[INFO] cloning repository https://github.com/JessJNielsen/advent_of_code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JessJNielsen/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bae9018f2e36d13a0a04a39e36391de6e50f8bee [INFO] testing JessJNielsen/advent_of_code against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code" "/workspace/builds/worker-115/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'... 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[INFO] validating manifest of git repo https://github.com/JessJNielsen/advent_of_code on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JessJNielsen/advent_of_code [INFO] finished tweaking git repo https://github.com/JessJNielsen/advent_of_code [INFO] tweaked toml for git repo https://github.com/JessJNielsen/advent_of_code written to /workspace/builds/worker-115/source/Cargo.toml [INFO] crate git repo https://github.com/JessJNielsen/advent_of_code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1042be1c96ffb3a05f7f80256602ef2942787672eb0d5c7294ed2caad6c98f36 [INFO] running `Command { std: "docker" "start" "-a" "1042be1c96ffb3a05f7f80256602ef2942787672eb0d5c7294ed2caad6c98f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1042be1c96ffb3a05f7f80256602ef2942787672eb0d5c7294ed2caad6c98f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1042be1c96ffb3a05f7f80256602ef2942787672eb0d5c7294ed2caad6c98f36", kill_on_drop: false }` [INFO] [stdout] 1042be1c96ffb3a05f7f80256602ef2942787672eb0d5c7294ed2caad6c98f36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68ff30ee5fb9e802a697e89552969cb11fce9d3b78de2d3339261653ab6636a8 [INFO] running `Command { std: "docker" "start" "-a" "68ff30ee5fb9e802a697e89552969cb11fce9d3b78de2d3339261653ab6636a8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.131 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06) [INFO] [stderr] Compiling day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04) [INFO] [stderr] Compiling day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05) [INFO] [stdout] warning: unused import: `Itertools` [INFO] [stdout] --> days/day_05/src/lib.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use itertools::{Itertools, zip_eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | write!(f, "## ## ## ## ##\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | write!(f, "## {} ##\n", board.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | write!(f, "## ## ## ## ##"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | write!(f, "\n{}", row); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling day_01 v0.1.0 (/opt/rustwide/workdir/days/day_01) [INFO] [stderr] Compiling day_03 v0.1.0 (/opt/rustwide/workdir/days/day_03) [INFO] [stderr] Compiling day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02) [INFO] [stderr] Compiling taskrunner v0.1.0 (/opt/rustwide/workdir/taskrunner) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "68ff30ee5fb9e802a697e89552969cb11fce9d3b78de2d3339261653ab6636a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ff30ee5fb9e802a697e89552969cb11fce9d3b78de2d3339261653ab6636a8", kill_on_drop: false }` [INFO] [stdout] 68ff30ee5fb9e802a697e89552969cb11fce9d3b78de2d3339261653ab6636a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ec2cf61c70dd3406258157b023c0332250bb32376b1387200b0956ec5810475 [INFO] running `Command { std: "docker" "start" "-a" "0ec2cf61c70dd3406258157b023c0332250bb32376b1387200b0956ec5810475", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | write!(f, "## ## ## ## ##\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | write!(f, "## {} ##\n", board.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | write!(f, "## ## ## ## ##"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | write!(f, "\n{}", row); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Itertools` [INFO] [stdout] --> days/day_05/src/lib.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use itertools::{Itertools, zip_eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04) [INFO] [stderr] Compiling day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06) [INFO] [stderr] Compiling day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05) [INFO] [stderr] Compiling day_01 v0.1.0 (/opt/rustwide/workdir/days/day_01) [INFO] [stderr] Compiling day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02) [INFO] [stderr] Compiling day_03 v0.1.0 (/opt/rustwide/workdir/days/day_03) [INFO] [stderr] Compiling taskrunner v0.1.0 (/opt/rustwide/workdir/taskrunner) [INFO] [stdout] warning: unused import: `Itertools` [INFO] [stdout] --> days/day_05/src/lib.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use itertools::{Itertools, zip_eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | write!(f, "## ## ## ## ##\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | write!(f, "## {} ##\n", board.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | write!(f, "## ## ## ## ##"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> days/day_04/src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | write!(f, "\n{}", row); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.22s [INFO] running `Command { std: "docker" "inspect" "0ec2cf61c70dd3406258157b023c0332250bb32376b1387200b0956ec5810475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ec2cf61c70dd3406258157b023c0332250bb32376b1387200b0956ec5810475", kill_on_drop: false }` [INFO] [stdout] 0ec2cf61c70dd3406258157b023c0332250bb32376b1387200b0956ec5810475 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aefd7011412bc7f0d3663bdddbf74c6401c4b656529bd3785afa3746cf7b40e9 [INFO] running `Command { std: "docker" "start" "-a" "aefd7011412bc7f0d3663bdddbf74c6401c4b656529bd3785afa3746cf7b40e9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `Itertools` [INFO] [stderr] --> days/day_05/src/lib.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use itertools::{Itertools, zip_eq}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> days/day_04/src/lib.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | write!(f, "## ## ## ## ##\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> days/day_04/src/lib.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | write!(f, "## {} ##\n", board.name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> days/day_04/src/lib.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "## ## ## ## ##"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> days/day_04/src/lib.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | write!(f, "\n{}", row); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `day_05` (lib) generated 1 warning [INFO] [stderr] warning: `day_04` (lib) generated 4 warnings [INFO] [stderr] warning: `day_05` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `day_04` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.77s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_01-cf1907c0018b92ae) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_02-39402c608fce312e) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_03-65ac4671f00641e2) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_04-f091dcc77ba0c0f8) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_05-16b2701212211915) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day_06-e21236d9373ac5a0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/taskrunner-7b0780eda4394224) [INFO] [stderr] Doc-tests day_01 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests day_02 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests day_03 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests day_04 [INFO] [stderr] Doc-tests day_05 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests day_06 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "aefd7011412bc7f0d3663bdddbf74c6401c4b656529bd3785afa3746cf7b40e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aefd7011412bc7f0d3663bdddbf74c6401c4b656529bd3785afa3746cf7b40e9", kill_on_drop: false }` [INFO] [stdout] aefd7011412bc7f0d3663bdddbf74c6401c4b656529bd3785afa3746cf7b40e9