[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] testing tanyanbo/vm against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanyanbo%2Fvm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tanyanbo/vm on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5357d521c5f7c67e3df0f2bec05d31e48fedfafa0e03c930fbe7b091192227c8
[INFO] running `Command { std: "docker" "start" "-a" "5357d521c5f7c67e3df0f2bec05d31e48fedfafa0e03c930fbe7b091192227c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5357d521c5f7c67e3df0f2bec05d31e48fedfafa0e03c930fbe7b091192227c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5357d521c5f7c67e3df0f2bec05d31e48fedfafa0e03c930fbe7b091192227c8", kill_on_drop: false }`
[INFO] [stdout] 5357d521c5f7c67e3df0f2bec05d31e48fedfafa0e03c930fbe7b091192227c8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7ae65ba7b0f9165dda93b8f62f2dc1d158e1c9d5cf2956162e2693e9544ce6f
[INFO] running `Command { std: "docker" "start" "-a" "e7ae65ba7b0f9165dda93b8f62f2dc1d158e1c9d5cf2956162e2693e9544ce6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "e7ae65ba7b0f9165dda93b8f62f2dc1d158e1c9d5cf2956162e2693e9544ce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ae65ba7b0f9165dda93b8f62f2dc1d158e1c9d5cf2956162e2693e9544ce6f", kill_on_drop: false }`
[INFO] [stdout] e7ae65ba7b0f9165dda93b8f62f2dc1d158e1c9d5cf2956162e2693e9544ce6f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a962ec889cb7132127ff4dd9bcb04d4ac0c6e27accdc37e1216af41473d6b870
[INFO] running `Command { std: "docker" "start" "-a" "a962ec889cb7132127ff4dd9bcb04d4ac0c6e27accdc37e1216af41473d6b870", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "a962ec889cb7132127ff4dd9bcb04d4ac0c6e27accdc37e1216af41473d6b870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962ec889cb7132127ff4dd9bcb04d4ac0c6e27accdc37e1216af41473d6b870", kill_on_drop: false }`
[INFO] [stdout] a962ec889cb7132127ff4dd9bcb04d4ac0c6e27accdc37e1216af41473d6b870
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38703d55eee60a32fdb27e4c1cc368b1acc348d7ae4da1aa0022a8c5d4e764b3
[INFO] running `Command { std: "docker" "start" "-a" "38703d55eee60a32fdb27e4c1cc368b1acc348d7ae4da1aa0022a8c5d4e764b3", kill_on_drop: false }`
[INFO] [stderr] warning: field `vars` is never read
[INFO] [stderr]   --> src/value/mod.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Function {
[INFO] [stderr]    |     -------- field in this variant
[INFO] [stderr] ...
[INFO] [stderr] 19 |         vars: Vec<Var>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vm` (bin "vm" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vm-fb8f980fc643bcce)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38703d55eee60a32fdb27e4c1cc368b1acc348d7ae4da1aa0022a8c5d4e764b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38703d55eee60a32fdb27e4c1cc368b1acc348d7ae4da1aa0022a8c5d4e764b3", kill_on_drop: false }`
[INFO] [stdout] 38703d55eee60a32fdb27e4c1cc368b1acc348d7ae4da1aa0022a8c5d4e764b3