[INFO] fetching crate pnav 0.1.0...
[INFO] building pnav-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate pnav 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pnav 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a69eb13c5fd6a6d362c5d31a68e5c63c7970358a124640707333d1c338dacddc
[INFO] running `Command { std: "docker" "start" "-a" "a69eb13c5fd6a6d362c5d31a68e5c63c7970358a124640707333d1c338dacddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a69eb13c5fd6a6d362c5d31a68e5c63c7970358a124640707333d1c338dacddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69eb13c5fd6a6d362c5d31a68e5c63c7970358a124640707333d1c338dacddc", kill_on_drop: false }`
[INFO] [stdout] a69eb13c5fd6a6d362c5d31a68e5c63c7970358a124640707333d1c338dacddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c9a62d642b910ba2b4a0c0747a906f93d6f73838c1ff349dba0753988736be
[INFO] running `Command { std: "docker" "start" "-a" "99c9a62d642b910ba2b4a0c0747a906f93d6f73838c1ff349dba0753988736be", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(nonstandard_style)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "99c9a62d642b910ba2b4a0c0747a906f93d6f73838c1ff349dba0753988736be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c9a62d642b910ba2b4a0c0747a906f93d6f73838c1ff349dba0753988736be", kill_on_drop: false }`
[INFO] [stdout] 99c9a62d642b910ba2b4a0c0747a906f93d6f73838c1ff349dba0753988736be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb67c569d6f1ea2bf6880d4d1aae68da422602552278c8041c7502ae39eb18fa
[INFO] running `Command { std: "docker" "start" "-a" "fb67c569d6f1ea2bf6880d4d1aae68da422602552278c8041c7502ae39eb18fa", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(nonstandard_style)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(nonstandard_style)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "fb67c569d6f1ea2bf6880d4d1aae68da422602552278c8041c7502ae39eb18fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb67c569d6f1ea2bf6880d4d1aae68da422602552278c8041c7502ae39eb18fa", kill_on_drop: false }`
[INFO] [stdout] fb67c569d6f1ea2bf6880d4d1aae68da422602552278c8041c7502ae39eb18fa