[INFO] cloning repository https://github.com/keithscubemate/conf_dir_cats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithscubemate/conf_dir_cats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithscubemate%2Fconf_dir_cats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithscubemate%2Fconf_dir_cats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a8b75a0ad5c0de607c2b5bf5cf1b476e24c4d8c
[INFO] checking keithscubemate/conf_dir_cats against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithscubemate%2Fconf_dir_cats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/keithscubemate/conf_dir_cats
[INFO] finished tweaking git repo https://github.com/keithscubemate/conf_dir_cats
[INFO] tweaked toml for git repo https://github.com/keithscubemate/conf_dir_cats written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keithscubemate/conf_dir_cats on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/keithscubemate/conf_dir_cats 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0990cbc5a8de3fc39e93f7de53c6cb1f4c663ff05908d1ac9abb031032a59719
[INFO] running `Command { std: "docker" "start" "-a" "0990cbc5a8de3fc39e93f7de53c6cb1f4c663ff05908d1ac9abb031032a59719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0990cbc5a8de3fc39e93f7de53c6cb1f4c663ff05908d1ac9abb031032a59719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0990cbc5a8de3fc39e93f7de53c6cb1f4c663ff05908d1ac9abb031032a59719", kill_on_drop: false }`
[INFO] [stdout] 0990cbc5a8de3fc39e93f7de53c6cb1f4c663ff05908d1ac9abb031032a59719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78c3d47d66f8bb5966ff18ee47ff495db28db6b9cde3fc406e5286d7c824bbab
[INFO] running `Command { std: "docker" "start" "-a" "78c3d47d66f8bb5966ff18ee47ff495db28db6b9cde3fc406e5286d7c824bbab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking conf_dir_cats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Field {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 74 |     fn new(key: &str, _value: &str, qualified_section: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl QualifiedSection {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 97 |     fn new(qualified_section: String, keys: Vec<(String, String)>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `key_to_camelcase` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn key_to_camelcase(key: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uppercase_first_letter` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn uppercase_first_letter(w: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Field {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 74 |     fn new(key: &str, _value: &str, qualified_section: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl QualifiedSection {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 97 |     fn new(qualified_section: String, keys: Vec<(String, String)>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `key_to_camelcase` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn key_to_camelcase(key: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uppercase_first_letter` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn uppercase_first_letter(w: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "78c3d47d66f8bb5966ff18ee47ff495db28db6b9cde3fc406e5286d7c824bbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c3d47d66f8bb5966ff18ee47ff495db28db6b9cde3fc406e5286d7c824bbab", kill_on_drop: false }`
[INFO] [stdout] 78c3d47d66f8bb5966ff18ee47ff495db28db6b9cde3fc406e5286d7c824bbab