[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#f17e3a389e192f83fe27a581774a9d1dbb8e565b for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnochgon%2Fenigma_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nochgon/enigma_rust on toolchain f17e3a389e192f83fe27a581774a9d1dbb8e565b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be84e5146286f85e4cd1e8a574d5010382b3fac7b7a28fb698620163ec4c89ba
[INFO] running `Command { std: "docker" "start" "-a" "be84e5146286f85e4cd1e8a574d5010382b3fac7b7a28fb698620163ec4c89ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be84e5146286f85e4cd1e8a574d5010382b3fac7b7a28fb698620163ec4c89ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be84e5146286f85e4cd1e8a574d5010382b3fac7b7a28fb698620163ec4c89ba", kill_on_drop: false }`
[INFO] [stdout] be84e5146286f85e4cd1e8a574d5010382b3fac7b7a28fb698620163ec4c89ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6724e0257c5bcfba2733e25dcc3cf1172708bfa2c62879d30b55af23065db2e
[INFO] running `Command { std: "docker" "start" "-a" "f6724e0257c5bcfba2733e25dcc3cf1172708bfa2c62879d30b55af23065db2e", kill_on_drop: false }`
[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: fields `map_char` and `map_char_rev` are never read
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct CodeMap {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 36 |     map_char: HashMap<char, i32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 37 |     map_char_rev: HashMap<i32, char>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `convert_to_code`, `convert_to_char`, `is_char_target`, and `size` are never used
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl CodeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 41 |     pub fn convert_to_code(&self, char: &char) -> &i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn convert_to_char(&self, code: &i32) -> &char {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn is_char_target(&self, char: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[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: methods `is_char_target` and `size` are never used
[INFO] [stdout]   --> src/enigma/parts/code_map.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl CodeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn is_char_target(&self, char: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f6724e0257c5bcfba2733e25dcc3cf1172708bfa2c62879d30b55af23065db2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6724e0257c5bcfba2733e25dcc3cf1172708bfa2c62879d30b55af23065db2e", kill_on_drop: false }`
[INFO] [stdout] f6724e0257c5bcfba2733e25dcc3cf1172708bfa2c62879d30b55af23065db2e