[INFO] cloning repository https://github.com/EpicEric/rust-aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EpicEric/rust-aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEpicEric%2Frust-aoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEpicEric%2Frust-aoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bc5ef5fe3d5657e0710636c5f0217f692f76b79
[INFO] building EpicEric/rust-aoc-2020 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%2FEpicEric%2Frust-aoc-2020" "/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/EpicEric/rust-aoc-2020 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/EpicEric/rust-aoc-2020
[INFO] finished tweaking git repo https://github.com/EpicEric/rust-aoc-2020
[INFO] tweaked toml for git repo https://github.com/EpicEric/rust-aoc-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EpicEric/rust-aoc-2020 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[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] 9df3b718703815f412992d9434b8d1af6075303bdb73fa5ed5a88319fa7c4a88
[INFO] running `Command { std: "docker" "start" "-a" "9df3b718703815f412992d9434b8d1af6075303bdb73fa5ed5a88319fa7c4a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df3b718703815f412992d9434b8d1af6075303bdb73fa5ed5a88319fa7c4a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df3b718703815f412992d9434b8d1af6075303bdb73fa5ed5a88319fa7c4a88", kill_on_drop: false }`
[INFO] [stdout] 9df3b718703815f412992d9434b8d1af6075303bdb73fa5ed5a88319fa7c4a88
[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] 4f4b96ef3b240e998c7dc1c4938a9a0e2040b9c2521ad29e14c7c493c87258f2
[INFO] running `Command { std: "docker" "start" "-a" "4f4b96ef3b240e998c7dc1c4938a9a0e2040b9c2521ad29e14c7c493c87258f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rust-aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Camera` instead of cloning the inner type
[INFO] [stdout]    --> src/day20.rs:334:32
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     Some(camera.clone())
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Camera` instead of cloning the inner type
[INFO] [stdout]    --> src/day20.rs:367:32
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     Some(camera.clone())
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "4f4b96ef3b240e998c7dc1c4938a9a0e2040b9c2521ad29e14c7c493c87258f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4b96ef3b240e998c7dc1c4938a9a0e2040b9c2521ad29e14c7c493c87258f2", kill_on_drop: false }`
[INFO] [stdout] 4f4b96ef3b240e998c7dc1c4938a9a0e2040b9c2521ad29e14c7c493c87258f2
[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] 97f8aeb0201b20e254d7e6d2e1227c0caf58b814b12100a5dc64f9eb73f98332
[INFO] running `Command { std: "docker" "start" "-a" "97f8aeb0201b20e254d7e6d2e1227c0caf58b814b12100a5dc64f9eb73f98332", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Camera` instead of cloning the inner type
[INFO] [stdout]    --> src/day20.rs:334:32
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     Some(camera.clone())
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Camera` instead of cloning the inner type
[INFO] [stdout]    --> src/day20.rs:367:32
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     Some(camera.clone())
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "97f8aeb0201b20e254d7e6d2e1227c0caf58b814b12100a5dc64f9eb73f98332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f8aeb0201b20e254d7e6d2e1227c0caf58b814b12100a5dc64f9eb73f98332", kill_on_drop: false }`
[INFO] [stdout] 97f8aeb0201b20e254d7e6d2e1227c0caf58b814b12100a5dc64f9eb73f98332