[INFO] cloning repository https://github.com/thekaigonzalez/KCC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thekaigonzalez/KCC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekaigonzalez%2FKCC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekaigonzalez%2FKCC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae16bfc0b28d38fc358256a65eb828532bba07c
[INFO] checking thekaigonzalez/KCC against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekaigonzalez%2FKCC" "/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/thekaigonzalez/KCC
[INFO] finished tweaking git repo https://github.com/thekaigonzalez/KCC
[INFO] tweaked toml for git repo https://github.com/thekaigonzalez/KCC written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thekaigonzalez/KCC on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thekaigonzalez/KCC 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.7.0
[INFO] [stderr]   Downloaded text_io v0.1.8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0aaf407deb041c51129fa5ff340f28ec0793d34b7d4f1ba299372b6f397fd5
[INFO] running `Command { std: "docker" "start" "-a" "4f0aaf407deb041c51129fa5ff340f28ec0793d34b7d4f1ba299372b6f397fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0aaf407deb041c51129fa5ff340f28ec0793d34b7d4f1ba299372b6f397fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0aaf407deb041c51129fa5ff340f28ec0793d34b7d4f1ba299372b6f397fd5", kill_on_drop: false }`
[INFO] [stdout] 4f0aaf407deb041c51129fa5ff340f28ec0793d34b7d4f1ba299372b6f397fd5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 148105db060bb4bc489a57c40aab9be07f889814054c3a6132ee1961dca3c82a
[INFO] running `Command { std: "docker" "start" "-a" "148105db060bb4bc489a57c40aab9be07f889814054c3a6132ee1961dca3c82a", kill_on_drop: false }`
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking KCC v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string, fs, io};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let func: libloading::Symbol<unsafe extern fn() -> u32> = lib.get(entry.as_ref())?;
[INFO] [stdout]   |                                             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string, fs, io};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let func: libloading::Symbol<unsafe extern fn() -> u32> = lib.get(entry.as_ref())?;
[INFO] [stdout]   |                                             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut line: String = text_io::read!();
[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:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut entry: String = text_io::read!();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             call_dynamic(&line, &entry);
[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] 31 |             let _ = call_dynamic(&line, &entry);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut line: String = text_io::read!();
[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:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut entry: String = text_io::read!();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             call_dynamic(&line, &entry);
[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] 31 |             let _ = call_dynamic(&line, &entry);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "148105db060bb4bc489a57c40aab9be07f889814054c3a6132ee1961dca3c82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148105db060bb4bc489a57c40aab9be07f889814054c3a6132ee1961dca3c82a", kill_on_drop: false }`
[INFO] [stdout] 148105db060bb4bc489a57c40aab9be07f889814054c3a6132ee1961dca3c82a
