[INFO] fetching crate zkvmc-trace 0.0.1...
[INFO] testing zkvmc-trace-0.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate zkvmc-trace 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate zkvmc-trace 0.0.1
[INFO] finished tweaking crates.io crate zkvmc-trace 0.0.1
[INFO] tweaked toml for crates.io crate zkvmc-trace 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zkvmc-trace 0.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zkvmc-trace 0.0.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fa5d30f8d756e783f584d8e18295dc2e44b95a49e42d1195420f77725ab5d7
[INFO] running `Command { std: "docker" "start" "-a" "f4fa5d30f8d756e783f584d8e18295dc2e44b95a49e42d1195420f77725ab5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fa5d30f8d756e783f584d8e18295dc2e44b95a49e42d1195420f77725ab5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fa5d30f8d756e783f584d8e18295dc2e44b95a49e42d1195420f77725ab5d7", kill_on_drop: false }`
[INFO] [stdout] f4fa5d30f8d756e783f584d8e18295dc2e44b95a49e42d1195420f77725ab5d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6c544c5f4683a5bff12dd98b2e62fa13d5ea3d398d53e5c051bc4ae07eb5d8
[INFO] running `Command { std: "docker" "start" "-a" "0f6c544c5f4683a5bff12dd98b2e62fa13d5ea3d398d53e5c051bc4ae07eb5d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkvmc-trace v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Collector` is never used
[INFO] [stdout]  --> src/collect.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Collector {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[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 0.05s
[INFO] running `Command { std: "docker" "inspect" "0f6c544c5f4683a5bff12dd98b2e62fa13d5ea3d398d53e5c051bc4ae07eb5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6c544c5f4683a5bff12dd98b2e62fa13d5ea3d398d53e5c051bc4ae07eb5d8", kill_on_drop: false }`
[INFO] [stdout] 0f6c544c5f4683a5bff12dd98b2e62fa13d5ea3d398d53e5c051bc4ae07eb5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 561bffb98e33ca1f862a9289db781abb484986361e3ca6c992a04c3d72722ea2
[INFO] running `Command { std: "docker" "start" "-a" "561bffb98e33ca1f862a9289db781abb484986361e3ca6c992a04c3d72722ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkvmc-trace v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Collector` is never used
[INFO] [stdout]  --> src/collect.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Collector {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Collector` is never used
[INFO] [stdout]  --> src/collect.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Collector {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[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 0.10s
[INFO] running `Command { std: "docker" "inspect" "561bffb98e33ca1f862a9289db781abb484986361e3ca6c992a04c3d72722ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561bffb98e33ca1f862a9289db781abb484986361e3ca6c992a04c3d72722ea2", kill_on_drop: false }`
[INFO] [stdout] 561bffb98e33ca1f862a9289db781abb484986361e3ca6c992a04c3d72722ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ff4043e49c718618fa82efa37501c346401afb5574f5398feb40d2e7414b55e
[INFO] running `Command { std: "docker" "start" "-a" "3ff4043e49c718618fa82efa37501c346401afb5574f5398feb40d2e7414b55e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Collector` is never used
[INFO] [stderr]  --> src/collect.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait Collector {
[INFO] [stderr]   |           ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zkvmc-trace` (lib) generated 1 warning
[INFO] [stderr] warning: `zkvmc-trace` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zkvmc_trace-61174793e53b4001)
[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] [stderr]    Doc-tests zkvmc_trace
[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" "3ff4043e49c718618fa82efa37501c346401afb5574f5398feb40d2e7414b55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff4043e49c718618fa82efa37501c346401afb5574f5398feb40d2e7414b55e", kill_on_drop: false }`
[INFO] [stdout] 3ff4043e49c718618fa82efa37501c346401afb5574f5398feb40d2e7414b55e