[INFO] cloning repository lengstrom/lispy-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/lengstrom/lispy-rust.git" "work/cache/sources/gh/lengstrom/lispy-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lengstrom/lispy-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lengstrom/lispy-rust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lengstrom/lispy-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lengstrom/lispy-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lengstrom/lispy-rust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lengstrom/lispy-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lengstrom/lispy-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06ccd3e35dc863dd7dcf209a91fc4ab808002c75
[INFO] sha for GitHub repo lengstrom/lispy-rust: 06ccd3e35dc863dd7dcf209a91fc4ab808002c75
[INFO] validating manifest of lengstrom/lispy-rust on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lengstrom/lispy-rust on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lengstrom/lispy-rust
[INFO] finished frobbing lengstrom/lispy-rust
[INFO] frobbed toml for lengstrom/lispy-rust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lengstrom/lispy-rust/Cargo.toml
[INFO] started frobbing lengstrom/lispy-rust
[INFO] finished frobbing lengstrom/lispy-rust
[INFO] frobbed toml for lengstrom/lispy-rust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lengstrom/lispy-rust/Cargo.toml
[INFO] crate lengstrom/lispy-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lengstrom/lispy-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lengstrom/lispy-rust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lengstrom/lispy-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 03ce6acd4db54ec02d7cb1bcacdb8badeddd34f53ec4ca9c75f02f0ffa6fbb01
[INFO] running `"docker" "start" "-a" "03ce6acd4db54ec02d7cb1bcacdb8badeddd34f53ec4ca9c75f02f0ffa6fbb01"`
[INFO] [stderr]     Checking lispy-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: expected a literal
[INFO] [stderr]   --> src/main.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |         s = concat!(s, i);
[INFO] [stderr]    |                     ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
[INFO] [stderr] 
[INFO] [stderr] error: expected a literal
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     s = concat!(s, " ]");
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
[INFO] [stderr] 
[INFO] [stderr] error: expected a literal
[INFO] [stderr]   --> src/main.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |         s = concat!(s, i);
[INFO] [stderr]    |                     ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
[INFO] [stderr] 
[INFO] [stderr] error: expected a literal
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     s = concat!(s, " ]");
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn arr2str(a:Vec<&str>) -> &str {
[INFO] [stderr]    |    -------                 ^^^^ expected &str, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    this function's body doesn't return
[INFO] [stderr] ...
[INFO] [stderr] 17 |     s;
[INFO] [stderr]    |      - help: consider removing this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&str`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `lispy-rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn arr2str(a:Vec<&str>) -> &str {
[INFO] [stderr]    |    -------                 ^^^^ expected &str, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    this function's body doesn't return
[INFO] [stderr] ...
[INFO] [stderr] 17 |     s;
[INFO] [stderr]    |      - help: consider removing this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&str`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `lispy-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "03ce6acd4db54ec02d7cb1bcacdb8badeddd34f53ec4ca9c75f02f0ffa6fbb01"`
[INFO] running `"docker" "rm" "-f" "03ce6acd4db54ec02d7cb1bcacdb8badeddd34f53ec4ca9c75f02f0ffa6fbb01"`
[INFO] [stdout] 03ce6acd4db54ec02d7cb1bcacdb8badeddd34f53ec4ca9c75f02f0ffa6fbb01