[INFO] cloning repository https://github.com/ahogappa0613/spexm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahogappa0613/spexm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0796645e08ea60f5c7902ced83336a0bf9a28a8e
[INFO] checking ahogappa0613/spexm/0796645e08ea60f5c7902ced83336a0bf9a28a8e against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahogappa0613/spexm on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahogappa0613/spexm
[INFO] finished tweaking git repo https://github.com/ahogappa0613/spexm
[INFO] tweaked toml for git repo https://github.com/ahogappa0613/spexm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ahogappa0613/spexm 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23913acf7098be9c05ec92cfe38384f92c01db72a5365457ca51965949923b60
[INFO] running `Command { std: "docker" "start" "-a" "23913acf7098be9c05ec92cfe38384f92c01db72a5365457ca51965949923b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23913acf7098be9c05ec92cfe38384f92c01db72a5365457ca51965949923b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23913acf7098be9c05ec92cfe38384f92c01db72a5365457ca51965949923b60", kill_on_drop: false }`
[INFO] [stdout] 23913acf7098be9c05ec92cfe38384f92c01db72a5365457ca51965949923b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e6a5af9bdf2ae7730e6f4562f3aca10f649c742d441a3c73457ed101400f77
[INFO] running `Command { std: "docker" "start" "-a" "30e6a5af9bdf2ae7730e6f4562f3aca10f649c742d441a3c73457ed101400f77", kill_on_drop: false }`
[INFO] [stderr]     Checking spexm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/chex.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let char_set = HashSet::from(chars.into_iter().collect());
[INFO] [stdout]    |                        -------                         ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashSet<String>: From<_>` found in the following crates: `core`, `std`:
[INFO] [stdout]            - impl<T, N> From<[T; N]> for HashSet<T>
[INFO] [stdout]              where the constant `N` has type `usize`, T: Eq, T: Hash;
[INFO] [stdout]            - impl<T> From<T> for T;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let char_set = HashSet::from(chars.into_iter().collect::<Vec<_>>());
[INFO] [stdout]    |                                                               ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/chex.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let char_set = HashSet::from(chars.into_iter().collect());
[INFO] [stdout]    |                        -------                         ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashSet<String>: From<_>` found in the following crates: `core`, `std`:
[INFO] [stdout]            - impl<T, N> From<[T; N]> for HashSet<T>
[INFO] [stdout]              where the constant `N` has type `usize`, T: Eq, T: Hash;
[INFO] [stdout]            - impl<T> From<T> for T;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let char_set = HashSet::from(chars.into_iter().collect::<Vec<_>>());
[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 `spexm` (bin "spexm") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spexm` (bin "spexm" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "30e6a5af9bdf2ae7730e6f4562f3aca10f649c742d441a3c73457ed101400f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e6a5af9bdf2ae7730e6f4562f3aca10f649c742d441a3c73457ed101400f77", kill_on_drop: false }`
[INFO] [stdout] 30e6a5af9bdf2ae7730e6f4562f3aca10f649c742d441a3c73457ed101400f77