[INFO] cloning repository https://github.com/tech6hutch/lang-compiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tech6hutch/lang-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85fd1f703505ce2e8201738a1272a3a5bfa65d78
[INFO] checking tech6hutch/lang-compiler against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tech6hutch/lang-compiler on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tech6hutch/lang-compiler
[INFO] finished tweaking git repo https://github.com/tech6hutch/lang-compiler
[INFO] tweaked toml for git repo https://github.com/tech6hutch/lang-compiler written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tech6hutch/lang-compiler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f4576a5d0cbf36b77e1c884bcdee46aced610564a763db9c189953d5256f90b
[INFO] running `"docker" "start" "-a" "7f4576a5d0cbf36b77e1c884bcdee46aced610564a763db9c189953d5256f90b"`
[INFO] [stderr]     Checking unicode_names2 v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking lang-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `bigdecimal::BigDecimal`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bigdecimal::BigDecimal;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_bigint::BigInt`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_bigint::BigInt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stderr]  --> src/parser.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fmt::{self, Display, Debug, Formatter},
[INFO] [stderr]   |           ^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bigdecimal::BigDecimal`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bigdecimal::BigDecimal;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_bigint::BigInt`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_bigint::BigInt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stderr]  --> src/parser.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fmt::{self, Display, Debug, Formatter},
[INFO] [stderr]   |           ^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_some`
[INFO] [stderr]  --> src/util.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn if_some<T>(b: bool, t: T) -> Option<T> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_col`
[INFO] [stderr]   --> src/text.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn next_col(&self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TempStr`
[INFO] [stderr]    --> src/lexer.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     TempStr(TemplateStringToken),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn synchronize(iter: MyIterType!()) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_some`
[INFO] [stderr]  --> src/util.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn if_some<T>(b: bool, t: T) -> Option<T> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_col`
[INFO] [stderr]   --> src/text.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn next_col(&self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TempStr`
[INFO] [stderr]    --> src/lexer.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     TempStr(TemplateStringToken),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn synchronize(iter: MyIterType!()) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `"docker" "inspect" "7f4576a5d0cbf36b77e1c884bcdee46aced610564a763db9c189953d5256f90b"`
[INFO] running `"docker" "rm" "-f" "7f4576a5d0cbf36b77e1c884bcdee46aced610564a763db9c189953d5256f90b"`
[INFO] [stdout] 7f4576a5d0cbf36b77e1c884bcdee46aced610564a763db9c189953d5256f90b