[INFO] crate pnav 0.1.0 is already in cache
[INFO] checking pnav-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate pnav 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pnav 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate crates.io crate pnav 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e0cae20b0fe31f46bdeb87ccc804d79712f7e8573465c2e2b118299f34e5a54
[INFO] running `"docker" "start" "-a" "3e0cae20b0fe31f46bdeb87ccc804d79712f7e8573465c2e2b118299f34e5a54"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking pnav v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn run(args: Vec<String>) {
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Settings`
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Settings`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn run(args: Vec<String>) {
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Settings`
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Settings`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_pnavrc`
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Settings` should have a snake case name
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |                         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Settings` should have a snake case name
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut Settings = Settings::new("002001");
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_pnavrc`
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Settings` should have a snake case name
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_pnavrc(Settings: Settings) {}
[INFO] [stderr]    |                         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Settings` should have a snake case name
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut Settings = Settings::new("002001");
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `settings`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     Settings.read_pnavrc();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/manipulate_pnavrc.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     Settings.read_pnavrc();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "3e0cae20b0fe31f46bdeb87ccc804d79712f7e8573465c2e2b118299f34e5a54"`
[INFO] running `"docker" "rm" "-f" "3e0cae20b0fe31f46bdeb87ccc804d79712f7e8573465c2e2b118299f34e5a54"`
[INFO] [stdout] 3e0cae20b0fe31f46bdeb87ccc804d79712f7e8573465c2e2b118299f34e5a54