[INFO] cloning repository https://github.com/jurajbsk/foolang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jurajbsk/foolang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/jurajbsk/foolang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jurajbsk/foolang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/jurajbsk/foolang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jurajbsk/foolang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb6d01352c2fdd0af2e1cf2cfd3d6a183cf59a3e
[INFO] checking jurajbsk/foolang against master#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjurajbsk%2Ffoolang" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jurajbsk/foolang on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jurajbsk/foolang
[INFO] finished tweaking git repo https://github.com/jurajbsk/foolang
[INFO] tweaked toml for git repo https://github.com/jurajbsk/foolang written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jurajbsk/foolang 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" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e90bb87106891a31d8663fb3f39ce74a0e9f70d52fd497986ae46abfda24db4
[INFO] running `Command { std: "docker" "start" "-a" "3e90bb87106891a31d8663fb3f39ce74a0e9f70d52fd497986ae46abfda24db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e90bb87106891a31d8663fb3f39ce74a0e9f70d52fd497986ae46abfda24db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e90bb87106891a31d8663fb3f39ce74a0e9f70d52fd497986ae46abfda24db4", kill_on_drop: false }`
[INFO] [stdout] 3e90bb87106891a31d8663fb3f39ce74a0e9f70d52fd497986ae46abfda24db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42c355f8f4b260d3b7eda3a9a41561ec8d25fa787f42a48c8c07a9d249f0f5c
[INFO] running `Command { std: "docker" "start" "-a" "e42c355f8f4b260d3b7eda3a9a41561ec8d25fa787f42a48c8c07a9d249f0f5c", kill_on_drop: false }`
[INFO] [stderr]     Checking foolang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `OPEN_ROUND` should have an upper camel case name
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     OPEN_ROUND,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenRound`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_ROUND` should have an upper camel case name
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CLOSE_ROUND,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseRound`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OPEN_ROUND` should have an upper camel case name
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     OPEN_ROUND,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenRound`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OPEN_SQUARE` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     OPEN_SQUARE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenSquare`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_SQUARE` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CLOSE_SQUARE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseSquare`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OPEN_SQUIGGLY` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OPEN_SQUIGGLY,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenSquiggly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_ROUND` should have an upper camel case name
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CLOSE_ROUND,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseRound`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OPEN_SQUARE` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     OPEN_SQUARE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenSquare`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_SQUARE` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CLOSE_SQUARE,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseSquare`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OPEN_SQUIGGLY` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OPEN_SQUIGGLY,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OpenSquiggly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_SQUIGGLY` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CLOSE_SQUIGGLY,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseSquiggly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLOSE_SQUIGGLY` should have an upper camel case name
[INFO] [stdout]   --> src/lexer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CLOSE_SQUIGGLY,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CloseSquiggly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::AssertUnwindSafe`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::AssertUnwindSafe;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::AssertUnwindSafe`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::AssertUnwindSafe;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FUNCTION_DECL` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     FUNCTION_DECL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FunctionDecl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FUNCTION_DECL` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     FUNCTION_DECL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FunctionDecl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `out_path` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut out_path = String::new();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_out_path` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_path` is never read
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 |             out_path = args[i + 1].clone();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sym` and `val` are never read
[INFO] [stdout]   --> src/parser.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Expr {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 17 |     sym: ExprType,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     val: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/parser.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ASTree {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     val: Expr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ASTree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `out_path` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut out_path = String::new();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_out_path` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_path` is never read
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 |             out_path = args[i + 1].clone();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sym` and `val` are never read
[INFO] [stdout]   --> src/parser.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Expr {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 17 |     sym: ExprType,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     val: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/parser.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ASTree {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     val: Expr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ASTree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e42c355f8f4b260d3b7eda3a9a41561ec8d25fa787f42a48c8c07a9d249f0f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42c355f8f4b260d3b7eda3a9a41561ec8d25fa787f42a48c8c07a9d249f0f5c", kill_on_drop: false }`
[INFO] [stdout] e42c355f8f4b260d3b7eda3a9a41561ec8d25fa787f42a48c8c07a9d249f0f5c