[INFO] cloning repository https://github.com/nochgon/enigma_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nochgon/enigma_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnochgon%2Fenigma_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnochgon%2Fenigma_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de4dbce9c576df5801e93ec893c8b7eca6fa32e1
[INFO] checking nochgon/enigma_rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnochgon%2Fenigma_rust" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nochgon/enigma_rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nochgon/enigma_rust
[INFO] finished tweaking git repo https://github.com/nochgon/enigma_rust
[INFO] tweaked toml for git repo https://github.com/nochgon/enigma_rust written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/nochgon/enigma_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc733b54580127ce8c3aac0863e49b9103842bef064d2eaa76f8c4bf56dd5aee
[INFO] running `Command { std: "docker" "start" "-a" "dc733b54580127ce8c3aac0863e49b9103842bef064d2eaa76f8c4bf56dd5aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc733b54580127ce8c3aac0863e49b9103842bef064d2eaa76f8c4bf56dd5aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc733b54580127ce8c3aac0863e49b9103842bef064d2eaa76f8c4bf56dd5aee", kill_on_drop: false }`
[INFO] [stdout] dc733b54580127ce8c3aac0863e49b9103842bef064d2eaa76f8c4bf56dd5aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0dd2a006ac4edcfd29cbc1970877e6648e09b9e0370f62ad2a2087468d7ebf1
[INFO] running `Command { std: "docker" "start" "-a" "b0dd2a006ac4edcfd29cbc1970877e6648e09b9e0370f62ad2a2087468d7ebf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking enigma_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `code_map`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let code_map = enigma::parts::code_map::create("alphabet");
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_code_map`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map_char`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     map_char: HashMap<char, i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map_char_rev`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     map_char_rev: HashMap<i32, char>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert_to_code`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn convert_to_code(&self, char: &char) -> &i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert_to_char`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn convert_to_char(&self, code: &i32) -> &char {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_char_target`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_char_target(&self, char: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code_map`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let code_map = enigma::parts::code_map::create("alphabet");
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_code_map`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_char_target`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_char_target(&self, char: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "b0dd2a006ac4edcfd29cbc1970877e6648e09b9e0370f62ad2a2087468d7ebf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0dd2a006ac4edcfd29cbc1970877e6648e09b9e0370f62ad2a2087468d7ebf1", kill_on_drop: false }`
[INFO] [stdout] b0dd2a006ac4edcfd29cbc1970877e6648e09b9e0370f62ad2a2087468d7ebf1