[INFO] cloning repository https://github.com/swaggy/advent-of-code-2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swaggy/advent-of-code-2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaggy%2Fadvent-of-code-2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaggy%2Fadvent-of-code-2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39e6efc8e93955bbf600b1418e85cda33da69de1
[INFO] checking swaggy/advent-of-code-2017 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaggy%2Fadvent-of-code-2017" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swaggy/advent-of-code-2017 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swaggy/advent-of-code-2017
[INFO] finished tweaking git repo https://github.com/swaggy/advent-of-code-2017
[INFO] tweaked toml for git repo https://github.com/swaggy/advent-of-code-2017 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/swaggy/advent-of-code-2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", 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] 93d8872237bf8de13f3d97ec4d186cfed47cdc2c6b634781dee74843fbede25e
[INFO] running `Command { std: "docker" "start" "-a" "93d8872237bf8de13f3d97ec4d186cfed47cdc2c6b634781dee74843fbede25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d8872237bf8de13f3d97ec4d186cfed47cdc2c6b634781dee74843fbede25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d8872237bf8de13f3d97ec4d186cfed47cdc2c6b634781dee74843fbede25e", kill_on_drop: false }`
[INFO] [stdout] 93d8872237bf8de13f3d97ec4d186cfed47cdc2c6b634781dee74843fbede25e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f0007b7fd60ad99a4bc9243dd1791117f67deff53c495625e7b8a68d0fdd460
[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" "5f0007b7fd60ad99a4bc9243dd1791117f67deff53c495625e7b8a68d0fdd460", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking advent-of-code-2017 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day_2.rs:18:69
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_checksum(number_lines: &Vec<Vec<u32>>, line_value_operator: &Fn(&Vec<u32>) -> u32) -> u32 {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<u32>) -> u32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day_2.rs:18:69
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_checksum(number_lines: &Vec<Vec<u32>>, line_value_operator: &Fn(&Vec<u32>) -> u32) -> u32 {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<u32>) -> u32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "5f0007b7fd60ad99a4bc9243dd1791117f67deff53c495625e7b8a68d0fdd460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0007b7fd60ad99a4bc9243dd1791117f67deff53c495625e7b8a68d0fdd460", kill_on_drop: false }`
[INFO] [stdout] 5f0007b7fd60ad99a4bc9243dd1791117f67deff53c495625e7b8a68d0fdd460