[INFO] cloning repository https://github.com/tyler-hoffman/aoc-2016-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyler-hoffman/aoc-2016-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler-hoffman%2Faoc-2016-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler-hoffman%2Faoc-2016-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 622b79955a1635c1b6ac5917c792677560f87182
[INFO] building tyler-hoffman/aoc-2016-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler-hoffman%2Faoc-2016-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyler-hoffman/aoc-2016-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyler-hoffman/aoc-2016-rust
[INFO] finished tweaking git repo https://github.com/tyler-hoffman/aoc-2016-rust
[INFO] tweaked toml for git repo https://github.com/tyler-hoffman/aoc-2016-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tyler-hoffman/aoc-2016-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c8a73c27f7898eaba501a100cf9e101d3106eba1f628711f48ce49a98b00de6
[INFO] running `Command { std: "docker" "start" "-a" "7c8a73c27f7898eaba501a100cf9e101d3106eba1f628711f48ce49a98b00de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8a73c27f7898eaba501a100cf9e101d3106eba1f628711f48ce49a98b00de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8a73c27f7898eaba501a100cf9e101d3106eba1f628711f48ce49a98b00de6", kill_on_drop: false }`
[INFO] [stdout] 7c8a73c27f7898eaba501a100cf9e101d3106eba1f628711f48ce49a98b00de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a96573ea15f720ddfc8497547b525160794df33786d8b8f774c2eaec7a4e2a
[INFO] running `Command { std: "docker" "start" "-a" "f1a96573ea15f720ddfc8497547b525160794df33786d8b8f774c2eaec7a4e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling advent-of-code-2016-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `FIRST_LETTER` is never used
[INFO] [stdout]   --> src/bin/04/common.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const FIRST_LETTER: u32 = 'a' as u32;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DASH` is never used
[INFO] [stdout]   --> src/bin/04/common.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const DASH: u32 = '-' as u32;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decrypted_name` is never used
[INFO] [stdout]   --> src/bin/04/common.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Room {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn decrypted_name(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "f1a96573ea15f720ddfc8497547b525160794df33786d8b8f774c2eaec7a4e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a96573ea15f720ddfc8497547b525160794df33786d8b8f774c2eaec7a4e2a", kill_on_drop: false }`
[INFO] [stdout] f1a96573ea15f720ddfc8497547b525160794df33786d8b8f774c2eaec7a4e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b563028178abb8ca135c47f160d5c9e8781a0e2f6960e336ce902a244198f1c
[INFO] running `Command { std: "docker" "start" "-a" "4b563028178abb8ca135c47f160d5c9e8781a0e2f6960e336ce902a244198f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2016-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "4b563028178abb8ca135c47f160d5c9e8781a0e2f6960e336ce902a244198f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b563028178abb8ca135c47f160d5c9e8781a0e2f6960e336ce902a244198f1c", kill_on_drop: false }`
[INFO] [stdout] 4b563028178abb8ca135c47f160d5c9e8781a0e2f6960e336ce902a244198f1c