[INFO] cloning repository https://github.com/ttarikbnr/mars_discovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttarikbnr/mars_discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttarikbnr%2Fmars_discovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttarikbnr%2Fmars_discovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f1bb754077f2b32aa2000b45211a4cbee74a1b5
[INFO] checking ttarikbnr/mars_discovery against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttarikbnr%2Fmars_discovery" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttarikbnr/mars_discovery on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttarikbnr/mars_discovery
[INFO] finished tweaking git repo https://github.com/ttarikbnr/mars_discovery
[INFO] tweaked toml for git repo https://github.com/ttarikbnr/mars_discovery written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ttarikbnr/mars_discovery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8e0517036e2027c005158cba872e8ddccdc0393b3aa6871350c980daace4da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d8e0517036e2027c005158cba872e8ddccdc0393b3aa6871350c980daace4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8e0517036e2027c005158cba872e8ddccdc0393b3aa6871350c980daace4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8e0517036e2027c005158cba872e8ddccdc0393b3aa6871350c980daace4da", kill_on_drop: false }`
[INFO] [stdout] 0d8e0517036e2027c005158cba872e8ddccdc0393b3aa6871350c980daace4da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f943b311fa9215f7980d1a41d96d219ee541dc1ed0d4bfd25235ed836e524c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64f943b311fa9215f7980d1a41d96d219ee541dc1ed0d4bfd25235ed836e524c", kill_on_drop: false }`
[INFO] [stderr]     Checking mars-discovery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/direction.rs:32:72
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                                                --------^^^^^^--
[INFO] [stdout]    |                                                                |       |
[INFO] [stdout]    |                                                                |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/direction.rs:32:72
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                                                --------^^^^^^--
[INFO] [stdout]    |                                                                |       |
[INFO] [stdout]    |                                                                |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mars-discovery`.
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:33:76
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                                                    --------^^^^^^--
[INFO] [stdout]    |                                                                    |       |
[INFO] [stdout]    |                                                                    |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                    this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:33:76
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                                                    --------^^^^^^--
[INFO] [stdout]    |                                                                    |       |
[INFO] [stdout]    |                                                                    |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                    this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/command.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                                                --------^^^^^^--
[INFO] [stdout]    |                                                                |       |
[INFO] [stdout]    |                                                                |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/command.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                                                --------^^^^^^--
[INFO] [stdout]    |                                                                |       |
[INFO] [stdout]    |                                                                |       cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                                                this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "64f943b311fa9215f7980d1a41d96d219ee541dc1ed0d4bfd25235ed836e524c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f943b311fa9215f7980d1a41d96d219ee541dc1ed0d4bfd25235ed836e524c", kill_on_drop: false }`
[INFO] [stdout] 64f943b311fa9215f7980d1a41d96d219ee541dc1ed0d4bfd25235ed836e524c