[INFO] updating cached repository https://github.com/avatsaev/rust-overview
[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] de03672e54dd55117007020e1619daf58f2e2ca7
[INFO] checking avatsaev/rust-overview against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favatsaev%2Frust-overview" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avatsaev/rust-overview on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/avatsaev/rust-overview
[INFO] finished tweaking git repo https://github.com/avatsaev/rust-overview
[INFO] tweaked toml for git repo https://github.com/avatsaev/rust-overview written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/avatsaev/rust-overview already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] bcc8de31a488478421d22c3d9df951be30ba3aa9a9736166fc24903e6e8e52aa
[INFO] running `"docker" "start" "-a" "bcc8de31a488478421d22c3d9df951be30ba3aa9a9736166fc24903e6e8e52aa"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]     Checking overview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     /**
[INFO] [stderr] 95  | |     // let mut vec = vec![1,2,3,5,6,7,8];
[INFO] [stderr] 96  | |     //   let res = borrow_sum(&vec);
[INFO] [stderr] 97  | |     //   println!("Sum of {} values: {}", vec.len(), res );
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | |     // }
[INFO] [stderr] 118 | |     **/
[INFO] [stderr]     | |_______^
[INFO] [stderr] 119 | 
[INFO] [stderr] 120 |       let mut state = MachineState::Normal;
[INFO] [stderr]     |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     /**
[INFO] [stderr] 95  | |     // let mut vec = vec![1,2,3,5,6,7,8];
[INFO] [stderr] 96  | |     //   let res = borrow_sum(&vec);
[INFO] [stderr] 97  | |     //   println!("Sum of {} values: {}", vec.len(), res );
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | |     // }
[INFO] [stderr] 118 | |     **/
[INFO] [stderr]     | |_______^
[INFO] [stderr] 119 | 
[INFO] [stderr] 120 |       let mut state = MachineState::Normal;
[INFO] [stderr]     |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "bcc8de31a488478421d22c3d9df951be30ba3aa9a9736166fc24903e6e8e52aa"`
[INFO] running `"docker" "rm" "-f" "bcc8de31a488478421d22c3d9df951be30ba3aa9a9736166fc24903e6e8e52aa"`
[INFO] [stdout] bcc8de31a488478421d22c3d9df951be30ba3aa9a9736166fc24903e6e8e52aa