[INFO] fetching crate pnav 0.1.0...
[INFO] checking pnav-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate pnav 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pnav 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pnav 0.1.0
[INFO] finished tweaking crates.io crate pnav 0.1.0
[INFO] tweaked toml for crates.io crate pnav 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pnav 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40ff05f768cd0b43e8eac2264669a1210c68886f2e401a95f4dd5ec17aa9e9a4
[INFO] running `Command { std: "docker" "start" "-a" "40ff05f768cd0b43e8eac2264669a1210c68886f2e401a95f4dd5ec17aa9e9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ff05f768cd0b43e8eac2264669a1210c68886f2e401a95f4dd5ec17aa9e9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ff05f768cd0b43e8eac2264669a1210c68886f2e401a95f4dd5ec17aa9e9a4", kill_on_drop: false }`
[INFO] [stdout] 40ff05f768cd0b43e8eac2264669a1210c68886f2e401a95f4dd5ec17aa9e9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399f0710a41a85b8beb15d7acd1697ae7b09df234e47a9bc48b37c86e480069f
[INFO] running `Command { std: "docker" "start" "-a" "399f0710a41a85b8beb15d7acd1697ae7b09df234e47a9bc48b37c86e480069f", kill_on_drop: false }`
[INFO] [stderr]     Checking pnav v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Settings`
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run(args: Vec<String>) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Settings`
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run(args: Vec<String>) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path_to_input_database` and `current_project_code` are never read
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Settings <'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 8  |     pnavrc_file_path: &'a str,
[INFO] [stdout] 9  |     pub path_to_input_database: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub current_project_code: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path_to_input_database` and `current_project_code` are never read
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Settings <'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 8  |     pnavrc_file_path: &'a str,
[INFO] [stdout] 9  |     pub path_to_input_database: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub current_project_code: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_pnavrc` is never used
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Settings<'a> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_pnavrc` is never used
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Settings<'a> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Settings` should have a snake case name
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |                         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Settings` should have a snake case name
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stdout]    |                         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Settings` should have a snake case name
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut Settings = Settings::new("002001");
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Settings` should have a snake case name
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut Settings = Settings::new("002001");
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Settings.read_pnavrc();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Settings.read_pnavrc();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/manipulate_pnavrc.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Settings.read_pnavrc();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Settings.read_pnavrc();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "399f0710a41a85b8beb15d7acd1697ae7b09df234e47a9bc48b37c86e480069f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399f0710a41a85b8beb15d7acd1697ae7b09df234e47a9bc48b37c86e480069f", kill_on_drop: false }`
[INFO] [stdout] 399f0710a41a85b8beb15d7acd1697ae7b09df234e47a9bc48b37c86e480069f