[INFO] updating cached repository ljcusack/rust-playpen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ljcusack/rust-playpen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ljcusack/rust-playpen" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ljcusack/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ljcusack/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ljcusack/rust-playpen" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ljcusack/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ljcusack/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de9e77d2d9a207a506493bc2d739ac4e070c4465
[INFO] sha for GitHub repo ljcusack/rust-playpen: de9e77d2d9a207a506493bc2d739ac4e070c4465
[INFO] validating manifest of ljcusack/rust-playpen on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ljcusack/rust-playpen on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ljcusack/rust-playpen
[INFO] finished frobbing ljcusack/rust-playpen
[INFO] frobbed toml for ljcusack/rust-playpen written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ljcusack/rust-playpen/Cargo.toml
[INFO] started frobbing ljcusack/rust-playpen
[INFO] finished frobbing ljcusack/rust-playpen
[INFO] frobbed toml for ljcusack/rust-playpen written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ljcusack/rust-playpen/Cargo.toml
[INFO] crate ljcusack/rust-playpen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ljcusack/rust-playpen against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ljcusack/rust-playpen:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ead0cb693c7ea36c2adf7b4bd3d6e2ab77b717736f60aeb05b6f3d0633f0190c
[INFO] running `"docker" "start" "-a" "ead0cb693c7ea36c2adf7b4bd3d6e2ab77b717736f60aeb05b6f3d0633f0190c"`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: chained comparison operators require parentheses
[INFO] [stderr]  --> src/bin/consumers.rs:3:46
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                              ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: use `::<...>` instead of `<...>` if you meant to specify type arguments
[INFO] [stderr]   = help: or use `(...)` if you meant to specify fn arguments
[INFO] [stderr] 
[INFO] [stderr] error: chained comparison operators require parentheses
[INFO] [stderr]  --> src/bin/consumers.rs:3:46
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                              ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: use `::<...>` instead of `<...>` if you meant to specify type arguments
[INFO] [stderr]   = help: or use `(...)` if you meant to specify fn arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `Vec`
[INFO] [stderr]  --> src/bin/consumers.rs:3:47
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                               ^^^ did you mean `Vec { /* fields */ }`?
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found builtin type `i32`
[INFO] [stderr]  --> src/bin/consumers.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                                   ^^^ not a value
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, found macro `println`
[INFO] [stderr]  --> src/bin/consumers.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Some(_) => println("Found a match!"),
[INFO] [stderr]   |                    ^^^^^^^ help: use `!` to invoke the macro: `println!`
[INFO] [stderr] 
[INFO] [stderr] error[E0615]: attempted to take value of method `collect` on type `std::ops::Range<{integer}>`
[INFO] [stderr]  --> src/bin/consumers.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                       ^^^^^^^ help: use parentheses to call the method: `collect()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0423, E0615.
[INFO] [stderr] For more information about an error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `hello_world`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0423]: expected value, found struct `Vec`
[INFO] [stderr]  --> src/bin/consumers.rs:3:47
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                               ^^^ did you mean `Vec { /* fields */ }`?
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found builtin type `i32`
[INFO] [stderr]  --> src/bin/consumers.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                                   ^^^ not a value
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, found macro `println`
[INFO] [stderr]  --> src/bin/consumers.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Some(_) => println("Found a match!"),
[INFO] [stderr]   |                    ^^^^^^^ help: use `!` to invoke the macro: `println!`
[INFO] [stderr] 
[INFO] [stderr] error[E0615]: attempted to take value of method `collect` on type `std::ops::Range<{integer}>`
[INFO] [stderr]  --> src/bin/consumers.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let one_to_one_hundred = (1..101).collect<Vec<i32>>();
[INFO] [stderr]   |                                       ^^^^^^^ help: use parentheses to call the method: `collect()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0423, E0615.
[INFO] [stderr] For more information about an error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `hello_world`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: field is never used: `size`
[INFO] [stderr]  --> src/bin/list.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     size: i32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `head`
[INFO] [stderr]  --> src/bin/list.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     head: Link<T>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `item`
[INFO] [stderr]  --> src/bin/list.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 |    item: T,
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `next`
[INFO] [stderr]   --> src/bin/list.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 |    next: Link<T>,
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ead0cb693c7ea36c2adf7b4bd3d6e2ab77b717736f60aeb05b6f3d0633f0190c"`
[INFO] running `"docker" "rm" "-f" "ead0cb693c7ea36c2adf7b4bd3d6e2ab77b717736f60aeb05b6f3d0633f0190c"`
[INFO] [stdout] ead0cb693c7ea36c2adf7b4bd3d6e2ab77b717736f60aeb05b6f3d0633f0190c