[INFO] cloning repository https://github.com/TheLudlows/rust-tour
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheLudlows/rust-tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b306127763f95c397b7b0d85c1039462b71195bd
[INFO] checking TheLudlows/rust-tour against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheLudlows/rust-tour on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheLudlows/rust-tour
[INFO] finished tweaking git repo https://github.com/TheLudlows/rust-tour
[INFO] tweaked toml for git repo https://github.com/TheLudlows/rust-tour written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/TheLudlows/rust-tour already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.members
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 73c5c87b675ca97e11797587ca02520c8a536dcbf3fd4e5f76aacc5bfd8c5ca1
[INFO] running `"docker" "start" "-a" "73c5c87b675ca97e11797587ca02520c8a536dcbf3fd4e5f76aacc5bfd8c5ca1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: package.members
[INFO] [stderr]     Checking rust-tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `struct`
[INFO] [stderr]   --> src/iter.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     assert_eq!(sum,3)
[INFO] [stderr]    |                      - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] ...
[INFO] [stderr] 25 |     struct Counter {
[INFO] [stderr]    |     ^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `struct`
[INFO] [stderr]   --> src/iter.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     assert_eq!(sum,3)
[INFO] [stderr]    |                      - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] ...
[INFO] [stderr] 25 |     struct Counter {
[INFO] [stderr]    |     ^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RefCell`, `Ref`
[INFO] [stderr]  --> src/generic.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::{Ref, RefCell};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/traits.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `person` should have an upper camel case name
[INFO] [stderr]  --> src/mods.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub struct person {
[INFO] [stderr]   |                ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `sex` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub enum sex {
[INFO] [stderr]    |              ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sex`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `m` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         m,
[INFO] [stderr]    |         ^ help: convert the identifier to upper camel case: `M`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `f` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         f,
[INFO] [stderr]    |         ^ help: convert the identifier to upper camel case (notice the capitalization): `F`
[INFO] [stderr] 
[INFO] [stderr] warning: type `enum_` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 |     enum enum_ {
[INFO] [stderr]   |          ^^^^^ help: convert the identifier to upper camel case: `Enum`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         a,
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case: `A`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         b(String),
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `s` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         s { num: u32, name: String },
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case (notice the capitalization): `S`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/thread6.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::utils as u`
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use common::utils as u;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RefCell`, `Ref`
[INFO] [stderr]  --> src/generic.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::{Ref, RefCell};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/traits.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `person` should have an upper camel case name
[INFO] [stderr]  --> src/mods.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub struct person {
[INFO] [stderr]   |                ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `sex` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub enum sex {
[INFO] [stderr]    |              ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sex`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `m` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         m,
[INFO] [stderr]    |         ^ help: convert the identifier to upper camel case: `M`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `f` should have an upper camel case name
[INFO] [stderr]   --> src/mods.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         f,
[INFO] [stderr]    |         ^ help: convert the identifier to upper camel case (notice the capitalization): `F`
[INFO] [stderr] 
[INFO] [stderr] warning: type `enum_` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 |     enum enum_ {
[INFO] [stderr]   |          ^^^^^ help: convert the identifier to upper camel case: `Enum`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         a,
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case: `A`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         b(String),
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `s` should have an upper camel case name
[INFO] [stderr]  --> src/enums.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         s { num: u32, name: String },
[INFO] [stderr]   |         ^ help: convert the identifier to upper camel case (notice the capitalization): `S`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/thread6.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::utils as u`
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use common::utils as u;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/weak3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rust-tour`.
[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 import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/weak3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "73c5c87b675ca97e11797587ca02520c8a536dcbf3fd4e5f76aacc5bfd8c5ca1"`
[INFO] running `"docker" "rm" "-f" "73c5c87b675ca97e11797587ca02520c8a536dcbf3fd4e5f76aacc5bfd8c5ca1"`
[INFO] [stdout] 73c5c87b675ca97e11797587ca02520c8a536dcbf3fd4e5f76aacc5bfd8c5ca1