[INFO] cloning repository https://github.com/tanyanbo/vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tanyanbo/vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanyanbo%2Fvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanyanbo%2Fvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42fb8c54ec8b3112237acfc7ebe496e6e7652b7b
[INFO] checking tanyanbo/vm against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanyanbo%2Fvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tanyanbo/vm
[INFO] finished tweaking git repo https://github.com/tanyanbo/vm
[INFO] tweaked toml for git repo https://github.com/tanyanbo/vm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tanyanbo/vm on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tanyanbo/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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62194b5b45e689ef0e5262d3a4ec3b75f9db8bd95b22f303f23157fcb05f29d7
[INFO] running `Command { std: "docker" "start" "-a" "62194b5b45e689ef0e5262d3a4ec3b75f9db8bd95b22f303f23157fcb05f29d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62194b5b45e689ef0e5262d3a4ec3b75f9db8bd95b22f303f23157fcb05f29d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62194b5b45e689ef0e5262d3a4ec3b75f9db8bd95b22f303f23157fcb05f29d7", kill_on_drop: false }`
[INFO] [stdout] 62194b5b45e689ef0e5262d3a4ec3b75f9db8bd95b22f303f23157fcb05f29d7
[INFO] checking tanyanbo/vm against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanyanbo%2Fvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tanyanbo/vm
[INFO] finished tweaking git repo https://github.com/tanyanbo/vm
[INFO] tweaked toml for git repo https://github.com/tanyanbo/vm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tanyanbo/vm on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tanyanbo/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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7464876584cae8c2ca3ab268cce9afe6fa9b3f2cc7d1dd643230300c37f90c7
[INFO] running `Command { std: "docker" "start" "-a" "f7464876584cae8c2ca3ab268cce9afe6fa9b3f2cc7d1dd643230300c37f90c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7464876584cae8c2ca3ab268cce9afe6fa9b3f2cc7d1dd643230300c37f90c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7464876584cae8c2ca3ab268cce9afe6fa9b3f2cc7d1dd643230300c37f90c7", kill_on_drop: false }`
[INFO] [stdout] f7464876584cae8c2ca3ab268cce9afe6fa9b3f2cc7d1dd643230300c37f90c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f6454fba2f0b5a2a0bdf81abdd831e3613c23cc5e9e33e7338e34578a4931d
[INFO] running `Command { std: "docker" "start" "-a" "33f6454fba2f0b5a2a0bdf81abdd831e3613c23cc5e9e33e7338e34578a4931d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vars` is never read
[INFO] [stdout]   --> src/value/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Function {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 19 |         vars: Vec<Var>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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 `vars` is never read
[INFO] [stdout]   --> src/value/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Function {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 19 |         vars: Vec<Var>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "33f6454fba2f0b5a2a0bdf81abdd831e3613c23cc5e9e33e7338e34578a4931d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f6454fba2f0b5a2a0bdf81abdd831e3613c23cc5e9e33e7338e34578a4931d", kill_on_drop: false }`
[INFO] [stdout] 33f6454fba2f0b5a2a0bdf81abdd831e3613c23cc5e9e33e7338e34578a4931d