[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 try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikhilmitrax/rotx on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikhilmitrax/rotx 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing nikhilmitrax/rotx against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikhilmitrax/rotx on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikhilmitrax/rotx 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14eb3bd30b6a0b5c0bd5774b8d24d77b7f0e651c1279148c5667a4bec4c0eba9
[INFO] running `Command { std: "docker" "start" "-a" "14eb3bd30b6a0b5c0bd5774b8d24d77b7f0e651c1279148c5667a4bec4c0eba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14eb3bd30b6a0b5c0bd5774b8d24d77b7f0e651c1279148c5667a4bec4c0eba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14eb3bd30b6a0b5c0bd5774b8d24d77b7f0e651c1279148c5667a4bec4c0eba9", kill_on_drop: false }`
[INFO] [stdout] 14eb3bd30b6a0b5c0bd5774b8d24d77b7f0e651c1279148c5667a4bec4c0eba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 247563d10c531d56a221bc53e771956e3f4d31a7a1f154d9ff1988200cd38463
[INFO] running `Command { std: "docker" "start" "-a" "247563d10c531d56a221bc53e771956e3f4d31a7a1f154d9ff1988200cd38463", 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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "247563d10c531d56a221bc53e771956e3f4d31a7a1f154d9ff1988200cd38463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247563d10c531d56a221bc53e771956e3f4d31a7a1f154d9ff1988200cd38463", kill_on_drop: false }`
[INFO] [stdout] 247563d10c531d56a221bc53e771956e3f4d31a7a1f154d9ff1988200cd38463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acfa269c8cfb1fd25db5cb10c64b0f5947e5909701352140b25aa2981ef6d7e1
[INFO] running `Command { std: "docker" "start" "-a" "acfa269c8cfb1fd25db5cb10c64b0f5947e5909701352140b25aa2981ef6d7e1", 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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "acfa269c8cfb1fd25db5cb10c64b0f5947e5909701352140b25aa2981ef6d7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfa269c8cfb1fd25db5cb10c64b0f5947e5909701352140b25aa2981ef6d7e1", kill_on_drop: false }`
[INFO] [stdout] acfa269c8cfb1fd25db5cb10c64b0f5947e5909701352140b25aa2981ef6d7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5b4474b66b8fabad115fa2fc83cb2d63d00f883390098b3d6ff8d59df2fff12
[INFO] running `Command { std: "docker" "start" "-a" "a5b4474b66b8fabad115fa2fc83cb2d63d00f883390098b3d6ff8d59df2fff12", kill_on_drop: false }`
[INFO] [stderr] warning: variable `ALPHABET` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rotx-ccff1d750ab399e8)
[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" "a5b4474b66b8fabad115fa2fc83cb2d63d00f883390098b3d6ff8d59df2fff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b4474b66b8fabad115fa2fc83cb2d63d00f883390098b3d6ff8d59df2fff12", kill_on_drop: false }`
[INFO] [stdout] a5b4474b66b8fabad115fa2fc83cb2d63d00f883390098b3d6ff8d59df2fff12