INFO] [stdout]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib2.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main(){
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib2.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main(){
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b2f049bec7c4d276fa01313f75998841cd629621fb8d34b5189cc2e53e9259ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f049bec7c4d276fa01313f75998841cd629621fb8d34b5189cc2e53e9259ad", kill_on_drop: false }`
[INFO] [stdout] b2f049bec7c4d276fa01313f75998841cd629621fb8d34b5189cc2e53e9259ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32eb1a555f7ecfc76c78299a36573ae216adcfb515bc34e6a27c24880ea1363f
[INFO] running `Command { std: "docker" "start" "-a" "32eb1a555f7ecfc76c78299a36573ae216adcfb515bc34e6a27c24880ea1363f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `is_palindrome`, `most_common_char`, and `reverse_string`
[INFO] [stderr]  --> src/test.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{is_palindrome, reverse_string, most_common_char};
[INFO] [stderr]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod test;
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/lib2.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main(){
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `supplement_p2_6` (lib) generated 2 warnings (run `cargo fix --lib -p supplement_p2_6` to apply 1 suggestion)
[INFO] [stderr] warning: `supplement_p2_6` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/supplement_p2_6-c5437c7989f0ec78)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::should_test_if_string_is_a_palindrome ... ok
[INFO] [stdout] test test::should_test_most_used_character ... ok
[INFO] [stdout] test test::should_test_reversing_a_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests supplement_p2_6
[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" "32eb1a555f7ecfc76c78299a36573ae216adcfb515bc34e6a27c24880ea1363f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32eb1a555f7ecfc76c78299a36573ae216adcfb515bc34e6a27c24880ea1363f", kill_on_drop: false }`
[INFO] [stdout] 32eb1a555f7ecfc76c78299a36573ae216adcfb515bc34e6a27c24880ea1363f
