[INFO] cloning repository https://github.com/vksmgr/com_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vksmgr/com_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvksmgr%2Fcom_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvksmgr%2Fcom_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 124c7a0a402896ea4c95af78beef61c9f5f55785
[INFO] checking vksmgr/com_rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvksmgr%2Fcom_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vksmgr/com_rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vksmgr/com_rust
[INFO] finished tweaking git repo https://github.com/vksmgr/com_rust
[INFO] tweaked toml for git repo https://github.com/vksmgr/com_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vksmgr/com_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] fa04b4a65824d3c17311eb3d1d685f7e38a88f123ff3ab5845f1f8d6c5564565
[INFO] running `Command { std: "docker" "start" "-a" "fa04b4a65824d3c17311eb3d1d685f7e38a88f123ff3ab5845f1f8d6c5564565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa04b4a65824d3c17311eb3d1d685f7e38a88f123ff3ab5845f1f8d6c5564565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa04b4a65824d3c17311eb3d1d685f7e38a88f123ff3ab5845f1f8d6c5564565", kill_on_drop: false }`
[INFO] [stdout] fa04b4a65824d3c17311eb3d1d685f7e38a88f123ff3ab5845f1f8d6c5564565
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d71fbf75d209bba16f9080163af848225c5fd0a55620cc6691c10196dded436
[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" "7d71fbf75d209bba16f9080163af848225c5fd0a55620cc6691c10196dded436", kill_on_drop: false }`
[INFO] [stderr]     Checking com_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `readString` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn readString(strg: &mut Vec<char>) {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt32` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn readInt32() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `read_int32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt16` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn readInt16() -> i16 {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `read_int16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt8` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn readInt8() -> i8 {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `read_int8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readString` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn readString(strg: &mut Vec<char>) {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `read_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt32` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn readInt32() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `read_int32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt16` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn readInt16() -> i16 {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `read_int16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readInt8` should have a snake case name
[INFO] [stdout]   --> src/m-lib/lib.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn readInt8() -> i8 {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `read_int8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/que/strings/solve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/que/strings/solve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strg`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut strg: Vec<char> = Vec::new();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_strg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strg`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut strg: Vec<char> = Vec::new();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_strg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut strg: Vec<char> = Vec::new();
[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:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut strg: Vec<char> = Vec::new();
[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: function is never used: `jumble_letter`
[INFO] [stdout]   --> src/que/strings/solve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn jumble_letter(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let T = readInt32();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `jumble_letter`
[INFO] [stdout]   --> src/que/strings/solve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn jumble_letter(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let T = readInt32();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "7d71fbf75d209bba16f9080163af848225c5fd0a55620cc6691c10196dded436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d71fbf75d209bba16f9080163af848225c5fd0a55620cc6691c10196dded436", kill_on_drop: false }`
[INFO] [stdout] 7d71fbf75d209bba16f9080163af848225c5fd0a55620cc6691c10196dded436