[INFO] cloning repository https://github.com/dennorak/landlord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dennorak/landlord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennorak%2Flandlord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennorak%2Flandlord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 709b9f7d00c2d8766a7c30f684b235e6f1bdbf80
[INFO] checking dennorak/landlord against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennorak%2Flandlord" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dennorak/landlord
[INFO] finished tweaking git repo https://github.com/dennorak/landlord
[INFO] tweaked toml for git repo https://github.com/dennorak/landlord written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dennorak/landlord on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dennorak/landlord 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" "+32cd9114712a24010b0583624dc52ac302194128" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51d301aff56212128f19eddb4f30cd439516ab03eb294518af8ff59299829971
[INFO] running `Command { std: "docker" "start" "-a" "51d301aff56212128f19eddb4f30cd439516ab03eb294518af8ff59299829971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51d301aff56212128f19eddb4f30cd439516ab03eb294518af8ff59299829971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d301aff56212128f19eddb4f30cd439516ab03eb294518af8ff59299829971", kill_on_drop: false }`
[INFO] [stdout] 51d301aff56212128f19eddb4f30cd439516ab03eb294518af8ff59299829971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc0a17f0780ae0a2ad07974548f0c26a42616e0dc7aa0aef18c0985ccb1bedf
[INFO] running `Command { std: "docker" "start" "-a" "fdc0a17f0780ae0a2ad07974548f0c26a42616e0dc7aa0aef18c0985ccb1bedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking landlord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sequence`
[INFO] [stdout]    --> src/main.rs:304:22
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `play`
[INFO] [stdout]    --> src/main.rs:304:44
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_play`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_count`
[INFO] [stdout]    --> src/main.rs:304:57
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Game
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 112 | {
[INFO] [stdout] 113 |     fn new() -> Self
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence`
[INFO] [stdout]    --> src/main.rs:304:22
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `play`
[INFO] [stdout]    --> src/main.rs:304:44
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_play`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_count`
[INFO] [stdout]    --> src/main.rs:304:57
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn is_valid_play(sequence: &Vec<Play>, play: &Play, pass_count: u8) -> bool
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Game
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 112 | {
[INFO] [stdout] 113 |     fn new() -> Self
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "fdc0a17f0780ae0a2ad07974548f0c26a42616e0dc7aa0aef18c0985ccb1bedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc0a17f0780ae0a2ad07974548f0c26a42616e0dc7aa0aef18c0985ccb1bedf", kill_on_drop: false }`
[INFO] [stdout] fdc0a17f0780ae0a2ad07974548f0c26a42616e0dc7aa0aef18c0985ccb1bedf