[INFO] fetching crate nes-tetris-hard-drop-patcher 0.1.2...
[INFO] checking nes-tetris-hard-drop-patcher-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate nes-tetris-hard-drop-patcher 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nes-tetris-hard-drop-patcher 0.1.2
[INFO] finished tweaking crates.io crate nes-tetris-hard-drop-patcher 0.1.2
[INFO] tweaked toml for crates.io crate nes-tetris-hard-drop-patcher 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nes-tetris-hard-drop-patcher 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nes-tetris-hard-drop-patcher 0.1.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dbebd6c85d318da4beb414d0fb5bfc5db5fba928946981b7e92b83b39e31f92
[INFO] running `Command { std: "docker" "start" "-a" "4dbebd6c85d318da4beb414d0fb5bfc5db5fba928946981b7e92b83b39e31f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbebd6c85d318da4beb414d0fb5bfc5db5fba928946981b7e92b83b39e31f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbebd6c85d318da4beb414d0fb5bfc5db5fba928946981b7e92b83b39e31f92", kill_on_drop: false }`
[INFO] [stdout] 4dbebd6c85d318da4beb414d0fb5bfc5db5fba928946981b7e92b83b39e31f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688f2533be2a0bf9b8b8cca8008dcfbbf9ef6d2053d5af247fe4a3f6dc69b161
[INFO] running `Command { std: "docker" "start" "-a" "688f2533be2a0bf9b8b8cca8008dcfbbf9ef6d2053d5af247fe4a3f6dc69b161", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking meap v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking mos6502_model v0.2.0
[INFO] [stderr]     Checking ines v0.2.0
[INFO] [stderr]     Checking mos6502_assembler v0.2.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking nes-tetris-hard-drop-patcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout] 333 | |                 .copy_from_slice(&code_to_replace_with);
[INFO] [stdout]     | |_______________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 | /             &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout] 368 | |                 .copy_from_slice(&code_to_replace_with);
[INFO] [stdout]     | |_______________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |             let _ = &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout] 333 | |                 .copy_from_slice(&code_to_replace_with);
[INFO] [stdout]     | |_______________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 | /             &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout] 368 | |                 .copy_from_slice(&code_to_replace_with);
[INFO] [stdout]     | |_______________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |             let _ = &mut ines.prg_rom[base..(base + code_to_replace.len())]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "688f2533be2a0bf9b8b8cca8008dcfbbf9ef6d2053d5af247fe4a3f6dc69b161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688f2533be2a0bf9b8b8cca8008dcfbbf9ef6d2053d5af247fe4a3f6dc69b161", kill_on_drop: false }`
[INFO] [stdout] 688f2533be2a0bf9b8b8cca8008dcfbbf9ef6d2053d5af247fe4a3f6dc69b161