[INFO] cloning repository https://github.com/ohaddahan/rustman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ohaddahan/rustman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohaddahan%2Frustman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohaddahan%2Frustman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8582b13fd3474ad1e6a34e148394933310af51d8
[INFO] checking ohaddahan/rustman against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohaddahan%2Frustman" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ohaddahan/rustman on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ohaddahan/rustman
[INFO] finished tweaking git repo https://github.com/ohaddahan/rustman
[INFO] tweaked toml for git repo https://github.com/ohaddahan/rustman written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ohaddahan/rustman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9be98d05096e33090c575bac472b87f55a44560b437f6e0bf0c83623e9e906c3
[INFO] running `Command { std: "docker" "start" "-a" "9be98d05096e33090c575bac472b87f55a44560b437f6e0bf0c83623e9e906c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be98d05096e33090c575bac472b87f55a44560b437f6e0bf0c83623e9e906c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be98d05096e33090c575bac472b87f55a44560b437f6e0bf0c83623e9e906c3", kill_on_drop: false }`
[INFO] [stdout] 9be98d05096e33090c575bac472b87f55a44560b437f6e0bf0c83623e9e906c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6070a0256168c3785da61d76ff22e5bd2bd3026af0e5ca15205f227fe6ee1226
[INFO] running `Command { std: "docker" "start" "-a" "6070a0256168c3785da61d76ff22e5bd2bd3026af0e5ca15205f227fe6ee1226", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustman-lib v0.1.0 (/opt/rustwide/workdir/rustman-lib)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> rustman-lib/src/engine.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |     use super::*;
[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]    --> rustman-lib/src/process.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::error::Error;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cwd`
[INFO] [stdout]   --> rustman-lib/src/process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cwd: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> rustman-lib/src/process.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     output: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> rustman-lib/src/procfile.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     line: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> rustman-lib/src/process.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let output = child.wait().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> rustman-lib/src/process.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let hello = String::from("Olá");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cwd`
[INFO] [stdout]   --> rustman-lib/src/process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cwd: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> rustman-lib/src/process.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     output: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `UTF8_BIN`
[INFO] [stdout]    --> rustman-lib/src/process.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     static UTF8_BIN: &'static str = "tests/utf8.sh";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 std::fs::remove_file(filename);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             file.write_all(format!("alpha: ./alpha{}\n", alpha).as_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             file.write_all(format!("bravo:\t./bravo\n").as_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             file.write_all(format!("foo_bar:\t./foo_bar\n").as_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             file.write_all(format!("foo-bar:\t./foo-bar\n").as_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             file.write_all(format!("# baz:\t./baz\n").as_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rustman-lib/src/procfile.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             file.sync_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "6070a0256168c3785da61d76ff22e5bd2bd3026af0e5ca15205f227fe6ee1226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6070a0256168c3785da61d76ff22e5bd2bd3026af0e5ca15205f227fe6ee1226", kill_on_drop: false }`
[INFO] [stdout] 6070a0256168c3785da61d76ff22e5bd2bd3026af0e5ca15205f227fe6ee1226