[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] checking EpicEric/rust-aoc-2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEpicEric%2Frust-aoc-2020" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EpicEric/rust-aoc-2020 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4bbe86c2c19c24aa42b13e5126ce74e34b2c831f8c36d01201fee98c9d7813b
[INFO] running `Command { std: "docker" "start" "-a" "e4bbe86c2c19c24aa42b13e5126ce74e34b2c831f8c36d01201fee98c9d7813b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4bbe86c2c19c24aa42b13e5126ce74e34b2c831f8c36d01201fee98c9d7813b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bbe86c2c19c24aa42b13e5126ce74e34b2c831f8c36d01201fee98c9d7813b", kill_on_drop: false }`
[INFO] [stdout] e4bbe86c2c19c24aa42b13e5126ce74e34b2c831f8c36d01201fee98c9d7813b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e357075fc1d70e3e9a41680f6c83110f446d3b94bd97c96e808f64cf19ed166
[INFO] running `Command { std: "docker" "start" "-a" "4e357075fc1d70e3e9a41680f6c83110f446d3b94bd97c96e808f64cf19ed166", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking 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] [stdout] warning: 2 warnings emitted
[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: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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "4e357075fc1d70e3e9a41680f6c83110f446d3b94bd97c96e808f64cf19ed166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e357075fc1d70e3e9a41680f6c83110f446d3b94bd97c96e808f64cf19ed166", kill_on_drop: false }`
[INFO] [stdout] 4e357075fc1d70e3e9a41680f6c83110f446d3b94bd97c96e808f64cf19ed166
[INFO] checking EpicEric/rust-aoc-2020 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEpicEric%2Frust-aoc-2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EpicEric/rust-aoc-2020 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad5576a9f7c1313733d5c5e015826d3ad70d16ec039bf7cacce7c7161447aeb
[INFO] running `Command { std: "docker" "start" "-a" "8ad5576a9f7c1313733d5c5e015826d3ad70d16ec039bf7cacce7c7161447aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad5576a9f7c1313733d5c5e015826d3ad70d16ec039bf7cacce7c7161447aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad5576a9f7c1313733d5c5e015826d3ad70d16ec039bf7cacce7c7161447aeb", kill_on_drop: false }`
[INFO] [stdout] 8ad5576a9f7c1313733d5c5e015826d3ad70d16ec039bf7cacce7c7161447aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425e4ebf6342a7f49eb3c2c7880b4ba19bde85ccc80e75092bd064b8dabd185e
[INFO] running `Command { std: "docker" "start" "-a" "425e4ebf6342a7f49eb3c2c7880b4ba19bde85ccc80e75092bd064b8dabd185e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking 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] [stdout] warning: 2 warnings emitted
[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: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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "425e4ebf6342a7f49eb3c2c7880b4ba19bde85ccc80e75092bd064b8dabd185e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425e4ebf6342a7f49eb3c2c7880b4ba19bde85ccc80e75092bd064b8dabd185e", kill_on_drop: false }`
[INFO] [stdout] 425e4ebf6342a7f49eb3c2c7880b4ba19bde85ccc80e75092bd064b8dabd185e