[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/1f1bb754077f2b32aa2000b45211a4cbee74a1b5 against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttarikbnr%2Fmars_discovery" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ttarikbnr/mars_discovery on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ttarikbnr/mars_discovery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca2ab90f8b1cdb4700ce79af52f02b24d16c392706e737ac9ed85f6b91f8e853
[INFO] running `Command { std: "docker" "start" "-a" "ca2ab90f8b1cdb4700ce79af52f02b24d16c392706e737ac9ed85f6b91f8e853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2ab90f8b1cdb4700ce79af52f02b24d16c392706e737ac9ed85f6b91f8e853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2ab90f8b1cdb4700ce79af52f02b24d16c392706e737ac9ed85f6b91f8e853", kill_on_drop: false }`
[INFO] [stdout] ca2ab90f8b1cdb4700ce79af52f02b24d16c392706e737ac9ed85f6b91f8e853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e6ddd5e97775873915546f02edfd6d30ff0aa18a7b60b5224ae0db46a5c608
[INFO] running `Command { std: "docker" "start" "-a" "d9e6ddd5e97775873915546f02edfd6d30ff0aa18a7b60b5224ae0db46a5c608", 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:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                            ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                      ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/direction.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                            ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 return Err(Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                      ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         return Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/command.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                            ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                      ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 33 |                         return Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mars-discovery` (bin "mars-discovery") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/position.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         return Error::new(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         return Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref())
[INFO] [stdout]    |                                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/command.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                            ^^^^^^^^^^                                  ------ type must be known at this point
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            cannot infer type of the type parameter `E` declared on the associated function `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]            - impl AsRef<OsStr> for String;
[INFO] [stdout]            - impl AsRef<Path> for String;
[INFO] [stdout]            - impl AsRef<[u8]> for String;
[INFO] [stdout]            - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `E`
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 return Err(Error::new::</* Type */>(ErrorKind::InvalidInput, err_msg.as_ref()))
[INFO] [stdout]    |                                      ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mars-discovery` (bin "mars-discovery" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9e6ddd5e97775873915546f02edfd6d30ff0aa18a7b60b5224ae0db46a5c608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e6ddd5e97775873915546f02edfd6d30ff0aa18a7b60b5224ae0db46a5c608", kill_on_drop: false }`
[INFO] [stdout] d9e6ddd5e97775873915546f02edfd6d30ff0aa18a7b60b5224ae0db46a5c608
