[INFO] cloning repository https://github.com/rosarinjroy/rust_anagram_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rosarinjroy/rust_anagram_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosarinjroy%2Frust_anagram_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosarinjroy%2Frust_anagram_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4074d8221095ed844a9a01a79d1c65a8e439df6b
[INFO] testing rosarinjroy/rust_anagram_solver 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%2Frosarinjroy%2Frust_anagram_solver" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rosarinjroy/rust_anagram_solver 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/rosarinjroy/rust_anagram_solver
[INFO] finished tweaking git repo https://github.com/rosarinjroy/rust_anagram_solver
[INFO] tweaked toml for git repo https://github.com/rosarinjroy/rust_anagram_solver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rosarinjroy/rust_anagram_solver 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19305c5975db78ffaeb4f4c0c2e912d4b9f4f4cb8b03722a18bb66cd535d7f5e
[INFO] running `Command { std: "docker" "start" "-a" "19305c5975db78ffaeb4f4c0c2e912d4b9f4f4cb8b03722a18bb66cd535d7f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19305c5975db78ffaeb4f4c0c2e912d4b9f4f4cb8b03722a18bb66cd535d7f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19305c5975db78ffaeb4f4c0c2e912d4b9f4f4cb8b03722a18bb66cd535d7f5e", kill_on_drop: false }`
[INFO] [stdout] 19305c5975db78ffaeb4f4c0c2e912d4b9f4f4cb8b03722a18bb66cd535d7f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46859ae95095337dc9a3e98e9fc61b69045c038c859341bbbad2fe48de3f4a37
[INFO] running `Command { std: "docker" "start" "-a" "46859ae95095337dc9a3e98e9fc61b69045c038c859341bbbad2fe48de3f4a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_anagram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Error::description(&why)),
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "46859ae95095337dc9a3e98e9fc61b69045c038c859341bbbad2fe48de3f4a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46859ae95095337dc9a3e98e9fc61b69045c038c859341bbbad2fe48de3f4a37", kill_on_drop: false }`
[INFO] [stdout] 46859ae95095337dc9a3e98e9fc61b69045c038c859341bbbad2fe48de3f4a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce4c79d3f79f2d837b04b93a20afa8b20facf3f79016b478679ce0d4fa9758f9
[INFO] running `Command { std: "docker" "start" "-a" "ce4c79d3f79f2d837b04b93a20afa8b20facf3f79016b478679ce0d4fa9758f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_anagram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Error::description(&why)),
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_anagram_solver-30d3642df5fd6c04)
[INFO] running `Command { std: "docker" "inspect" "ce4c79d3f79f2d837b04b93a20afa8b20facf3f79016b478679ce0d4fa9758f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4c79d3f79f2d837b04b93a20afa8b20facf3f79016b478679ce0d4fa9758f9", kill_on_drop: false }`
[INFO] [stdout] ce4c79d3f79f2d837b04b93a20afa8b20facf3f79016b478679ce0d4fa9758f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f44c75250b5299b336cb44b386c8d7dc6bc94a085852aa1543646a633d34808
[INFO] running `Command { std: "docker" "start" "-a" "8f44c75250b5299b336cb44b386c8d7dc6bc94a085852aa1543646a633d34808", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:45:20
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 45 |             Error::description(&why)),
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_anagram_solver` (bin "rust_anagram_solver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_anagram_solver-30d3642df5fd6c04)
[INFO] running `Command { std: "docker" "inspect" "8f44c75250b5299b336cb44b386c8d7dc6bc94a085852aa1543646a633d34808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f44c75250b5299b336cb44b386c8d7dc6bc94a085852aa1543646a633d34808", kill_on_drop: false }`
[INFO] [stdout] 8f44c75250b5299b336cb44b386c8d7dc6bc94a085852aa1543646a633d34808