[INFO] cloning repository https://github.com/TriForMine/ci-bytecode-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TriForMine/ci-bytecode-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriForMine%2Fci-bytecode-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriForMine%2Fci-bytecode-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61ae58b214f41c7b617933bed44444bf3c68f99a
[INFO] checking TriForMine/ci-bytecode-vm/61ae58b214f41c7b617933bed44444bf3c68f99a against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriForMine%2Fci-bytecode-vm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TriForMine/ci-bytecode-vm on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TriForMine/ci-bytecode-vm
[INFO] finished tweaking git repo https://github.com/TriForMine/ci-bytecode-vm
[INFO] tweaked toml for git repo https://github.com/TriForMine/ci-bytecode-vm written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TriForMine/ci-bytecode-vm 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7601826de63368909caaf2862231a71657017de5218e808032b704ee5f08e457
[INFO] running `Command { std: "docker" "start" "-a" "7601826de63368909caaf2862231a71657017de5218e808032b704ee5f08e457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7601826de63368909caaf2862231a71657017de5218e808032b704ee5f08e457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7601826de63368909caaf2862231a71657017de5218e808032b704ee5f08e457", kill_on_drop: false }`
[INFO] [stdout] 7601826de63368909caaf2862231a71657017de5218e808032b704ee5f08e457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800fa065058dbec09c10ff69bedea0db027631216885e0bbc3d4f68c26065b84
[INFO] running `Command { std: "docker" "start" "-a" "800fa065058dbec09c10ff69bedea0db027631216885e0bbc3d4f68c26065b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ci-bytecode-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `arity` is never read
[INFO] [stdout]    --> src/value.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct NativeFunction {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 184 |     pub name: String,
[INFO] [stdout] 185 |     pub arity: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NativeFunction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arity` is never read
[INFO] [stdout]    --> src/value.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct NativeFunction {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 184 |     pub name: String,
[INFO] [stdout] 185 |     pub arity: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NativeFunction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "800fa065058dbec09c10ff69bedea0db027631216885e0bbc3d4f68c26065b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800fa065058dbec09c10ff69bedea0db027631216885e0bbc3d4f68c26065b84", kill_on_drop: false }`
[INFO] [stdout] 800fa065058dbec09c10ff69bedea0db027631216885e0bbc3d4f68c26065b84