[INFO] cloning repository https://github.com/skipajenkins/structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skipajenkins/structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskipajenkins%2Fstructs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskipajenkins%2Fstructs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a08beab0e799d694eaa904915311697a6e7ff1e
[INFO] checking skipajenkins/structs against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskipajenkins%2Fstructs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skipajenkins/structs
[INFO] finished tweaking git repo https://github.com/skipajenkins/structs
[INFO] tweaked toml for git repo https://github.com/skipajenkins/structs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skipajenkins/structs on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skipajenkins/structs 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "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 skipajenkins/structs against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskipajenkins%2Fstructs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skipajenkins/structs
[INFO] finished tweaking git repo https://github.com/skipajenkins/structs
[INFO] tweaked toml for git repo https://github.com/skipajenkins/structs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skipajenkins/structs on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skipajenkins/structs 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb
[INFO] running `Command { std: "docker" "start" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |    let mut user2 = User{
[INFO] [stdout]    |        ----^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |    let mut user2 = User{
[INFO] [stdout]    |        ----^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |    let mut user2 = User{
[INFO] [stdout]    |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |    let black = Color(0,0,0);
[INFO] [stdout]    |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |    let mut user2 = User{
[INFO] [stdout]    |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |    let black = Color(0,0,0);
[INFO] [stdout]    |        ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |    let subject = AlwaysEqual;
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |    let Point(x,y,z) = origin;
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |    let subject = AlwaysEqual;
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn build_user(email:String,username: String) -> 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: fields `active`, `username`, and `sign_in_count` are never read
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct User{
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 64 |         active: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 65 |         username: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 66 |         email: String,
[INFO] [stdout] 67 |         sign_in_count:u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Color(i32,i32,i32);
[INFO] [stdout]    |        ----- ^^^ ^^^ ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Rectangle{
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 105 |     width: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 106 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn build_user(email:String,username: String) -> 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: fields `active`, `username`, and `sign_in_count` are never read
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct User{
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 64 |         active: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 65 |         username: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 66 |         email: String,
[INFO] [stdout] 67 |         sign_in_count:u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Color(i32,i32,i32);
[INFO] [stdout]    |        ----- ^^^ ^^^ ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Rectangle{
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 105 |     width: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 106 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` 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 `AREA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |    let AREA = area_of_rectangle(x,y);
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `area`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AREA1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |    let AREA1 = area_of_square(x);
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to snake case: `area1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AREA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |    let AREA = area_of_rectangle(x,y);
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `area`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AREA1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |    let AREA1 = area_of_square(x);
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to snake case: `area1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb", kill_on_drop: false }`
[INFO] [stdout] 43cbc7e88d86a8f24d9ad024a4a434ed89f71f4e912eceef18250657de23b8bb
