[INFO] cloning repository https://github.com/mariogeiger/anagram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariogeiger/anagram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariogeiger%2Fanagram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariogeiger%2Fanagram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f1eb3aca608807fad83425bab674be599044de5
[INFO] testing mariogeiger/anagram against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariogeiger%2Fanagram" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariogeiger/anagram on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mariogeiger/anagram
[INFO] finished tweaking git repo https://github.com/mariogeiger/anagram
[INFO] tweaked toml for git repo https://github.com/mariogeiger/anagram written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mariogeiger/anagram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b842567aeddd07a4f1b55f25514bfdf9a0a958813597e8ce34fb55cae4e74e
[INFO] running `Command { std: "docker" "start" "-a" "d3b842567aeddd07a4f1b55f25514bfdf9a0a958813597e8ce34fb55cae4e74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b842567aeddd07a4f1b55f25514bfdf9a0a958813597e8ce34fb55cae4e74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b842567aeddd07a4f1b55f25514bfdf9a0a958813597e8ce34fb55cae4e74e", kill_on_drop: false }`
[INFO] [stdout] d3b842567aeddd07a4f1b55f25514bfdf9a0a958813597e8ce34fb55cae4e74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7fc11ec7ec259bb1b2d0eb0fb8d3154d80f3d7282b5b6e89238ce57934a9eb2
[INFO] running `Command { std: "docker" "start" "-a" "e7fc11ec7ec259bb1b2d0eb0fb8d3154d80f3d7282b5b6e89238ce57934a9eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling anagram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 | /                 format!("\"{}\" contains no letters : {:?}",
[INFO] [stdout] 104 | |                         lang_word,
[INFO] [stdout] 105 | |                         lang_word_occ));
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 "\"{}\" contains no letters : {:?}",
[INFO] [stdout] 104 |                         lang_word,
[INFO] [stdout] 105 |                         lang_word_occ);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "e7fc11ec7ec259bb1b2d0eb0fb8d3154d80f3d7282b5b6e89238ce57934a9eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fc11ec7ec259bb1b2d0eb0fb8d3154d80f3d7282b5b6e89238ce57934a9eb2", kill_on_drop: false }`
[INFO] [stdout] e7fc11ec7ec259bb1b2d0eb0fb8d3154d80f3d7282b5b6e89238ce57934a9eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75a417a86c71bf3fb8291d54631bc18287b68688d1cc6b09df14084fd6e39cd
[INFO] running `Command { std: "docker" "start" "-a" "b75a417a86c71bf3fb8291d54631bc18287b68688d1cc6b09df14084fd6e39cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling anagram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 | /                 format!("\"{}\" contains no letters : {:?}",
[INFO] [stdout] 104 | |                         lang_word,
[INFO] [stdout] 105 | |                         lang_word_occ));
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 "\"{}\" contains no letters : {:?}",
[INFO] [stdout] 104 |                         lang_word,
[INFO] [stdout] 105 |                         lang_word_occ);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "b75a417a86c71bf3fb8291d54631bc18287b68688d1cc6b09df14084fd6e39cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75a417a86c71bf3fb8291d54631bc18287b68688d1cc6b09df14084fd6e39cd", kill_on_drop: false }`
[INFO] [stdout] b75a417a86c71bf3fb8291d54631bc18287b68688d1cc6b09df14084fd6e39cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56ad1e8cd014a02f916e05f55bbaedc7442ff5c1bd4c5ba60472e5eb7210e4b3
[INFO] running `Command { std: "docker" "start" "-a" "56ad1e8cd014a02f916e05f55bbaedc7442ff5c1bd4c5ba60472e5eb7210e4b3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 | /                 format!("\"{}\" contains no letters : {:?}",
[INFO] [stderr] 104 | |                         lang_word,
[INFO] [stderr] 105 | |                         lang_word_occ));
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 "\"{}\" contains no letters : {:?}",
[INFO] [stderr] 104 |                         lang_word,
[INFO] [stderr] 105 |                         lang_word_occ);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `anagram` (bin "anagram" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/anagram-1aed0688b8a2fcc6)
[INFO] running `Command { std: "docker" "inspect" "56ad1e8cd014a02f916e05f55bbaedc7442ff5c1bd4c5ba60472e5eb7210e4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ad1e8cd014a02f916e05f55bbaedc7442ff5c1bd4c5ba60472e5eb7210e4b3", kill_on_drop: false }`
[INFO] [stdout] 56ad1e8cd014a02f916e05f55bbaedc7442ff5c1bd4c5ba60472e5eb7210e4b3