[INFO] cloning repository https://github.com/ShiftingDawn/Feylon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShiftingDawn/Feylon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiftingDawn%2FFeylon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiftingDawn%2FFeylon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e602e414ddcffbcb7eac3338b0de921cb10aec
[INFO] checking ShiftingDawn/Feylon against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiftingDawn%2FFeylon" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ShiftingDawn/Feylon
[INFO] finished tweaking git repo https://github.com/ShiftingDawn/Feylon
[INFO] tweaked toml for git repo https://github.com/ShiftingDawn/Feylon written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ShiftingDawn/Feylon on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ShiftingDawn/Feylon 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8f9be84b4c1bdd6f5f7a6fd9fb43e3ae5714412875e3e3d7eae836c24ae2a98
[INFO] running `Command { std: "docker" "start" "-a" "c8f9be84b4c1bdd6f5f7a6fd9fb43e3ae5714412875e3e3d7eae836c24ae2a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f9be84b4c1bdd6f5f7a6fd9fb43e3ae5714412875e3e3d7eae836c24ae2a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f9be84b4c1bdd6f5f7a6fd9fb43e3ae5714412875e3e3d7eae836c24ae2a98", kill_on_drop: false }`
[INFO] [stdout] c8f9be84b4c1bdd6f5f7a6fd9fb43e3ae5714412875e3e3d7eae836c24ae2a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af3b708d5d914d741b22b7281d367c0b1b6de330e652e859de4fc550aba390bf
[INFO] running `Command { std: "docker" "start" "-a" "af3b708d5d914d741b22b7281d367c0b1b6de330e652e859de4fc550aba390bf", kill_on_drop: false }`
[INFO] [stderr]     Checking feylon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/tokenizer.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MemoryDef {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     pub ptr: usize,
[INFO] [stdout] 13 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PushPtr` is never constructed
[INFO] [stdout]   --> src/tokenizer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Op {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] 41 |     PushInt(u64),
[INFO] [stdout] 42 |     PushPtr(usize),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/tokenizer.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MemoryDef {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     pub ptr: usize,
[INFO] [stdout] 13 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PushPtr` is never constructed
[INFO] [stdout]   --> src/tokenizer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Op {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] 41 |     PushInt(u64),
[INFO] [stdout] 42 |     PushPtr(usize),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "af3b708d5d914d741b22b7281d367c0b1b6de330e652e859de4fc550aba390bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3b708d5d914d741b22b7281d367c0b1b6de330e652e859de4fc550aba390bf", kill_on_drop: false }`
[INFO] [stdout] af3b708d5d914d741b22b7281d367c0b1b6de330e652e859de4fc550aba390bf