[INFO] cloning repository https://github.com/serhii-lypko/write_rewrite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serhii-lypko/write_rewrite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhii-lypko%2Fwrite_rewrite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhii-lypko%2Fwrite_rewrite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f41dae4ccbd46c783b3e7535c333ee595f391ff0
[INFO] checking serhii-lypko/write_rewrite against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhii-lypko%2Fwrite_rewrite" "/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/serhii-lypko/write_rewrite
[INFO] finished tweaking git repo https://github.com/serhii-lypko/write_rewrite
[INFO] tweaked toml for git repo https://github.com/serhii-lypko/write_rewrite written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/serhii-lypko/write_rewrite on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/serhii-lypko/write_rewrite 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `write_rewrite` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../write_rewrite
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `write-rewrite`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "write_rewrite"
[INFO] [stderr] 5 + name = "write-rewrite"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `write-rewrite`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "write-rewrite"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `write_rewrite` (manifest) generated 1 warning
[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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30
[INFO] running `Command { std: "docker" "start" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `write_rewrite` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../write_rewrite
[INFO] [stderr]   |                          ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `write-rewrite`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "write_rewrite"
[INFO] [stderr] 5 + name = "write-rewrite"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `write-rewrite`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "write-rewrite"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `write_rewrite` (manifest) generated 1 warning
[INFO] [stderr]     Checking write_rewrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `playground`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod playground;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `playground`, create file "src/playground.rs" or "src/playground/mod.rs"
[INFO] [stdout]   = note: if there is a `mod playground` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `playground`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod playground;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `playground`, create file "src/playground.rs" or "src/playground/mod.rs"
[INFO] [stdout]   = note: if there is a `mod playground` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_rhs`
[INFO] [stdout]   --> src/main.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn do_rewrite_step(term: Term, rule_lhs: Term, rule_rhs: Term) {
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]   --> src/main.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (Term::Leaf(constant), Term::Leaf(variable)) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable`
[INFO] [stdout]   --> src/main.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (Term::Leaf(constant), Term::Leaf(variable)) => todo!(),
[INFO] [stdout]    |                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/main.rs:99:38
[INFO] [stdout]    |
[INFO] [stdout] 99 |         (Term::Leaf(_), Term::Node { operator, children }) => todo!(),
[INFO] [stdout]    |                                      ^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/main.rs:99:48
[INFO] [stdout]    |
[INFO] [stdout] 99 |         (Term::Leaf(_), Term::Node { operator, children }) => todo!(),
[INFO] [stdout]    |                                                ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |         (Term::Node { operator, children }, Term::Leaf(_)) => todo!(),
[INFO] [stdout]     |                       ^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/main.rs:100:33
[INFO] [stdout]     |
[INFO] [stdout] 100 |         (Term::Node { operator, children }, Term::Leaf(_)) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_children`
[INFO] [stdout]    --> src/main.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 children: term_children,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_children`
[INFO] [stdout]    --> src/main.rs:108:27
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 children: rule_children,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `write_rewrite` (bin "write_rewrite") due to 1 previous error; 9 warnings emitted
[INFO] [stdout] warning: unused variable: `rule_rhs`
[INFO] [stdout]   --> src/main.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn do_rewrite_step(term: Term, rule_lhs: Term, rule_rhs: Term) {
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]   --> src/main.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (Term::Leaf(constant), Term::Leaf(variable)) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable`
[INFO] [stdout]   --> src/main.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (Term::Leaf(constant), Term::Leaf(variable)) => todo!(),
[INFO] [stdout]    |                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/main.rs:99:38
[INFO] [stdout]    |
[INFO] [stdout] 99 |         (Term::Leaf(_), Term::Node { operator, children }) => todo!(),
[INFO] [stdout]    |                                      ^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/main.rs:99:48
[INFO] [stdout]    |
[INFO] [stdout] 99 |         (Term::Leaf(_), Term::Node { operator, children }) => todo!(),
[INFO] [stdout]    |                                                ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |         (Term::Node { operator, children }, Term::Leaf(_)) => todo!(),
[INFO] [stdout]     |                       ^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/main.rs:100:33
[INFO] [stdout]     |
[INFO] [stdout] 100 |         (Term::Node { operator, children }, Term::Leaf(_)) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_children`
[INFO] [stdout]    --> src/main.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 children: term_children,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_children`
[INFO] [stdout]    --> src/main.rs:108:27
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 children: rule_children,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `write_rewrite` (bin "write_rewrite" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30", kill_on_drop: false }`
[INFO] [stdout] 8d659464b4cb98ca4f3aaf8b4a43dae74a44b19ed66d8f363e84505b51459a30
