[INFO] cloning repository https://github.com/kidpollo/advent-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kidpollo/advent-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f65cb72e4cad311c4da323ddee9278d5c331ea2 [INFO] checking kidpollo/advent-2018 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kidpollo/advent-2018 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] finished tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] tweaked toml for git repo https://github.com/kidpollo/advent-2018 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kidpollo/advent-2018 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simple-error v0.1.13 [INFO] [stderr] Downloaded time v0.1.41 [INFO] [stderr] Downloaded memchr v2.1.2 [INFO] [stderr] Downloaded libc v0.2.45 [INFO] [stderr] Downloaded regex-syntax v0.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d343d0e4006b58b71f248bd78ac29b7719df211d053744531cf5a8417f3d259c [INFO] running `Command { std: "docker" "start" "-a" "d343d0e4006b58b71f248bd78ac29b7719df211d053744531cf5a8417f3d259c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d343d0e4006b58b71f248bd78ac29b7719df211d053744531cf5a8417f3d259c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d343d0e4006b58b71f248bd78ac29b7719df211d053744531cf5a8417f3d259c", kill_on_drop: false }` [INFO] [stdout] d343d0e4006b58b71f248bd78ac29b7719df211d053744531cf5a8417f3d259c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3dce894593577ab9552a83158c41db7364f37aebc74d2e5e14dd5dc4739c34dd [INFO] running `Command { std: "docker" "start" "-a" "3dce894593577ab9552a83158c41db7364f37aebc74d2e5e14dd5dc4739c34dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking simple-error v0.1.13 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s [INFO] running `Command { std: "docker" "inspect" "3dce894593577ab9552a83158c41db7364f37aebc74d2e5e14dd5dc4739c34dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dce894593577ab9552a83158c41db7364f37aebc74d2e5e14dd5dc4739c34dd", kill_on_drop: false }` [INFO] [stdout] 3dce894593577ab9552a83158c41db7364f37aebc74d2e5e14dd5dc4739c34dd [INFO] checking kidpollo/advent-2018 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kidpollo/advent-2018 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] finished tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] tweaked toml for git repo https://github.com/kidpollo/advent-2018 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kidpollo/advent-2018 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f13cc067ac54bf2b8fc34e36854be3f77f9af4e809c2982f2c97f6713bf20b56 [INFO] running `Command { std: "docker" "start" "-a" "f13cc067ac54bf2b8fc34e36854be3f77f9af4e809c2982f2c97f6713bf20b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f13cc067ac54bf2b8fc34e36854be3f77f9af4e809c2982f2c97f6713bf20b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f13cc067ac54bf2b8fc34e36854be3f77f9af4e809c2982f2c97f6713bf20b56", kill_on_drop: false }` [INFO] [stdout] f13cc067ac54bf2b8fc34e36854be3f77f9af4e809c2982f2c97f6713bf20b56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d039a7284ca775b73ba4c74d311c6f135559096a69cb43e9e8f5ac3afcb8cd3 [INFO] running `Command { std: "docker" "start" "-a" "3d039a7284ca775b73ba4c74d311c6f135559096a69cb43e9e8f5ac3afcb8cd3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking simple-error v0.1.13 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "3d039a7284ca775b73ba4c74d311c6f135559096a69cb43e9e8f5ac3afcb8cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d039a7284ca775b73ba4c74d311c6f135559096a69cb43e9e8f5ac3afcb8cd3", kill_on_drop: false }` [INFO] [stdout] 3d039a7284ca775b73ba4c74d311c6f135559096a69cb43e9e8f5ac3afcb8cd3