[INFO] cloning repository https://github.com/mmdv3/logo_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmdv3/logo_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmdv3%2Flogo_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmdv3%2Flogo_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2855db77d5a2cd32734d0f15b2bb588d5a63867
[INFO] checking mmdv3/logo_interpreter against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmdv3%2Flogo_interpreter" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mmdv3/logo_interpreter
[INFO] finished tweaking git repo https://github.com/mmdv3/logo_interpreter
[INFO] tweaked toml for git repo https://github.com/mmdv3/logo_interpreter written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmdv3/logo_interpreter on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mmdv3/logo_interpreter 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 311b1913ad40cdb47ac391a1ef0b795b4fa4923826925569db2bed38890fafb5
[INFO] running `Command { std: "docker" "start" "-a" "311b1913ad40cdb47ac391a1ef0b795b4fa4923826925569db2bed38890fafb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "311b1913ad40cdb47ac391a1ef0b795b4fa4923826925569db2bed38890fafb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311b1913ad40cdb47ac391a1ef0b795b4fa4923826925569db2bed38890fafb5", kill_on_drop: false }`
[INFO] [stdout] 311b1913ad40cdb47ac391a1ef0b795b4fa4923826925569db2bed38890fafb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a0f36f51c71f467638c7090f82866876e632263c1aabb9a18a6294dec4bf27
[INFO] running `Command { std: "docker" "start" "-a" "70a0f36f51c71f467638c7090f82866876e632263c1aabb9a18a6294dec4bf27", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.18.0
[INFO] [stderr]     Checking logo_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/interpreter/parser.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     /// Pairs all of the function labels in the input with their arguments
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     let mut wrapped_tokens = Vec::new();
[INFO] [stdout]    |     ------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/parser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut params: Vec<String>;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/interpreter/parser.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             token => {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expr_finished` is never read
[INFO] [stdout]    --> src/interpreter/parser.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                     expr_finished = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/interpreter.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Token::FnLabel(label) =>
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `labels` is never used
[INFO] [stdout]    --> src/interpreter/parser_types.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Functions {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn labels(&self) -> Vec<&String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `param_prefix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const param_prefix: &str = ":";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - const param_prefix: &str = ":";
[INFO] [stdout] 4 + const PARAM_PREFIX: &str = ":";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fn_def_prefix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const fn_def_prefix: &str = "to";
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const fn_def_prefix: &str = "to";
[INFO] [stdout] 5 + const FN_DEF_PREFIX: &str = "to";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fn_def_suffix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const fn_def_suffix: &str = "end";
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 - const fn_def_suffix: &str = "end";
[INFO] [stdout] 6 + const FN_DEF_SUFFIX: &str = "end";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/interpreter/parser.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     /// Pairs all of the function labels in the input with their arguments
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     let mut wrapped_tokens = Vec::new();
[INFO] [stdout]    |     ------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter/parser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut params: Vec<String>;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/interpreter/parser.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             token => {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expr_finished` is never read
[INFO] [stdout]    --> src/interpreter/parser.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                     expr_finished = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/interpreter.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Token::FnLabel(label) =>
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `labels` is never used
[INFO] [stdout]    --> src/interpreter/parser_types.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Functions {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn labels(&self) -> Vec<&String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `param_prefix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const param_prefix: &str = ":";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - const param_prefix: &str = ":";
[INFO] [stdout] 4 + const PARAM_PREFIX: &str = ":";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fn_def_prefix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const fn_def_prefix: &str = "to";
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const fn_def_prefix: &str = "to";
[INFO] [stdout] 5 + const FN_DEF_PREFIX: &str = "to";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fn_def_suffix` should have an upper case name
[INFO] [stdout]  --> src/interpreter/parser.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const fn_def_suffix: &str = "end";
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 - const fn_def_suffix: &str = "end";
[INFO] [stdout] 6 + const FN_DEF_SUFFIX: &str = "end";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "70a0f36f51c71f467638c7090f82866876e632263c1aabb9a18a6294dec4bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a0f36f51c71f467638c7090f82866876e632263c1aabb9a18a6294dec4bf27", kill_on_drop: false }`
[INFO] [stdout] 70a0f36f51c71f467638c7090f82866876e632263c1aabb9a18a6294dec4bf27
