[INFO] cloning repository https://github.com/lbialy/advent-of-code-2017-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbialy/advent-of-code-2017-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbialy%2Fadvent-of-code-2017-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbialy%2Fadvent-of-code-2017-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6607a3d3185a8c65eebc386d51b4c26efe242cb1
[INFO] checking lbialy/advent-of-code-2017-rust against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbialy%2Fadvent-of-code-2017-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbialy/advent-of-code-2017-rust on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lbialy/advent-of-code-2017-rust
[INFO] finished tweaking git repo https://github.com/lbialy/advent-of-code-2017-rust
[INFO] tweaked toml for git repo https://github.com/lbialy/advent-of-code-2017-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lbialy/advent-of-code-2017-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e5b3343b436c34d31933980157463f72061c79f872d50d7389220aaea54f4ff
[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" "3e5b3343b436c34d31933980157463f72061c79f872d50d7389220aaea54f4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e5b3343b436c34d31933980157463f72061c79f872d50d7389220aaea54f4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5b3343b436c34d31933980157463f72061c79f872d50d7389220aaea54f4ff", kill_on_drop: false }`
[INFO] [stdout] 3e5b3343b436c34d31933980157463f72061c79f872d50d7389220aaea54f4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 2d31c7037473af65c8ee52c0712605dd78dde6decaf3836c3591cf20aba2346a
[INFO] running `Command { std: "docker" "start" "-a" "2d31c7037473af65c8ee52c0712605dd78dde6decaf3836c3591cf20aba2346a", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2017-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn calculate_checksum(spreadsheet: &str, line_func: &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/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let puzzles: Vec<Box<Puzzle>> = vec![
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Puzzle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day2.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn calculate_checksum(spreadsheet: &str, line_func: &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/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let puzzles: Vec<Box<Puzzle>> = vec![
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Puzzle`
[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 0.46s
[INFO] running `Command { std: "docker" "inspect" "2d31c7037473af65c8ee52c0712605dd78dde6decaf3836c3591cf20aba2346a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d31c7037473af65c8ee52c0712605dd78dde6decaf3836c3591cf20aba2346a", kill_on_drop: false }`
[INFO] [stdout] 2d31c7037473af65c8ee52c0712605dd78dde6decaf3836c3591cf20aba2346a