[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] 125621371968bab041c27fad95e8f25d43a9ef64
[INFO] checking nikita-skobov/context-based-variable-substitution against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Fcontext-based-variable-substitution" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikita-skobov/context-based-variable-substitution on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-0/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a8c98287007cd86cc32c94fdb85bc79bbe959b0b8ec7b0efbefd8791ab6f2b
[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" "82a8c98287007cd86cc32c94fdb85bc79bbe959b0b8ec7b0efbefd8791ab6f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a8c98287007cd86cc32c94fdb85bc79bbe959b0b8ec7b0efbefd8791ab6f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a8c98287007cd86cc32c94fdb85bc79bbe959b0b8ec7b0efbefd8791ab6f2b", kill_on_drop: false }`
[INFO] [stdout] 82a8c98287007cd86cc32c94fdb85bc79bbe959b0b8ec7b0efbefd8791ab6f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d0f6aadff1a8a916048ed2dde50c3302a6b674a41659a1bcf7fc32b6e1d7e32
[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" "5d0f6aadff1a8a916048ed2dde50c3302a6b674a41659a1bcf7fc32b6e1d7e32", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.19
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.4.0
[INFO] [stderr]     Checking context_based_variable_substitution v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FM_ignore` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     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:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `syntax_char`
[INFO] [stdout]   --> src/lib.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     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]    = note: `#[warn(unused_variables)]` 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:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     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:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     FM_default(String),
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `FmDefault`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `syntax_char`
[INFO] [stdout]   --> src/lib.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lib.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let expected = "this is my custom_context";
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replaced`
[INFO] [stdout]    --> src/lib.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |         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:235:49
[INFO] [stdout]     |
[INFO] [stdout] 235 |         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:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |             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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "5d0f6aadff1a8a916048ed2dde50c3302a6b674a41659a1bcf7fc32b6e1d7e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0f6aadff1a8a916048ed2dde50c3302a6b674a41659a1bcf7fc32b6e1d7e32", kill_on_drop: false }`
[INFO] [stdout] 5d0f6aadff1a8a916048ed2dde50c3302a6b674a41659a1bcf7fc32b6e1d7e32