[INFO] cloning repository https://github.com/johnterickson/lutcomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnterickson/lutcomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Flutcomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Flutcomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 230cadd22da69b5398bb89ab5814ac1746eb186f
[INFO] checking johnterickson/lutcomp against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Flutcomp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnterickson/lutcomp on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnterickson/lutcomp
[INFO] finished tweaking git repo https://github.com/johnterickson/lutcomp
[INFO] tweaked toml for git repo https://github.com/johnterickson/lutcomp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/johnterickson/lutcomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf32bdf803f7ce5b8f09dda96d40a5a77fe53c5ba473bb3b1f7455c4e18d0d9
[INFO] running `Command { std: "docker" "start" "-a" "adf32bdf803f7ce5b8f09dda96d40a5a77fe53c5ba473bb3b1f7455c4e18d0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf32bdf803f7ce5b8f09dda96d40a5a77fe53c5ba473bb3b1f7455c4e18d0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf32bdf803f7ce5b8f09dda96d40a5a77fe53c5ba473bb3b1f7455c4e18d0d9", kill_on_drop: false }`
[INFO] [stdout] adf32bdf803f7ce5b8f09dda96d40a5a77fe53c5ba473bb3b1f7455c4e18d0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e1c47cd74e767f64db63299ba9900155999b0945223197a52b34dbf5b6378e9
[INFO] running `Command { std: "docker" "start" "-a" "7e1c47cd74e767f64db63299ba9900155999b0945223197a52b34dbf5b6378e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling packed_struct v0.5.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking alu_exp v0.1.0 (/opt/rustwide/workdir/alu_exp)
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling packed_struct_codegen v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking alu v0.1.0 (/opt/rustwide/workdir/alu)
[INFO] [stderr]     Checking ucode v0.1.0 (/opt/rustwide/workdir/ucode)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> alu/src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PackedStruct)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> alu/src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PackedStruct)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> ucode/src/lib.rs:204:17
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[derive(Debug, PackedStruct)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sim v0.1.0 (/opt/rustwide/workdir/sim)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> ucode/src/lib.rs:204:17
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[derive(Debug, PackedStruct)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assemble v0.1.0 (/opt/rustwide/workdir/assemble)
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "7e1c47cd74e767f64db63299ba9900155999b0945223197a52b34dbf5b6378e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1c47cd74e767f64db63299ba9900155999b0945223197a52b34dbf5b6378e9", kill_on_drop: false }`
[INFO] [stdout] 7e1c47cd74e767f64db63299ba9900155999b0945223197a52b34dbf5b6378e9