[INFO] cloning repository https://github.com/FrewtyPebbles/Fulcrum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrewtyPebbles/Fulcrum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrewtyPebbles%2FFulcrum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrewtyPebbles%2FFulcrum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79ee61df0e7efc98f60851d43705ccf5b9cadb44
[INFO] checking FrewtyPebbles/Fulcrum/79ee61df0e7efc98f60851d43705ccf5b9cadb44 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrewtyPebbles%2FFulcrum" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrewtyPebbles/Fulcrum on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrewtyPebbles/Fulcrum
[INFO] finished tweaking git repo https://github.com/FrewtyPebbles/Fulcrum
[INFO] tweaked toml for git repo https://github.com/FrewtyPebbles/Fulcrum written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FrewtyPebbles/Fulcrum 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d3f1e0b80361d02104443edcda89332f4ed66dc6dd47f2266295c05751bd8d
[INFO] running `Command { std: "docker" "start" "-a" "d4d3f1e0b80361d02104443edcda89332f4ed66dc6dd47f2266295c05751bd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d3f1e0b80361d02104443edcda89332f4ed66dc6dd47f2266295c05751bd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d3f1e0b80361d02104443edcda89332f4ed66dc6dd47f2266295c05751bd8d", kill_on_drop: false }`
[INFO] [stdout] d4d3f1e0b80361d02104443edcda89332f4ed66dc6dd47f2266295c05751bd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 141fdebcdd92f900012d1b5855c2e351712132b59b05774e01f87e1f9a70294c
[INFO] running `Command { std: "docker" "start" "-a" "141fdebcdd92f900012d1b5855c2e351712132b59b05774e01f87e1f9a70294c", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking fulcrum v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parts/tokenizer.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for (ln, raw_line) in raw_lines.enumerate() {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cn`
[INFO] [stdout]   --> src/parts/tokenizer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |         for (cn, character) in line.chars().enumerate() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_cn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parts/tokenizer.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for (ln, raw_line) in raw_lines.enumerate() {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cn`
[INFO] [stdout]   --> src/parts/tokenizer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |         for (cn, character) in line.chars().enumerate() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_cn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_list`
[INFO] [stdout]    --> src/parts/parser/standard.rs:564:47
[INFO] [stdout]     |
[INFO] [stdout] 564 |     pub fn foreign_function_interface(&mut self, args_list:Box<Vec<Box<StackNode>>>) -> Box<NodeType> {
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parts/tokenizer.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let line = raw_line.clone().trim().to_string();
[INFO] [stdout]    |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_list`
[INFO] [stdout]    --> src/parts/parser/standard.rs:564:47
[INFO] [stdout]     |
[INFO] [stdout] 564 |     pub fn foreign_function_interface(&mut self, args_list:Box<Vec<Box<StackNode>>>) -> Box<NodeType> {
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parts/tokenizer.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let line = raw_line.clone().trim().to_string();
[INFO] [stdout]    |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "141fdebcdd92f900012d1b5855c2e351712132b59b05774e01f87e1f9a70294c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141fdebcdd92f900012d1b5855c2e351712132b59b05774e01f87e1f9a70294c", kill_on_drop: false }`
[INFO] [stdout] 141fdebcdd92f900012d1b5855c2e351712132b59b05774e01f87e1f9a70294c