[INFO] fetching crate vkgen 2.2.1...
[INFO] testing vkgen-2.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate vkgen 2.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate vkgen 2.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vkgen 2.2.1
[INFO] finished tweaking crates.io crate vkgen 2.2.1
[INFO] tweaked toml for crates.io crate vkgen 2.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate vkgen 2.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e53d555952310f8f56de2d8a22342d8c12b0a3f4ef3fa7d5c3909b8fce6b995
[INFO] running `Command { std: "docker" "start" "-a" "5e53d555952310f8f56de2d8a22342d8c12b0a3f4ef3fa7d5c3909b8fce6b995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e53d555952310f8f56de2d8a22342d8c12b0a3f4ef3fa7d5c3909b8fce6b995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e53d555952310f8f56de2d8a22342d8c12b0a3f4ef3fa7d5c3909b8fce6b995", kill_on_drop: false }`
[INFO] [stdout] 5e53d555952310f8f56de2d8a22342d8c12b0a3f4ef3fa7d5c3909b8fce6b995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39b848abdb169319f347c7180694e3e8fcd69ee0c9c661055e235dc2e308941
[INFO] running `Command { std: "docker" "start" "-a" "c39b848abdb169319f347c7180694e3e8fcd69ee0c9c661055e235dc2e308941", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling vkgen v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "c39b848abdb169319f347c7180694e3e8fcd69ee0c9c661055e235dc2e308941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39b848abdb169319f347c7180694e3e8fcd69ee0c9c661055e235dc2e308941", kill_on_drop: false }`
[INFO] [stdout] c39b848abdb169319f347c7180694e3e8fcd69ee0c9c661055e235dc2e308941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60893dc7ce158bbc258c88ac35e0745f3aec43026554c74d171320382ecf4e3a
[INFO] running `Command { std: "docker" "start" "-a" "60893dc7ce158bbc258c88ac35e0745f3aec43026554c74d171320382ecf4e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vkgen v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/vkgen-84db985aef6a5f2e)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/vkgen-22a94ab7861fc111)
[INFO] running `Command { std: "docker" "inspect" "60893dc7ce158bbc258c88ac35e0745f3aec43026554c74d171320382ecf4e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60893dc7ce158bbc258c88ac35e0745f3aec43026554c74d171320382ecf4e3a", kill_on_drop: false }`
[INFO] [stdout] 60893dc7ce158bbc258c88ac35e0745f3aec43026554c74d171320382ecf4e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55397e5ac809f988cf3f0b7be5d61a9d6c6422c630d02bae4bb3e95ebf30cfbd
[INFO] running `Command { std: "docker" "start" "-a" "55397e5ac809f988cf3f0b7be5d61a9d6c6422c630d02bae4bb3e95ebf30cfbd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vkgen-84db985aef6a5f2e)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vkgen-22a94ab7861fc111)
[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" "55397e5ac809f988cf3f0b7be5d61a9d6c6422c630d02bae4bb3e95ebf30cfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55397e5ac809f988cf3f0b7be5d61a9d6c6422c630d02bae4bb3e95ebf30cfbd", kill_on_drop: false }`
[INFO] [stdout] 55397e5ac809f988cf3f0b7be5d61a9d6c6422c630d02bae4bb3e95ebf30cfbd