[INFO] updating cached repository PabloReszczynski/Clank
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PabloReszczynski/Clank
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PabloReszczynski/Clank" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/PabloReszczynski/Clank"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/PabloReszczynski/Clank'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PabloReszczynski/Clank" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/PabloReszczynski/Clank"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/PabloReszczynski/Clank'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68edacc440fe529d97afb3c6bd2bd676b30ac53b
[INFO] sha for GitHub repo PabloReszczynski/Clank: 68edacc440fe529d97afb3c6bd2bd676b30ac53b
[INFO] validating manifest of PabloReszczynski/Clank on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PabloReszczynski/Clank on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PabloReszczynski/Clank
[INFO] finished frobbing PabloReszczynski/Clank
[INFO] frobbed toml for PabloReszczynski/Clank written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/PabloReszczynski/Clank/Cargo.toml
[INFO] started frobbing PabloReszczynski/Clank
[INFO] finished frobbing PabloReszczynski/Clank
[INFO] frobbed toml for PabloReszczynski/Clank written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/PabloReszczynski/Clank/Cargo.toml
[INFO] crate PabloReszczynski/Clank already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking PabloReszczynski/Clank against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/PabloReszczynski/Clank:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6b2ec88ba7f9ac754783807b5a14bdab5f2c8c18774e45e9766d09f0c7a013b7
[INFO] running `"docker" "start" "-a" "6b2ec88ba7f9ac754783807b5a14bdab5f2c8c18774e45e9766d09f0c7a013b7"`
[INFO] [stderr]     Checking clank v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/parser.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let src = String::from("(+ 1 2)");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/parser.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let t1 = String::from("+");
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]   --> src/parser.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let t2 = String::from("1");
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_t2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t3`
[INFO] [stderr]   --> src/parser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let t3 = String::from("2");
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_t3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t4`
[INFO] [stderr]   --> src/parser.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let t4 = String::from("(");
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_t4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t5`
[INFO] [stderr]   --> src/parser.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let t5 = String::from(")");
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_t5`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LispVal`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum LispVal<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_val`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn show_val(val: &LispVal) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_list`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn show_list(contents: &LinkedList<&LispVal>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "6b2ec88ba7f9ac754783807b5a14bdab5f2c8c18774e45e9766d09f0c7a013b7"`
[INFO] running `"docker" "rm" "-f" "6b2ec88ba7f9ac754783807b5a14bdab5f2c8c18774e45e9766d09f0c7a013b7"`
[INFO] [stdout] 6b2ec88ba7f9ac754783807b5a14bdab5f2c8c18774e45e9766d09f0c7a013b7