[INFO] cloning repository https://github.com/itscogo/Symphony-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itscogo/Symphony-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitscogo%2FSymphony-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitscogo%2FSymphony-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc183b77ff6e3a29762bacbe113821a7d9a00905
[INFO] checking itscogo/Symphony-Rust against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitscogo%2FSymphony-Rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/itscogo/Symphony-Rust
[INFO] finished tweaking git repo https://github.com/itscogo/Symphony-Rust
[INFO] tweaked toml for git repo https://github.com/itscogo/Symphony-Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/itscogo/Symphony-Rust on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/itscogo/Symphony-Rust 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4ffe74151cb8670f770ec9dc9634ae17551ef341126cdc6646162ecf8ed464
[INFO] running `Command { std: "docker" "start" "-a" "af4ffe74151cb8670f770ec9dc9634ae17551ef341126cdc6646162ecf8ed464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4ffe74151cb8670f770ec9dc9634ae17551ef341126cdc6646162ecf8ed464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4ffe74151cb8670f770ec9dc9634ae17551ef341126cdc6646162ecf8ed464", kill_on_drop: false }`
[INFO] [stdout] af4ffe74151cb8670f770ec9dc9634ae17551ef341126cdc6646162ecf8ed464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed451e9e8dfca37b4cac7bbf687bb01da5ed4e95b92eed79ac139ea031c24bac
[INFO] running `Command { std: "docker" "start" "-a" "ed451e9e8dfca37b4cac7bbf687bb01da5ed4e95b92eed79ac139ea031c24bac", kill_on_drop: false }`
[INFO] [stderr]     Checking Symphony2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut id_count = 2;
[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:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut id_count = 2;
[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: value assigned to `id_count` is never read
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id_count +=1;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `id`, `status`, `genre`, and `branch` are never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Item{
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 72 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 73 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 74 |     status: Status,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 75 |     genre: Genre,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     branch: Branch,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OnHold` is never constructed
[INFO] [stdout]   --> src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Status {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 83 |     OnHold,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fiction`, `NonFiction`, `Parenting`, `Society`, `Health`, and `Scifi` are never constructed
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum Genre {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 88 |     Fiction,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 89 |     NonFiction, 
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 90 |     Parenting,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     Society,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     Health, 
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 93 |     Scifi,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Genre` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Tarneit`, `Manorlakes`, `Werribee`, and `Williamslanding` are never constructed
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | enum Branch {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 101 |     Tarneit,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 102 |     Manorlakes,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 103 |     Werribee, 
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 104 |     Williamslanding,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Branch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `active`, `charge_history`, and `current_checkouts` are never read
[INFO] [stdout]  --> src/Users.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct User{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub id: u64,
[INFO] [stdout] 5 |     pub active: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub charge_history: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     pub current_checkouts: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Users` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Users; 
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `users`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id_count` is never read
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id_count +=1;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `id`, `status`, `genre`, and `branch` are never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Item{
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 72 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 73 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 74 |     status: Status,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 75 |     genre: Genre,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     branch: Branch,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OnHold` is never constructed
[INFO] [stdout]   --> src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Status {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 83 |     OnHold,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fiction`, `NonFiction`, `Parenting`, `Society`, `Health`, and `Scifi` are never constructed
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum Genre {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 88 |     Fiction,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 89 |     NonFiction, 
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 90 |     Parenting,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     Society,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     Health, 
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 93 |     Scifi,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Genre` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Tarneit`, `Manorlakes`, `Werribee`, and `Williamslanding` are never constructed
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | enum Branch {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 101 |     Tarneit,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 102 |     Manorlakes,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 103 |     Werribee, 
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 104 |     Williamslanding,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Branch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `active`, `charge_history`, and `current_checkouts` are never read
[INFO] [stdout]  --> src/Users.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct User{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub id: u64,
[INFO] [stdout] 5 |     pub active: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub charge_history: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     pub current_checkouts: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Users` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Users; 
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `users`
[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 0.08s
[INFO] running `Command { std: "docker" "inspect" "ed451e9e8dfca37b4cac7bbf687bb01da5ed4e95b92eed79ac139ea031c24bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed451e9e8dfca37b4cac7bbf687bb01da5ed4e95b92eed79ac139ea031c24bac", kill_on_drop: false }`
[INFO] [stdout] ed451e9e8dfca37b4cac7bbf687bb01da5ed4e95b92eed79ac139ea031c24bac
