[INFO] cloning repository https://github.com/maxsmoke/advent2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxsmoke/advent2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsmoke%2Fadvent2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsmoke%2Fadvent2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 550028178a24e55a8007c7d2b0d38d7e40d66b35 [INFO] checking maxsmoke/advent2019 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsmoke%2Fadvent2019" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maxsmoke/advent2019 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maxsmoke/advent2019 [INFO] finished tweaking git repo https://github.com/maxsmoke/advent2019 [INFO] tweaked toml for git repo https://github.com/maxsmoke/advent2019 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/maxsmoke/advent2019 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63079910bc405fb7de01765f88ec0627c3d2bd947e8d28adfc6d6c05d9169e1d [INFO] running `Command { std: "docker" "start" "-a" "63079910bc405fb7de01765f88ec0627c3d2bd947e8d28adfc6d6c05d9169e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63079910bc405fb7de01765f88ec0627c3d2bd947e8d28adfc6d6c05d9169e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63079910bc405fb7de01765f88ec0627c3d2bd947e8d28adfc6d6c05d9169e1d", kill_on_drop: false }` [INFO] [stdout] 63079910bc405fb7de01765f88ec0627c3d2bd947e8d28adfc6d6c05d9169e1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d1640dc16474cd3bec820be82ec9e2117b737704d7d1e23cd6b03b2df8302f4 [INFO] running `Command { std: "docker" "start" "-a" "8d1640dc16474cd3bec820be82ec9e2117b737704d7d1e23cd6b03b2df8302f4", kill_on_drop: false }` [INFO] [stderr] Checking advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/problems/d4p2.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let low = 353_096; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/problems/d4p2.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let high = 843_212; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `descends` is never used [INFO] [stdout] --> src/problems/d4p2.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn descends(digits: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/utils/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | &instruction.push(dir); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = &instruction.push(dir); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/problems/d4p2.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let low = 353_096; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/problems/d4p2.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let high = 843_212; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `descends` is never used [INFO] [stdout] --> src/problems/d4p2.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn descends(digits: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/utils/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | &instruction.push(dir); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = &instruction.push(dir); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "8d1640dc16474cd3bec820be82ec9e2117b737704d7d1e23cd6b03b2df8302f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d1640dc16474cd3bec820be82ec9e2117b737704d7d1e23cd6b03b2df8302f4", kill_on_drop: false }` [INFO] [stdout] 8d1640dc16474cd3bec820be82ec9e2117b737704d7d1e23cd6b03b2df8302f4 [INFO] checking maxsmoke/advent2019 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsmoke%2Fadvent2019" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maxsmoke/advent2019 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maxsmoke/advent2019 [INFO] finished tweaking git repo https://github.com/maxsmoke/advent2019 [INFO] tweaked toml for git repo https://github.com/maxsmoke/advent2019 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/maxsmoke/advent2019 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68f4688be016b6265d6f0aa241411abe92d70626ed5db9fdd3b6e106c35adefe [INFO] running `Command { std: "docker" "start" "-a" "68f4688be016b6265d6f0aa241411abe92d70626ed5db9fdd3b6e106c35adefe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68f4688be016b6265d6f0aa241411abe92d70626ed5db9fdd3b6e106c35adefe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68f4688be016b6265d6f0aa241411abe92d70626ed5db9fdd3b6e106c35adefe", kill_on_drop: false }` [INFO] [stdout] 68f4688be016b6265d6f0aa241411abe92d70626ed5db9fdd3b6e106c35adefe [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3df2718afd1204c5f11637ec52e0d22a87d613d248fb8f6cde699e26f2e7107f [INFO] running `Command { std: "docker" "start" "-a" "3df2718afd1204c5f11637ec52e0d22a87d613d248fb8f6cde699e26f2e7107f", kill_on_drop: false }` [INFO] [stderr] Checking advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/problems/d4.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | / if current < last{ [INFO] [stdout] 47 | | return false [INFO] [stdout] 48 | | }else { [INFO] [stdout] 49 | | last = current.clone(); [INFO] [stdout] 50 | | continue; [INFO] [stdout] 51 | | }; [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/problems/d4.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | / if current < last{ [INFO] [stdout] 47 | | return false [INFO] [stdout] 48 | | }else { [INFO] [stdout] 49 | | last = current.clone(); [INFO] [stdout] 50 | | continue; [INFO] [stdout] 51 | | }; [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/problems/d4p2.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let low = 353_096; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/problems/d4p2.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let high = 843_212; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/problems/d4p2.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let low = 353_096; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/problems/d4p2.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let high = 843_212; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `advent` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3df2718afd1204c5f11637ec52e0d22a87d613d248fb8f6cde699e26f2e7107f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3df2718afd1204c5f11637ec52e0d22a87d613d248fb8f6cde699e26f2e7107f", kill_on_drop: false }` [INFO] [stdout] 3df2718afd1204c5f11637ec52e0d22a87d613d248fb8f6cde699e26f2e7107f