[INFO] cloning repository https://github.com/qparrod/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qparrod/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqparrod%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqparrod%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d40f3bc5513856e7a293b59b61b06f8686e3f0d7
[INFO] testing qparrod/rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqparrod%2Frust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qparrod/rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qparrod/rust
[INFO] finished tweaking git repo https://github.com/qparrod/rust
[INFO] tweaked toml for git repo https://github.com/qparrod/rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/qparrod/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c2008d1804ac2a906e4c29214cf5b82820d6e5a611eed8e5283dee7fd70e6c
[INFO] running `Command { std: "docker" "start" "-a" "21c2008d1804ac2a906e4c29214cf5b82820d6e5a611eed8e5283dee7fd70e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c2008d1804ac2a906e4c29214cf5b82820d6e5a611eed8e5283dee7fd70e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c2008d1804ac2a906e4c29214cf5b82820d6e5a611eed8e5283dee7fd70e6c", kill_on_drop: false }`
[INFO] [stdout] 21c2008d1804ac2a906e4c29214cf5b82820d6e5a611eed8e5283dee7fd70e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe66c41ed728db9e52587e04616b5da3b64c0fcb99f13a94f61f7ab342ca5f6
[INFO] running `Command { std: "docker" "start" "-a" "cfe66c41ed728db9e52587e04616b5da3b64c0fcb99f13a94f61f7ab342ca5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling time v0.1.34
[INFO] [stderr]    Compiling rust-learning v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/log.rs:16:63
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(why) => panic!("couldn't create {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/log.rs:29:67
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(why) => { panic!("couldn't write to {}: {}", display, Error::description(&why)) },
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-learning`
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]  --> src/log.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | static path : Path = Path::new("log/test.log");
[INFO] [stdout]   |               ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout]   = help: within `Path`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout]   = note: required because it appears within the type `Path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cfe66c41ed728db9e52587e04616b5da3b64c0fcb99f13a94f61f7ab342ca5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe66c41ed728db9e52587e04616b5da3b64c0fcb99f13a94f61f7ab342ca5f6", kill_on_drop: false }`
[INFO] [stdout] cfe66c41ed728db9e52587e04616b5da3b64c0fcb99f13a94f61f7ab342ca5f6