[INFO] fetching crate yaanhyy_rust 0.1.0...
[INFO] checking yaanhyy_rust-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate yaanhyy_rust 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yaanhyy_rust 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaanhyy_rust 0.1.0
[INFO] finished tweaking crates.io crate yaanhyy_rust 0.1.0
[INFO] tweaked toml for crates.io crate yaanhyy_rust 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d12d09a0dc1e184b26ca84f4a716f23e34391a550e21d5b735a57ea123b376c6
[INFO] running `Command { std: "docker" "start" "-a" "d12d09a0dc1e184b26ca84f4a716f23e34391a550e21d5b735a57ea123b376c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12d09a0dc1e184b26ca84f4a716f23e34391a550e21d5b735a57ea123b376c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12d09a0dc1e184b26ca84f4a716f23e34391a550e21d5b735a57ea123b376c6", kill_on_drop: false }`
[INFO] [stdout] d12d09a0dc1e184b26ca84f4a716f23e34391a550e21d5b735a57ea123b376c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a98120326ae8b4ec051a237155d01758b941ca7099cbc9f402c3c18688dc08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45a98120326ae8b4ec051a237155d01758b941ca7099cbc9f402c3c18688dc08", kill_on_drop: false }`
[INFO] [stderr]     Checking yaanhyy_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `sound` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct sound {
[INFO] [stdout]   |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sound`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sound` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct sound {
[INFO] [stdout]   |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sound`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut actor = String::from("Gai");
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut v = sound::sound{actor,age:35,};
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut actor = String::from("Gai");
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut v = sound::sound{actor,age:35,};
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Gai` should have a snake case name
[INFO] [stdout]  --> src/actor.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |             pub fn Gai() {
[INFO] [stdout]   |                    ^^^ help: convert the identifier to snake case: `gai`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SUP` should have a snake case name
[INFO] [stdout]  --> src/actor.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |             pub fn SUP() {
[INFO] [stdout]   |                    ^^^ help: convert the identifier to snake case: `sup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Gai` should have a snake case name
[INFO] [stdout]  --> src/actor.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |             pub fn Gai() {
[INFO] [stdout]   |                    ^^^ help: convert the identifier to snake case: `gai`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SUP` should have a snake case name
[INFO] [stdout]  --> src/actor.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |             pub fn SUP() {
[INFO] [stdout]   |                    ^^^ help: convert the identifier to snake case: `sup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "45a98120326ae8b4ec051a237155d01758b941ca7099cbc9f402c3c18688dc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a98120326ae8b4ec051a237155d01758b941ca7099cbc9f402c3c18688dc08", kill_on_drop: false }`
[INFO] [stdout] 45a98120326ae8b4ec051a237155d01758b941ca7099cbc9f402c3c18688dc08