[INFO] cloning repository https://github.com/arionkrause/advent-of-code-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arionkrause/advent-of-code-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farionkrause%2Fadvent-of-code-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farionkrause%2Fadvent-of-code-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7e333b74cfde7d42c33cef7b5791a82e37fb45a
[INFO] checking arionkrause/advent-of-code-2015 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farionkrause%2Fadvent-of-code-2015" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arionkrause/advent-of-code-2015 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arionkrause/advent-of-code-2015
[INFO] finished tweaking git repo https://github.com/arionkrause/advent-of-code-2015
[INFO] tweaked toml for git repo https://github.com/arionkrause/advent-of-code-2015 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/arionkrause/advent-of-code-2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b324e8fd0ed8fb2145a4b87ae13fa99949979fc7ab76b0d52eeefee654229f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52b324e8fd0ed8fb2145a4b87ae13fa99949979fc7ab76b0d52eeefee654229f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b324e8fd0ed8fb2145a4b87ae13fa99949979fc7ab76b0d52eeefee654229f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b324e8fd0ed8fb2145a4b87ae13fa99949979fc7ab76b0d52eeefee654229f", kill_on_drop: false }`
[INFO] [stdout] 52b324e8fd0ed8fb2145a4b87ae13fa99949979fc7ab76b0d52eeefee654229f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 728f14642bdd8b01f09e50ab59fec18d630f13ed941dd2dddbcbc5e02ada9df9
[INFO] running `Command { std: "docker" "start" "-a" "728f14642bdd8b01f09e50ab59fec18d630f13ed941dd2dddbcbc5e02ada9df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking advent-of-code-2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day_1.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         (input.chars().filter(|&c| c == '(').count() as isize
[INFO] [stdout] 11 | |                 - input.chars().filter(|&c| c == ')').count() as isize)
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 |         input.chars().filter(|&c| c == '(').count() as isize
[INFO] [stdout] 11 |                 - input.chars().filter(|&c| c == ')').count() as isize
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day_1.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         (input.chars().filter(|&c| c == '(').count() as isize
[INFO] [stdout] 11 | |                 - input.chars().filter(|&c| c == ')').count() as isize)
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 |         input.chars().filter(|&c| c == '(').count() as isize
[INFO] [stdout] 11 |                 - input.chars().filter(|&c| c == ')').count() as isize
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:167:39
[INFO] [stdout]     |
[INFO] [stdout] 167 |     buffer = buffer.replace('\r', "").trim_right().to_owned();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:167:39
[INFO] [stdout]     |
[INFO] [stdout] 167 |     buffer = buffer.replace('\r', "").trim_right().to_owned();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "728f14642bdd8b01f09e50ab59fec18d630f13ed941dd2dddbcbc5e02ada9df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728f14642bdd8b01f09e50ab59fec18d630f13ed941dd2dddbcbc5e02ada9df9", kill_on_drop: false }`
[INFO] [stdout] 728f14642bdd8b01f09e50ab59fec18d630f13ed941dd2dddbcbc5e02ada9df9