[INFO] cloning repository https://github.com/schultyy/diagnostic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schultyy/diagnostic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e28301ef5a98710f35adc4ebcde2e5ff445c933b
[INFO] checking schultyy/diagnostic against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schultyy/diagnostic on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schultyy/diagnostic
[INFO] finished tweaking git repo https://github.com/schultyy/diagnostic
[INFO] tweaked toml for git repo https://github.com/schultyy/diagnostic written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/schultyy/diagnostic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd963bc535ecb35b68cc6b0300588ca7baff14848164df065480315578541dc0
[INFO] running `Command { std: "docker" "start" "-a" "dd963bc535ecb35b68cc6b0300588ca7baff14848164df065480315578541dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd963bc535ecb35b68cc6b0300588ca7baff14848164df065480315578541dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd963bc535ecb35b68cc6b0300588ca7baff14848164df065480315578541dc0", kill_on_drop: false }`
[INFO] [stdout] dd963bc535ecb35b68cc6b0300588ca7baff14848164df065480315578541dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a9b0673823bb35581d14b2bda0cca2926c15447fc836bc3cb139e2f6709dae
[INFO] running `Command { std: "docker" "start" "-a" "37a9b0673823bb35581d14b2bda0cca2926c15447fc836bc3cb139e2f6709dae", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking log-ql v0.1.0 (https://github.com/schultyy/log-ql?rev=e894c91a01049f03b0f3e38eb374b99290b68a19#e894c91a)
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking diagnostic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/configuration.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     file.read_to_string(&mut serialized);
[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]   --> src/log_file.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     file.read_to_string(&mut complete_file);
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/configuration.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     file.read_to_string(&mut serialized);
[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]   --> src/log_file.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     file.read_to_string(&mut complete_file);
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "37a9b0673823bb35581d14b2bda0cca2926c15447fc836bc3cb139e2f6709dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a9b0673823bb35581d14b2bda0cca2926c15447fc836bc3cb139e2f6709dae", kill_on_drop: false }`
[INFO] [stdout] 37a9b0673823bb35581d14b2bda0cca2926c15447fc836bc3cb139e2f6709dae