[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariogeiger%2Fanagram" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariogeiger/anagram on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-117/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b08f56fce5ca8fddab3e241c5848dae40a073ffdc8c02b34c9c037c29e9f095
[INFO] running `Command { std: "docker" "start" "-a" "3b08f56fce5ca8fddab3e241c5848dae40a073ffdc8c02b34c9c037c29e9f095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b08f56fce5ca8fddab3e241c5848dae40a073ffdc8c02b34c9c037c29e9f095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b08f56fce5ca8fddab3e241c5848dae40a073ffdc8c02b34c9c037c29e9f095", kill_on_drop: false }`
[INFO] [stdout] 3b08f56fce5ca8fddab3e241c5848dae40a073ffdc8c02b34c9c037c29e9f095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b937e21ac9a95e53198168873a6c764f21db78908c37a66bca717cd5e9fb686
[INFO] running `Command { std: "docker" "start" "-a" "2b937e21ac9a95e53198168873a6c764f21db78908c37a66bca717cd5e9fb686", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 assert!() 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 8.76s
[INFO] running `Command { std: "docker" "inspect" "2b937e21ac9a95e53198168873a6c764f21db78908c37a66bca717cd5e9fb686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b937e21ac9a95e53198168873a6c764f21db78908c37a66bca717cd5e9fb686", kill_on_drop: false }`
[INFO] [stdout] 2b937e21ac9a95e53198168873a6c764f21db78908c37a66bca717cd5e9fb686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc1bb50b18394e23340111158a9730e3648930ae4184d6186adce4d3f41955d3
[INFO] running `Command { std: "docker" "start" "-a" "cc1bb50b18394e23340111158a9730e3648930ae4184d6186adce4d3f41955d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 assert!() 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 1.82s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/anagram-1e221d4bb0e82940)
[INFO] running `Command { std: "docker" "inspect" "cc1bb50b18394e23340111158a9730e3648930ae4184d6186adce4d3f41955d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1bb50b18394e23340111158a9730e3648930ae4184d6186adce4d3f41955d3", kill_on_drop: false }`
[INFO] [stdout] cc1bb50b18394e23340111158a9730e3648930ae4184d6186adce4d3f41955d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f84c36614e4f5faf86f66a51eac87a0c257df89cd5ddd9f20966e69fb109dc5
[INFO] running `Command { std: "docker" "start" "-a" "4f84c36614e4f5faf86f66a51eac87a0c257df89cd5ddd9f20966e69fb109dc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:103:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 103 | /                 format!("\"{}\" contains no letters : {:?}",
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 104 | |                         lang_word,
[INFO] [stdout] 
[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 assert!() 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 0.91s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/anagram-1e221d4bb0e82940)
[INFO] running `Command { std: "docker" "inspect" "4f84c36614e4f5faf86f66a51eac87a0c257df89cd5ddd9f20966e69fb109dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f84c36614e4f5faf86f66a51eac87a0c257df89cd5ddd9f20966e69fb109dc5", kill_on_drop: false }`
[INFO] [stdout] 4f84c36614e4f5faf86f66a51eac87a0c257df89cd5ddd9f20966e69fb109dc5