[INFO] fetching crate vec_saver 0.0.2...
[INFO] testing vec_saver-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate vec_saver 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate vec_saver 0.0.2 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 vec_saver 0.0.2
[INFO] finished tweaking crates.io crate vec_saver 0.0.2
[INFO] tweaked toml for crates.io crate vec_saver 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] cd257e56619e452d9bad01011435d5e51a7fcf0e534b0dfe122696dff7b408ec
[INFO] running `Command { std: "docker" "start" "-a" "cd257e56619e452d9bad01011435d5e51a7fcf0e534b0dfe122696dff7b408ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd257e56619e452d9bad01011435d5e51a7fcf0e534b0dfe122696dff7b408ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd257e56619e452d9bad01011435d5e51a7fcf0e534b0dfe122696dff7b408ec", kill_on_drop: false }`
[INFO] [stdout] cd257e56619e452d9bad01011435d5e51a7fcf0e534b0dfe122696dff7b408ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 64a1791c4b505ad8fd6aecae4d3588d297915862a671e9997305cee6af84a751
[INFO] running `Command { std: "docker" "start" "-a" "64a1791c4b505ad8fd6aecae4d3588d297915862a671e9997305cee6af84a751", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_saver v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "64a1791c4b505ad8fd6aecae4d3588d297915862a671e9997305cee6af84a751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a1791c4b505ad8fd6aecae4d3588d297915862a671e9997305cee6af84a751", kill_on_drop: false }`
[INFO] [stdout] 64a1791c4b505ad8fd6aecae4d3588d297915862a671e9997305cee6af84a751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 96817334e7bc37cb59b98996ebdac5d3d055392c419ad14023fcd711274a5483
[INFO] running `Command { std: "docker" "start" "-a" "96817334e7bc37cb59b98996ebdac5d3d055392c419ad14023fcd711274a5483", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vec_saver v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_saver-05d0f6578a3266bb)
[INFO] running `Command { std: "docker" "inspect" "96817334e7bc37cb59b98996ebdac5d3d055392c419ad14023fcd711274a5483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96817334e7bc37cb59b98996ebdac5d3d055392c419ad14023fcd711274a5483", kill_on_drop: false }`
[INFO] [stdout] 96817334e7bc37cb59b98996ebdac5d3d055392c419ad14023fcd711274a5483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6ea69cdf7925ca682b5fffb496ea18a21347386e472ffd874e566cf1fb4afe24
[INFO] running `Command { std: "docker" "start" "-a" "6ea69cdf7925ca682b5fffb496ea18a21347386e472ffd874e566cf1fb4afe24", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_saver-05d0f6578a3266bb)
[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 vec_saver
[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" "6ea69cdf7925ca682b5fffb496ea18a21347386e472ffd874e566cf1fb4afe24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea69cdf7925ca682b5fffb496ea18a21347386e472ffd874e566cf1fb4afe24", kill_on_drop: false }`
[INFO] [stdout] 6ea69cdf7925ca682b5fffb496ea18a21347386e472ffd874e566cf1fb4afe24