[INFO] cloning repository https://github.com/re-oh/po_api_all
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/re-oh/po_api_all" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fpo_api_all", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fpo_api_all'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e747c51823711c7ba65d32c01692cbed97e1cab3
[INFO] testing re-oh/po_api_all against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fpo_api_all" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/re-oh/po_api_all
[INFO] finished tweaking git repo https://github.com/re-oh/po_api_all
[INFO] tweaked toml for git repo https://github.com/re-oh/po_api_all written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/re-oh/po_api_all on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/re-oh/po_api_all 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusqlite v0.31.0
[INFO] [stderr]   Downloaded actix-http v3.7.0
[INFO] [stderr]   Downloaded actix-web v4.7.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51fb7e3178fcc743843dc6f7d358325b334dfa9f1fd06272ccd8c507dd7aeea1
[INFO] running `Command { std: "docker" "start" "-a" "51fb7e3178fcc743843dc6f7d358325b334dfa9f1fd06272ccd8c507dd7aeea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51fb7e3178fcc743843dc6f7d358325b334dfa9f1fd06272ccd8c507dd7aeea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fb7e3178fcc743843dc6f7d358325b334dfa9f1fd06272ccd8c507dd7aeea1", kill_on_drop: false }`
[INFO] [stdout] 51fb7e3178fcc743843dc6f7d358325b334dfa9f1fd06272ccd8c507dd7aeea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3786a29249c39cf65a6567cdd8a4de0b06cbd9c508955d3c382c1bc73d8d9ea4
[INFO] running `Command { std: "docker" "start" "-a" "3786a29249c39cf65a6567cdd8a4de0b06cbd9c508955d3c382c1bc73d8d9ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-router v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]    Compiling actix-web-codegen v4.3.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling actix-rt v2.10.0
[INFO] [stderr]    Compiling actix-server v2.4.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling actix-codec v0.5.2
[INFO] [stderr]    Compiling zstd v0.13.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling actix-http v3.7.0
[INFO] [stderr]    Compiling rusqlite v0.31.0
[INFO] [stderr]    Compiling actix-web v4.7.0
[INFO] [stderr]    Compiling po_api_all v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Json` and `get`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     web::{self, get, Json},
[INFO] [stdout]   |                 ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Post`
[INFO] [stdout]  --> src/main.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use content_manager::{ContentManager, Id, IntermediatePost, Post};
[INFO] [stdout]   |                                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::web::post`
[INFO] [stdout]  --> src/content_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::web::post;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Row`
[INFO] [stdout]  --> src/database_manager.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rusqlite::{params, Connection, Result, Row};
[INFO] [stdout]   |                                    ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut content_manager = data.content_manager.lock().unwrap();
[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:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut content_manager = data.content_manager.lock().unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     if let Some(err) = content_manager.delete_post(
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_admin` is never used
[INFO] [stdout]   --> src/content_manager.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Account {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_admin(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |     PostDoesntExist(Id),
[INFO] [stdout]    |     --------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 93 -     PostDoesntExist(Id),
[INFO] [stdout] 93 +     PostDoesntExist(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     IndalidPostId(Id),
[INFO] [stdout]    |     ------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 94 -     IndalidPostId(Id),
[INFO] [stdout] 94 +     IndalidPostId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |     AccountDoesntExist(Id),
[INFO] [stdout]    |     ------------------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 95 -     AccountDoesntExist(Id),
[INFO] [stdout] 95 +     AccountDoesntExist(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     InvalidAccountId(Id),
[INFO] [stdout]    |     ---------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -     InvalidAccountId(Id),
[INFO] [stdout] 96 +     InvalidAccountId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_add_account` is never used
[INFO] [stdout]    --> src/database_manager.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl DatabaseManager {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn query_add_account(&mut self, username: String, password: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/content_manager.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.79s
[INFO] running `Command { std: "docker" "inspect" "3786a29249c39cf65a6567cdd8a4de0b06cbd9c508955d3c382c1bc73d8d9ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3786a29249c39cf65a6567cdd8a4de0b06cbd9c508955d3c382c1bc73d8d9ea4", kill_on_drop: false }`
[INFO] [stdout] 3786a29249c39cf65a6567cdd8a4de0b06cbd9c508955d3c382c1bc73d8d9ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd46097a60ddba3f0c92becc7333ce7637810ad1656dbba4781dd743b576073
[INFO] running `Command { std: "docker" "start" "-a" "abd46097a60ddba3f0c92becc7333ce7637810ad1656dbba4781dd743b576073", kill_on_drop: false }`
[INFO] [stderr]    Compiling po_api_all v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Json` and `get`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     web::{self, get, Json},
[INFO] [stdout]   |                 ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Post`
[INFO] [stdout]  --> src/main.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use content_manager::{ContentManager, Id, IntermediatePost, Post};
[INFO] [stdout]   |                                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::web::post`
[INFO] [stdout]  --> src/content_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::web::post;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Row`
[INFO] [stdout]  --> src/database_manager.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rusqlite::{params, Connection, Result, Row};
[INFO] [stdout]   |                                    ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut content_manager = data.content_manager.lock().unwrap();
[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:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut content_manager = data.content_manager.lock().unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     if let Some(err) = content_manager.delete_post(
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_admin` is never used
[INFO] [stdout]   --> src/content_manager.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Account {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_admin(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |     PostDoesntExist(Id),
[INFO] [stdout]    |     --------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 93 -     PostDoesntExist(Id),
[INFO] [stdout] 93 +     PostDoesntExist(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     IndalidPostId(Id),
[INFO] [stdout]    |     ------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 94 -     IndalidPostId(Id),
[INFO] [stdout] 94 +     IndalidPostId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |     AccountDoesntExist(Id),
[INFO] [stdout]    |     ------------------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 95 -     AccountDoesntExist(Id),
[INFO] [stdout] 95 +     AccountDoesntExist(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/content_manager.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     InvalidAccountId(Id),
[INFO] [stdout]    |     ---------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -     InvalidAccountId(Id),
[INFO] [stdout] 96 +     InvalidAccountId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_add_account` is never used
[INFO] [stdout]    --> src/database_manager.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl DatabaseManager {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn query_add_account(&mut self, username: String, password: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/content_manager.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "abd46097a60ddba3f0c92becc7333ce7637810ad1656dbba4781dd743b576073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd46097a60ddba3f0c92becc7333ce7637810ad1656dbba4781dd743b576073", kill_on_drop: false }`
[INFO] [stdout] abd46097a60ddba3f0c92becc7333ce7637810ad1656dbba4781dd743b576073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26eccb115c5eacc4c103787b0fe1f9d554ae6bc1db1fab397b24482f2180bd02
[INFO] running `Command { std: "docker" "start" "-a" "26eccb115c5eacc4c103787b0fe1f9d554ae6bc1db1fab397b24482f2180bd02", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Json` and `get`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     web::{self, get, Json},
[INFO] [stderr]   |                 ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Post`
[INFO] [stderr]  --> src/main.rs:6:61
[INFO] [stderr]   |
[INFO] [stderr] 6 | use content_manager::{ContentManager, Id, IntermediatePost, Post};
[INFO] [stderr]   |                                                             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix_web::web::post`
[INFO] [stderr]  --> src/content_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use actix_web::web::post;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result` and `Row`
[INFO] [stderr]  --> src/database_manager.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rusqlite::{params, Connection, Result, Row};
[INFO] [stderr]   |                                    ^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut content_manager = data.content_manager.lock().unwrap();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut content_manager = data.content_manager.lock().unwrap();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |     if let Some(err) = content_manager.delete_post(
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_admin` is never used
[INFO] [stderr]   --> src/content_manager.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl Account {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn is_admin(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/content_manager.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |     PostDoesntExist(Id),
[INFO] [stderr]    |     --------------- ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 93 -     PostDoesntExist(Id),
[INFO] [stderr] 93 +     PostDoesntExist(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/content_manager.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 |     IndalidPostId(Id),
[INFO] [stderr]    |     ------------- ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 94 -     IndalidPostId(Id),
[INFO] [stderr] 94 +     IndalidPostId(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/content_manager.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |     AccountDoesntExist(Id),
[INFO] [stderr]    |     ------------------ ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 95 -     AccountDoesntExist(Id),
[INFO] [stderr] 95 +     AccountDoesntExist(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/content_manager.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |     InvalidAccountId(Id),
[INFO] [stderr]    |     ---------------- ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 96 -     InvalidAccountId(Id),
[INFO] [stderr] 96 +     InvalidAccountId(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: method `query_add_account` is never used
[INFO] [stderr]    --> src/database_manager.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr]  10 | impl DatabaseManager {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn query_add_account(&mut self, username: String, password: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/content_manager.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let _ = &posts.iter().for_each(|ref p| println!("{:#?}", p));
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `po_api_all` (bin "po_api_all" test) generated 14 warnings (run `cargo fix --bin "po_api_all" -p po_api_all --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/po_api_all-b05303ed0f52cfd0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26eccb115c5eacc4c103787b0fe1f9d554ae6bc1db1fab397b24482f2180bd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26eccb115c5eacc4c103787b0fe1f9d554ae6bc1db1fab397b24482f2180bd02", kill_on_drop: false }`
[INFO] [stdout] 26eccb115c5eacc4c103787b0fe1f9d554ae6bc1db1fab397b24482f2180bd02
