[INFO] cloning repository https://github.com/charlesfrye/nand-to-tet.rs-assembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesfrye/nand-to-tet.rs-assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fnand-to-tet.rs-assembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fnand-to-tet.rs-assembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8209cc803705aa9820d078c4ca4147a52ebdde7
[INFO] checking charlesfrye/nand-to-tet.rs-assembler against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fnand-to-tet.rs-assembler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlesfrye/nand-to-tet.rs-assembler on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charlesfrye/nand-to-tet.rs-assembler
[INFO] finished tweaking git repo https://github.com/charlesfrye/nand-to-tet.rs-assembler
[INFO] tweaked toml for git repo https://github.com/charlesfrye/nand-to-tet.rs-assembler written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/charlesfrye/nand-to-tet.rs-assembler 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca9d321082b12ce9a96cb23f6677f14c220693943a3fcd67f854573364c0a4d7
[INFO] running `Command { std: "docker" "start" "-a" "ca9d321082b12ce9a96cb23f6677f14c220693943a3fcd67f854573364c0a4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9d321082b12ce9a96cb23f6677f14c220693943a3fcd67f854573364c0a4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9d321082b12ce9a96cb23f6677f14c220693943a3fcd67f854573364c0a4d7", kill_on_drop: false }`
[INFO] [stdout] ca9d321082b12ce9a96cb23f6677f14c220693943a3fcd67f854573364c0a4d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0589d5a4ebac44cd2c22544488a73e9b2c5a80114aab36feb88d06f50dd4c439
[INFO] running `Command { std: "docker" "start" "-a" "0589d5a4ebac44cd2c22544488a73e9b2c5a80114aab36feb88d06f50dd4c439", kill_on_drop: false }`
[INFO] [stderr]     Checking hack_asm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]   --> src/symbol_table/mod.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut table = SymbolTable::new();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/symbol_table/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut table = SymbolTable::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0589d5a4ebac44cd2c22544488a73e9b2c5a80114aab36feb88d06f50dd4c439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0589d5a4ebac44cd2c22544488a73e9b2c5a80114aab36feb88d06f50dd4c439", kill_on_drop: false }`
[INFO] [stdout] 0589d5a4ebac44cd2c22544488a73e9b2c5a80114aab36feb88d06f50dd4c439