[INFO] cloning repository https://github.com/jonathanlofgren/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathanlofgren/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bdee1bac231ee5e88317ed957de8123e5b640fc
[INFO] building jonathanlofgren/advent_of_code_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%2Fjonathanlofgren%2Fadvent_of_code_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/jonathanlofgren/advent_of_code_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/jonathanlofgren/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/jonathanlofgren/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/jonathanlofgren/advent_of_code_2020 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonathanlofgren/advent_of_code_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]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32e373c586176df820e153a1e922acede1e6b42fd0ad36268d8ac5cd330894b6
[INFO] running `Command { std: "docker" "start" "-a" "32e373c586176df820e153a1e922acede1e6b42fd0ad36268d8ac5cd330894b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e373c586176df820e153a1e922acede1e6b42fd0ad36268d8ac5cd330894b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e373c586176df820e153a1e922acede1e6b42fd0ad36268d8ac5cd330894b6", kill_on_drop: false }`
[INFO] [stdout] 32e373c586176df820e153a1e922acede1e6b42fd0ad36268d8ac5cd330894b6
[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 -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] 812e90bc0a93ce5c7943295461f6567eda29813b7cad9f437fda1ec0cd56ae9a
[INFO] running `Command { std: "docker" "start" "-a" "812e90bc0a93ce5c7943295461f6567eda29813b7cad9f437fda1ec0cd56ae9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[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 advent_of_code v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day_7.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout]    |                                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<Bags>` does not implement `Clone`, so calling `clone` on `&Vec<Bags>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout] 52 +         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "812e90bc0a93ce5c7943295461f6567eda29813b7cad9f437fda1ec0cd56ae9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812e90bc0a93ce5c7943295461f6567eda29813b7cad9f437fda1ec0cd56ae9a", kill_on_drop: false }`
[INFO] [stdout] 812e90bc0a93ce5c7943295461f6567eda29813b7cad9f437fda1ec0cd56ae9a
[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 -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] 6c80c7b592ad8f51497814f236c886ad96bd7736c4a70372bb523625a1aa5bef
[INFO] running `Command { std: "docker" "start" "-a" "6c80c7b592ad8f51497814f236c886ad96bd7736c4a70372bb523625a1aa5bef", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day_7.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout]    |                                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<Bags>` does not implement `Clone`, so calling `clone` on `&Vec<Bags>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout] 52 +         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent_of_code v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day_7.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout]    |                                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<day_7::Bags>` does not implement `Clone`, so calling `clone` on `&Vec<day_7::Bags>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone()))
[INFO] [stdout] 52 +         .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6c80c7b592ad8f51497814f236c886ad96bd7736c4a70372bb523625a1aa5bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c80c7b592ad8f51497814f236c886ad96bd7736c4a70372bb523625a1aa5bef", kill_on_drop: false }`
[INFO] [stdout] 6c80c7b592ad8f51497814f236c886ad96bd7736c4a70372bb523625a1aa5bef