[INFO] cloning repository https://github.com/nikhilmitrax/rotx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilmitrax/rotx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c64584ccef7c7477c5b6a0626bf1443d563a429
[INFO] testing nikhilmitrax/rotx against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhilmitrax/rotx 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/nikhilmitrax/rotx
[INFO] finished tweaking git repo https://github.com/nikhilmitrax/rotx
[INFO] tweaked toml for git repo https://github.com/nikhilmitrax/rotx written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhilmitrax/rotx 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7c807b04b3c760c7613481da7e1a12fcdf6540d137de5945945a330c0253dcc
[INFO] running `Command { std: "docker" "start" "-a" "d7c807b04b3c760c7613481da7e1a12fcdf6540d137de5945945a330c0253dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7c807b04b3c760c7613481da7e1a12fcdf6540d137de5945945a330c0253dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c807b04b3c760c7613481da7e1a12fcdf6540d137de5945945a330c0253dcc", kill_on_drop: false }`
[INFO] [stdout] d7c807b04b3c760c7613481da7e1a12fcdf6540d137de5945945a330c0253dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a6ad87022e6829d98257e50c5b3e4c7035c1a9a63f971d540f127cd0eb9780bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6ad87022e6829d98257e50c5b3e4c7035c1a9a63f971d540f127cd0eb9780bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ALPHABET` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ALPHABET_INDEX: HashMap<usize, char> = ALPHABET.clone().into_iter().enumerate().collect();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_REVERSE_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let ALPHABET_REVERSE_INDEX: HashMap<char, usize> = ALPHABET
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_reverse_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "a6ad87022e6829d98257e50c5b3e4c7035c1a9a63f971d540f127cd0eb9780bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ad87022e6829d98257e50c5b3e4c7035c1a9a63f971d540f127cd0eb9780bf", kill_on_drop: false }`
[INFO] [stdout] a6ad87022e6829d98257e50c5b3e4c7035c1a9a63f971d540f127cd0eb9780bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1ae38aabcf0fd42b898dc2a66c6527a97444f712ef7fddf9b4e0b51440283106
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ae38aabcf0fd42b898dc2a66c6527a97444f712ef7fddf9b4e0b51440283106", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ALPHABET` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ALPHABET_INDEX: HashMap<usize, char> = ALPHABET.clone().into_iter().enumerate().collect();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_REVERSE_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let ALPHABET_REVERSE_INDEX: HashMap<char, usize> = ALPHABET
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_reverse_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1ae38aabcf0fd42b898dc2a66c6527a97444f712ef7fddf9b4e0b51440283106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae38aabcf0fd42b898dc2a66c6527a97444f712ef7fddf9b4e0b51440283106", kill_on_drop: false }`
[INFO] [stdout] 1ae38aabcf0fd42b898dc2a66c6527a97444f712ef7fddf9b4e0b51440283106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3d8f3e7c20f34a44679fb8b34d33f64b07a14d06a726fc208c76bccc766de9e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d8f3e7c20f34a44679fb8b34d33f64b07a14d06a726fc208c76bccc766de9e1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable `ALPHABET` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ALPHABET_INDEX` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let ALPHABET_INDEX: HashMap<usize, char> = ALPHABET.clone().into_iter().enumerate().collect();
[INFO] [stderr]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ALPHABET_REVERSE_INDEX` should have a snake case name
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let ALPHABET_REVERSE_INDEX: HashMap<char, usize> = ALPHABET
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_reverse_index`
[INFO] [stderr] 
[INFO] [stderr] warning: `rotx` (bin "rotx" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rotx-25f5a2ff16b014c0)
[INFO] running `Command { std: "docker" "inspect" "3d8f3e7c20f34a44679fb8b34d33f64b07a14d06a726fc208c76bccc766de9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8f3e7c20f34a44679fb8b34d33f64b07a14d06a726fc208c76bccc766de9e1", kill_on_drop: false }`
[INFO] [stdout] 3d8f3e7c20f34a44679fb8b34d33f64b07a14d06a726fc208c76bccc766de9e1