[INFO] cloning repository https://github.com/nikita-skobov/context-based-variable-substitution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikita-skobov/context-based-variable-substitution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Fcontext-based-variable-substitution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Fcontext-based-variable-substitution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c7b2f2db643ee2f665354ac3662334a0c16bfe4
[INFO] testing nikita-skobov/context-based-variable-substitution against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Fcontext-based-variable-substitution" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikita-skobov/context-based-variable-substitution 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/nikita-skobov/context-based-variable-substitution
[INFO] finished tweaking git repo https://github.com/nikita-skobov/context-based-variable-substitution
[INFO] tweaked toml for git repo https://github.com/nikita-skobov/context-based-variable-substitution written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nikita-skobov/context-based-variable-substitution 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 9247112e30214b181a77b3ce5def5123857879c2573e315f3f58652d8d9eaadc
[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" "9247112e30214b181a77b3ce5def5123857879c2573e315f3f58652d8d9eaadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9247112e30214b181a77b3ce5def5123857879c2573e315f3f58652d8d9eaadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9247112e30214b181a77b3ce5def5123857879c2573e315f3f58652d8d9eaadc", kill_on_drop: false }`
[INFO] [stdout] 9247112e30214b181a77b3ce5def5123857879c2573e315f3f58652d8d9eaadc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e08658b034ff6dea528f65fbc5bde9f8c8f568d27ee3b16985b19a3b2694c41f
[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" "e08658b034ff6dea528f65fbc5bde9f8c8f568d27ee3b16985b19a3b2694c41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.19
[INFO] [stderr]    Compiling regex v1.4.0
[INFO] [stderr]    Compiling context_based_variable_substitution v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/lib.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, string::ToString, hash::Hash};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     FM_ignore,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     FM_panic,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_default` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_callback` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     FM_callback(F),
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FmCallback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     FM_ignore,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     FM_panic,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_default` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "e08658b034ff6dea528f65fbc5bde9f8c8f568d27ee3b16985b19a3b2694c41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08658b034ff6dea528f65fbc5bde9f8c8f568d27ee3b16985b19a3b2694c41f", kill_on_drop: false }`
[INFO] [stdout] e08658b034ff6dea528f65fbc5bde9f8c8f568d27ee3b16985b19a3b2694c41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7971485817e9081a135831fa75806daae837e6cc6cd55cfa655070e7535ae563
[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" "7971485817e9081a135831fa75806daae837e6cc6cd55cfa655070e7535ae563", kill_on_drop: false }`
[INFO] [stderr]    Compiling context_based_variable_substitution v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/lib.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, string::ToString, hash::Hash};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     FM_ignore,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     FM_panic,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_default` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_callback` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     FM_callback(F),
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FmCallback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     FM_ignore,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     FM_panic,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FM_default` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lib.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let expected = "this is my custom_context";
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replaced`
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let replaced = replace_all_from(text, &context, FailureMode::FM_panic, None);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replaced`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `syntax_char`
[INFO] [stdout]    --> src/lib.rs:282:49
[INFO] [stdout]     |
[INFO] [stdout] 282 |         fn get_value_from_key(&self, key: &str, syntax_char: char) -> Option<String> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_syntax_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:429:42
[INFO] [stdout]     |
[INFO] [stdout] 429 |             fn get_value_from_key(&self, key: &str, syntax_char: char) -> Option<String> {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "7971485817e9081a135831fa75806daae837e6cc6cd55cfa655070e7535ae563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7971485817e9081a135831fa75806daae837e6cc6cd55cfa655070e7535ae563", kill_on_drop: false }`
[INFO] [stdout] 7971485817e9081a135831fa75806daae837e6cc6cd55cfa655070e7535ae563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2fcafd9f06443edd529771fb4172ff1828a6bc818adaa97de447251703972780
[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" "2fcafd9f06443edd529771fb4172ff1828a6bc818adaa97de447251703972780", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/lib.rs:1:51
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, string::ToString, hash::Hash};
[INFO] [stderr]   |                                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     FM_ignore,
[INFO] [stderr]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     FM_panic,
[INFO] [stderr]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variant `FM_default` should have an upper camel case name
[INFO] [stdout] running 14 tests
[INFO] [stderr]    --> src/lib.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     FM_default(String),
[INFO] [stderr]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_callback` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     FM_callback(F),
[INFO] [stderr]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FmCallback`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     FM_ignore,
[INFO] [stderr]     |     ^^^^^^^^^ help: convert the identifier to upper camel case: `FmIgnore`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_panic` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     FM_panic,
[INFO] [stderr]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FmPanic`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FM_default` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     FM_default(String),
[INFO] [stderr]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> src/lib.rs:355:13
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let expected = "this is my custom_context";
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `replaced`
[INFO] [stderr]    --> src/lib.rs:356:13
[INFO] [stderr]     |
[INFO] [stderr] 356 |         let replaced = replace_all_from(text, &context, FailureMode::FM_panic, None);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replaced`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `syntax_char`
[INFO] [stderr]    --> src/lib.rs:282:49
[INFO] [stderr]     |
[INFO] [stderr] 282 |         fn get_value_from_key(&self, key: &str, syntax_char: char) -> Option<String> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_syntax_char`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:429:42
[INFO] [stderr]     |
[INFO] [stderr] 429 |             fn get_value_from_key(&self, key: &str, syntax_char: char) -> Option<String> {
[INFO] [stderr]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: `context_based_variable_substitution` (lib test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/context_based_variable_substitution-13b1da1e7a54f34e)
[INFO] [stdout] test tests::calls_context_with_syntax_character ... ok
[INFO] [stdout] test tests::default_dynamic_doesnt_override_original_key ... ok
[INFO] [stdout] test tests::replace_from_callback_works ... ok
[INFO] [stdout] test tests::replaces_from_custom_contexts ... ok
[INFO] [stdout] test tests::replaces_from_simple_vec_contexts ... ok
[INFO] [stdout] test tests::returns_as_is_if_nothing_to_replace ... ok
[INFO] [stdout] test tests::should_leave_failed_key_if_mode_is_ignore ... ok
[INFO] [stdout] test tests::replace_from_hashmap_works ... ok
[INFO] [stdout] test tests::uses_dollar_sign_as_default_syntax_char ... ok
[INFO] [stdout] test tests::whitespace_doesnt_count_as_syntax_char ... ok
[INFO] [stdout] test tests::can_use_default_dynamically ... ok
[INFO] [stdout] test tests::can_use_default_syntax_from_text ... ok
[INFO] [stdout] test tests::can_use_default_value_if_mode_is_default ... ok
[INFO] [stdout] test tests::failure_mode_panic_if_failed_to_find_value_for_key - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fcafd9f06443edd529771fb4172ff1828a6bc818adaa97de447251703972780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcafd9f06443edd529771fb4172ff1828a6bc818adaa97de447251703972780", kill_on_drop: false }`
[INFO] [stdout] 2fcafd9f06443edd529771fb4172ff1828a6bc818adaa97de447251703972780