[INFO] cloning repository https://github.com/raxeraditya/RustLearnBeginners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raxeraditya/RustLearnBeginners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraxeraditya%2FRustLearnBeginners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraxeraditya%2FRustLearnBeginners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd4ed554ca903f92962aa9cccb6b33e10f50e110
[INFO] checking raxeraditya/RustLearnBeginners against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraxeraditya%2FRustLearnBeginners" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raxeraditya/RustLearnBeginners
[INFO] finished tweaking git repo https://github.com/raxeraditya/RustLearnBeginners
[INFO] tweaked toml for git repo https://github.com/raxeraditya/RustLearnBeginners written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raxeraditya/RustLearnBeginners on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raxeraditya/RustLearnBeginners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking raxeraditya/RustLearnBeginners against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraxeraditya%2FRustLearnBeginners" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raxeraditya/RustLearnBeginners
[INFO] finished tweaking git repo https://github.com/raxeraditya/RustLearnBeginners
[INFO] tweaked toml for git repo https://github.com/raxeraditya/RustLearnBeginners written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raxeraditya/RustLearnBeginners on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raxeraditya/RustLearnBeginners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff73ef1a0b4a0d6c3c5531b909202095a62e3cd7b04f458e052329d86c33cc23
[INFO] running `Command { std: "docker" "start" "-a" "ff73ef1a0b4a0d6c3c5531b909202095a62e3cd7b04f458e052329d86c33cc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff73ef1a0b4a0d6c3c5531b909202095a62e3cd7b04f458e052329d86c33cc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff73ef1a0b4a0d6c3c5531b909202095a62e3cd7b04f458e052329d86c33cc23", kill_on_drop: false }`
[INFO] [stdout] ff73ef1a0b4a0d6c3c5531b909202095a62e3cd7b04f458e052329d86c33cc23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0a465e48f6953910a3704df8ebf30fb69d5d7f16115c6e59449185dbd3ae21
[INFO] running `Command { std: "docker" "start" "-a" "1f0a465e48f6953910a3704df8ebf30fb69d5d7f16115c6e59449185dbd3ae21", kill_on_drop: false }`
[INFO] [stderr]     Checking Hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/my_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `aditya` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aditya,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `Aditya`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/my_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `arpan` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     arpan,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Arpan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `aditya` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aditya,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `Aditya`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `raja` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     raja,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Raja`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `arpan` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     arpan,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Arpan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kishan` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     kishan,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Kishan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `raja` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     raja,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Raja`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     red,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kishan` should have an upper camel case name
[INFO] [stdout]  --> src/my_struct.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     kishan,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Kishan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     green,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     red,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `yellow` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     yellow,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     green,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `yellow` should have an upper camel case name
[INFO] [stdout]   --> src/my_struct.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     yellow,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_method` is never used
[INFO] [stdout]   --> src/my_struct.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn struct_method() -> User {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TuppleStruct` is never constructed
[INFO] [stdout]   --> src/my_struct.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct TuppleStruct(String, u32, String); // tupple struct only pass datatype
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_tupple` is never used
[INFO] [stdout]   --> src/my_struct.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn struct_tupple() -> TuppleStruct {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direct_type_string` is never used
[INFO] [stdout]   --> src/my_struct.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn direct_type_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/my_struct.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_fn` is never used
[INFO] [stdout]   --> src/my_struct.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn new_fn() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area` is never used
[INFO] [stdout]   --> src/my_struct.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn area(rectangle: &Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> src/my_struct.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 84 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 85 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 86 |     year: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Tupple` should have a snake case name
[INFO] [stdout]   --> src/my_struct.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut Tupple = TuppleStruct("hey".to_string(), 32, "bey".to_string());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `tupple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_method` is never used
[INFO] [stdout]   --> src/my_struct.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn struct_method() -> User {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TuppleStruct` is never constructed
[INFO] [stdout]   --> src/my_struct.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct TuppleStruct(String, u32, String); // tupple struct only pass datatype
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_tupple` is never used
[INFO] [stdout]   --> src/my_struct.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn struct_tupple() -> TuppleStruct {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direct_type_string` is never used
[INFO] [stdout]   --> src/my_struct.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn direct_type_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/my_struct.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_fn` is never used
[INFO] [stdout]   --> src/my_struct.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn new_fn() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area` is never used
[INFO] [stdout]   --> src/my_struct.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn area(rectangle: &Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> src/my_struct.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 84 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 85 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 86 |     year: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Tupple` should have a snake case name
[INFO] [stdout]   --> src/my_struct.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut Tupple = TuppleStruct("hey".to_string(), 32, "bey".to_string());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `tupple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "1f0a465e48f6953910a3704df8ebf30fb69d5d7f16115c6e59449185dbd3ae21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0a465e48f6953910a3704df8ebf30fb69d5d7f16115c6e59449185dbd3ae21", kill_on_drop: false }`
[INFO] [stdout] 1f0a465e48f6953910a3704df8ebf30fb69d5d7f16115c6e59449185dbd3ae21
