[INFO] updating cached repository https://github.com/Undin/features-2018-3
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 798fbdf8cf367be2670386ff2cf105f1a589876a
[INFO] checking Undin/features-2018-3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndin%2Ffeatures-2018-3" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Undin/features-2018-3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Undin/features-2018-3
[INFO] finished tweaking git repo https://github.com/Undin/features-2018-3
[INFO] tweaked toml for git repo https://github.com/Undin/features-2018-3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Undin/features-2018-3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 4747283a3aa6aba695459048caa3581acda3bd9c8f8e4f0fed0648d0a4f11937
[INFO] running `"docker" "start" "-a" "4747283a3aa6aba695459048caa3581acda3bd9c8f8e4f0fed0648d0a4f11937"`
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking features-2018-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `weak`
[INFO] [stderr]  --> examples/debug_rc.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let weak = Rc::downgrade(&rc2);
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_weak`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `weak2`
[INFO] [stderr]   --> examples/debug_rc.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let weak2 = Arc::downgrade(&arc2);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_weak2`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fact`
[INFO] [stderr]  --> examples/tests.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn fact(n: u32) -> u32 {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `std::io::Stdin` in the current scope
[INFO] [stderr]    --> examples/inspections.rs:6:13
[INFO] [stderr]     |
[INFO] [stderr] 6   |     stdin().read/*caret*/(&mut buf); // pres Alt + Enter to import `Read` trait
[INFO] [stderr]     |             ^^^^ method not found in `std::io::Stdin`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::io::Read;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error[E0432]: unresolved import `diesel`
[INFO] [stderr]  --> examples/actions_and_intentions.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use diesel::Connection;
[INFO] [stderr]   |     ^^^^^^ maybe a missing crate `diesel`?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `point::Point3D`
[INFO] [stderr]  --> examples/actions_and_intentions.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use point::Point3D;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `point::Point2D`
[INFO] [stderr]  --> examples/actions_and_intentions.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use point::Point2D; // Cmd+Alt+O to optimize imports.
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/debug_vec.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut v = all_primes(10000);
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `features-2018-3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> examples/debug_cell.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let y = 1;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `yy`
[INFO] [stderr]   --> examples/debug_cell.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let yy = 2;
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_yy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> examples/debug_cell.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let r = ref_cell.borrow();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> examples/actions_and_intentions.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | fn main() {
[INFO] [stderr]    |           - expected `()` because of default return type
[INFO] [stderr] ...
[INFO] [stderr] 13 |         s.remove(0)
[INFO] [stderr]    |         ^^^^^^^^^^^- help: try adding a semicolon: `;`
[INFO] [stderr]    |         |
[INFO] [stderr]    |         expected `()`, found `char`
[INFO] [stderr] 
[INFO] [stderr] error[E0615]: attempted to take value of method `iter` on type `std::vec::Vec<u8>`
[INFO] [stderr]   --> examples/actions_and_intentions.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |     v.iter // Ctrl+Space -> select `iter`
[INFO] [stderr]    |       ^^^^ method, not a field
[INFO] [stderr]    |
[INFO] [stderr] help: use parentheses to call the method
[INFO] [stderr]    |
[INFO] [stderr] 19 |     v.iter() // Ctrl+Space -> select `iter`
[INFO] [stderr]    |           ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0615.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `features-2018-3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: cannot find type `table` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.3/src/macros/mod.rs:751:42
[INFO] [stderr]     |
[INFO] [stderr] 751 |             #[derive(Debug, Clone, Copy, QueryId)]
[INFO] [stderr]     |                                          ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(proc_macro_derive_resolution_fallback)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot find type `table` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.3/src/macros/mod.rs:751:42
[INFO] [stderr]     |
[INFO] [stderr] 751 |             #[derive(Debug, Clone, Copy, QueryId)]
[INFO] [stderr]     |                                          ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot find type `user_id` in this scope
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.3/src/macros/mod.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |         #[derive(Debug, Clone, Copy, QueryId, Default)]
[INFO] [stderr]   |                                      ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot find type `post_id` in this scope
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.3/src/macros/mod.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |         #[derive(Debug, Clone, Copy, QueryId, Default)]
[INFO] [stderr]   |                                      ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot find type `favorited` in this scope
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.3/src/macros/mod.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |         #[derive(Debug, Clone, Copy, QueryId, Default)]
[INFO] [stderr]   |                                      ^^^^^^^ names from parent modules are not accessible without an explicit import
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4747283a3aa6aba695459048caa3581acda3bd9c8f8e4f0fed0648d0a4f11937"`
[INFO] running `"docker" "rm" "-f" "4747283a3aa6aba695459048caa3581acda3bd9c8f8e4f0fed0648d0a4f11937"`
[INFO] [stdout] 4747283a3aa6aba695459048caa3581acda3bd9c8f8e4f0fed0648d0a4f11937
