[INFO] cloning repository https://github.com/helpfulhelper/AoC2015-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helpfulhelper/AoC2015-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelpfulhelper%2FAoC2015-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelpfulhelper%2FAoC2015-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22e9703cc3c35b081f97e3c87f6f4979ff725310
[INFO] testing helpfulhelper/AoC2015-rs against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelpfulhelper%2FAoC2015-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/helpfulhelper/AoC2015-rs on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/helpfulhelper/AoC2015-rs
[INFO] finished tweaking git repo https://github.com/helpfulhelper/AoC2015-rs
[INFO] tweaked toml for git repo https://github.com/helpfulhelper/AoC2015-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/helpfulhelper/AoC2015-rs 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2364b488b77c658c9cc7bcc69a2aab8714b0810525681febffd51f666a928c61
[INFO] running `Command { std: "docker" "start" "-a" "2364b488b77c658c9cc7bcc69a2aab8714b0810525681febffd51f666a928c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2364b488b77c658c9cc7bcc69a2aab8714b0810525681febffd51f666a928c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2364b488b77c658c9cc7bcc69a2aab8714b0810525681febffd51f666a928c61", kill_on_drop: false }`
[INFO] [stdout] 2364b488b77c658c9cc7bcc69a2aab8714b0810525681febffd51f666a928c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51accd3b5fc63a87e86055d436309289187fe0851265b11b2545320c95c2d2ac
[INFO] running `Command { std: "docker" "start" "-a" "51accd3b5fc63a87e86055d436309289187fe0851265b11b2545320c95c2d2ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling aoc15 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bin/scratch.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nice` is never used
[INFO] [stdout]   --> src/bin/day05.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn nice(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vowels` is never used
[INFO] [stdout]   --> src/bin/day05.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn vowels(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tabboo` is never used
[INFO] [stdout]   --> src/bin/day05.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn tabboo(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main2` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fourvar` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fourvar(a: usize, b: usize, c: usize, d: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid` is never constructed
[INFO] [stdout]   --> src/bin/scratch.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Grid {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Grid {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 36 |     fn new() -> Grid {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u8>::saturating_sub` that must be used
[INFO] [stdout]   --> src/bin/scratch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     test.saturating_sub(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = test.saturating_sub(1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "51accd3b5fc63a87e86055d436309289187fe0851265b11b2545320c95c2d2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51accd3b5fc63a87e86055d436309289187fe0851265b11b2545320c95c2d2ac", kill_on_drop: false }`
[INFO] [stdout] 51accd3b5fc63a87e86055d436309289187fe0851265b11b2545320c95c2d2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb544a13eb8ea439875f45db9b52275ad8d5697ae3005b038e86ee16985e7ef1
[INFO] running `Command { std: "docker" "start" "-a" "cb544a13eb8ea439875f45db9b52275ad8d5697ae3005b038e86ee16985e7ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc15 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bin/scratch.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main2` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fourvar` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fourvar(a: usize, b: usize, c: usize, d: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid` is never constructed
[INFO] [stdout]   --> src/bin/scratch.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Grid {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/scratch.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Grid {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 36 |     fn new() -> Grid {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u8>::saturating_sub` that must be used
[INFO] [stdout]   --> src/bin/scratch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     test.saturating_sub(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = test.saturating_sub(1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nice` is never used
[INFO] [stdout]   --> src/bin/day05.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn nice(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vowels` is never used
[INFO] [stdout]   --> src/bin/day05.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn vowels(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tabboo` is never used
[INFO] [stdout]   --> src/bin/day05.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn tabboo(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cb544a13eb8ea439875f45db9b52275ad8d5697ae3005b038e86ee16985e7ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb544a13eb8ea439875f45db9b52275ad8d5697ae3005b038e86ee16985e7ef1", kill_on_drop: false }`
[INFO] [stdout] cb544a13eb8ea439875f45db9b52275ad8d5697ae3005b038e86ee16985e7ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ccdfd1ca5cbe6d22041c4110361d0b6e69303407a74a858f58096129f9129f6
[INFO] running `Command { std: "docker" "start" "-a" "0ccdfd1ca5cbe6d22041c4110361d0b6e69303407a74a858f58096129f9129f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/bin/scratch.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main2` is never used
[INFO] [stderr]   --> src/bin/scratch.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn main2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fourvar` is never used
[INFO] [stderr]   --> src/bin/scratch.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn fourvar(a: usize, b: usize, c: usize, d: usize) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Grid` is never constructed
[INFO] [stderr]   --> src/bin/scratch.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Grid {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/scratch.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Grid {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 36 |     fn new() -> Grid {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u8>::saturating_sub` that must be used
[INFO] [stderr]   --> src/bin/scratch.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     test.saturating_sub(1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this returns the result of the operation, without modifying the original
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _ = test.saturating_sub(1);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc15` (bin "scratch" test) generated 6 warnings (run `cargo fix --bin "scratch" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: function `nice` is never used
[INFO] [stderr]   --> src/bin/day05.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn nice(s: &str) -> bool {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `vowels` is never used
[INFO] [stderr]   --> src/bin/day05.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn vowels(s: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tabboo` is never used
[INFO] [stderr]   --> src/bin/day05.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn tabboo(s: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc15` (bin "day05" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc15-51ed3fac7e18ec42)
[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 src/bin/day01.rs (/opt/rustwide/target/debug/deps/day01-9366b8f1a94f7a11)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day02.rs (/opt/rustwide/target/debug/deps/day02-20498a193bcd6711)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/day03.rs (/opt/rustwide/target/debug/deps/day03-a0ac24eac3894ded)
[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 src/bin/day04.rs (/opt/rustwide/target/debug/deps/day04-956d001e76694d38)
[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]      Running unittests src/bin/day05.rs (/opt/rustwide/target/debug/deps/day05-311e361a97cb6cc0)
[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 src/bin/day06.rs (/opt/rustwide/target/debug/deps/day06-7c3642328ed0007f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_dubs ... ok
[INFO] [stdout] test test_dubdubs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stderr] thread 'test_part1' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass `--bin day06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/day06-7c3642328ed0007f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0ccdfd1ca5cbe6d22041c4110361d0b6e69303407a74a858f58096129f9129f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccdfd1ca5cbe6d22041c4110361d0b6e69303407a74a858f58096129f9129f6", kill_on_drop: false }`
[INFO] [stdout] 0ccdfd1ca5cbe6d22041c4110361d0b6e69303407a74a858f58096129f9129f6
