[INFO] fetching crate varintbuf 0.1.0...
[INFO] testing varintbuf-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate varintbuf 0.1.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate varintbuf 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varintbuf 0.1.0
[INFO] finished tweaking crates.io crate varintbuf 0.1.0
[INFO] tweaked toml for crates.io crate varintbuf 0.1.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db0e3a848bde8015fb3b9849fc93f2d064fd75cd3e170ea1eab2650cc8e0793
[INFO] running `Command { std: "docker" "start" "-a" "8db0e3a848bde8015fb3b9849fc93f2d064fd75cd3e170ea1eab2650cc8e0793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db0e3a848bde8015fb3b9849fc93f2d064fd75cd3e170ea1eab2650cc8e0793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db0e3a848bde8015fb3b9849fc93f2d064fd75cd3e170ea1eab2650cc8e0793", kill_on_drop: false }`
[INFO] [stdout] 8db0e3a848bde8015fb3b9849fc93f2d064fd75cd3e170ea1eab2650cc8e0793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4c12cb279f4835c4b2dd3521d114635839c80d55ffed2da64eb8723e309ba2
[INFO] running `Command { std: "docker" "start" "-a" "de4c12cb279f4835c4b2dd3521d114635839c80d55ffed2da64eb8723e309ba2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling varintbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "de4c12cb279f4835c4b2dd3521d114635839c80d55ffed2da64eb8723e309ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4c12cb279f4835c4b2dd3521d114635839c80d55ffed2da64eb8723e309ba2", kill_on_drop: false }`
[INFO] [stdout] de4c12cb279f4835c4b2dd3521d114635839c80d55ffed2da64eb8723e309ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b407e68b86fd098ba51c98f7e876e369796febc5069672a398763bc43a694b
[INFO] running `Command { std: "docker" "start" "-a" "92b407e68b86fd098ba51c98f7e876e369796febc5069672a398763bc43a694b", kill_on_drop: false }`
[INFO] [stderr]    Compiling varintbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "92b407e68b86fd098ba51c98f7e876e369796febc5069672a398763bc43a694b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b407e68b86fd098ba51c98f7e876e369796febc5069672a398763bc43a694b", kill_on_drop: false }`
[INFO] [stdout] 92b407e68b86fd098ba51c98f7e876e369796febc5069672a398763bc43a694b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de3e122c7e107ffad70061e16422dd785bf37c969f27e7091e1f111110480eac
[INFO] running `Command { std: "docker" "start" "-a" "de3e122c7e107ffad70061e16422dd785bf37c969f27e7091e1f111110480eac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/varintbuf-13afaf7d90a9a661)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_signed_decode ... ok
[INFO] [stdout] test tests::test_signed_encode ... ok
[INFO] [stdout] test tests::test_signed_length ... ok
[INFO] [stdout] test tests::test_decode ... ok
[INFO] [stdout] test tests::test_encode ... ok
[INFO] [stdout] test tests::encoded2 ... ok
[INFO] [stdout] test tests::test_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varintbuf
[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" "de3e122c7e107ffad70061e16422dd785bf37c969f27e7091e1f111110480eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3e122c7e107ffad70061e16422dd785bf37c969f27e7091e1f111110480eac", kill_on_drop: false }`
[INFO] [stdout] de3e122c7e107ffad70061e16422dd785bf37c969f27e7091e1f111110480eac