[INFO] fetching crate nes-tetris-hard-drop-patcher 0.1.2...
[INFO] checking nes-tetris-hard-drop-patcher-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate nes-tetris-hard-drop-patcher 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nes-tetris-hard-drop-patcher 0.1.2 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 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-3-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mos6502_model v0.2.0
[INFO] [stderr]   Downloaded ines v0.2.0
[INFO] [stderr]   Downloaded meap v0.4.3
[INFO] [stderr]   Downloaded mos6502_assembler v0.2.0
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded libc v0.2.90
[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] b59401ca94daeca37cedb76d46e3939d32fd592616031642ea81eb038001a815
[INFO] running `Command { std: "docker" "start" "-a" "b59401ca94daeca37cedb76d46e3939d32fd592616031642ea81eb038001a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59401ca94daeca37cedb76d46e3939d32fd592616031642ea81eb038001a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59401ca94daeca37cedb76d46e3939d32fd592616031642ea81eb038001a815", kill_on_drop: false }`
[INFO] [stdout] b59401ca94daeca37cedb76d46e3939d32fd592616031642ea81eb038001a815
[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] f706001a1f15572748bdd1b66c4bd80b7b13c3ed5119a5f58a5cc48f2355d02e
[INFO] running `Command { std: "docker" "start" "-a" "f706001a1f15572748bdd1b66c4bd80b7b13c3ed5119a5f58a5cc48f2355d02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking meap v0.4.3
[INFO] [stderr]     Checking mos6502_model v0.2.0
[INFO] [stderr]     Checking ines v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking mos6502_assembler v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.5
[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: 2 warnings emitted
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "f706001a1f15572748bdd1b66c4bd80b7b13c3ed5119a5f58a5cc48f2355d02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f706001a1f15572748bdd1b66c4bd80b7b13c3ed5119a5f58a5cc48f2355d02e", kill_on_drop: false }`
[INFO] [stdout] f706001a1f15572748bdd1b66c4bd80b7b13c3ed5119a5f58a5cc48f2355d02e