[INFO] cloning repository https://github.com/Ling0925/mcrc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ling0925/mcrc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLing0925%2Fmcrc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLing0925%2Fmcrc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3260e241f6c489ab7bef17ae281814b454705135
[INFO] checking Ling0925/mcrc against master#c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b for pr-104616
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLing0925%2Fmcrc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ling0925/mcrc on toolchain c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ling0925/mcrc
[INFO] finished tweaking git repo https://github.com/Ling0925/mcrc
[INFO] tweaked toml for git repo https://github.com/Ling0925/mcrc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Ling0925/mcrc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d6709473273baaed8ccba98cba5ef7b1d37f388949638388fd5656ab4eeab3
[INFO] running `Command { std: "docker" "start" "-a" "b8d6709473273baaed8ccba98cba5ef7b1d37f388949638388fd5656ab4eeab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d6709473273baaed8ccba98cba5ef7b1d37f388949638388fd5656ab4eeab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d6709473273baaed8ccba98cba5ef7b1d37f388949638388fd5656ab4eeab3", kill_on_drop: false }`
[INFO] [stdout] b8d6709473273baaed8ccba98cba5ef7b1d37f388949638388fd5656ab4eeab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e80e805810460710372c49f82bd0b01aab2525b4c65b6f96ef6bdf18b923d2d
[INFO] running `Command { std: "docker" "start" "-a" "9e80e805810460710372c49f82bd0b01aab2525b4c65b6f96ef6bdf18b923d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking mcrc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::config_parser::Config`
[INFO] [stdout]  --> src/mcrc_core/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use self::config_parser::Config;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::config_parser::Config`
[INFO] [stdout]  --> src/mcrc_core/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use self::config_parser::Config;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `__private::de::Content`
[INFO] [stdout]  --> src/mcrc_core/launcher/config_parser/mod.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Deserialize, Serialize, __private::de::Content};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `__private::de::Content`
[INFO] [stdout]  --> src/mcrc_core/launcher/config_parser/mod.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Deserialize, Serialize, __private::de::Content};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/mcrc_core/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut config = config_parser::Config::init();
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/mcrc_core/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut config = config_parser::Config::init();
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parser_to_file` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn parser_to_file(&self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `update_config` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn update_config(&mut self) -> &Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `update` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/user_config.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn update(&mut self) -> &Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parser_to_file` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn parser_to_file(&self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `update_config` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn update_config(&mut self) -> &Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `update` is never used
[INFO] [stdout]   --> src/mcrc_core/launcher/config_parser/user_config.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn update(&mut self) -> &Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "9e80e805810460710372c49f82bd0b01aab2525b4c65b6f96ef6bdf18b923d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e80e805810460710372c49f82bd0b01aab2525b4c65b6f96ef6bdf18b923d2d", kill_on_drop: false }`
[INFO] [stdout] 9e80e805810460710372c49f82bd0b01aab2525b4c65b6f96ef6bdf18b923d2d