[INFO] fetching crate vint32 0.3.0...
[INFO] testing vint32-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vint32 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate vint32 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vint32 0.3.0
[INFO] finished tweaking crates.io crate vint32 0.3.0
[INFO] tweaked toml for crates.io crate vint32 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e43b4749b1d89e2aa50a59a6fafe94ee3772ae67631729ceabf4505dcb65dd09
[INFO] running `Command { std: "docker" "start" "-a" "e43b4749b1d89e2aa50a59a6fafe94ee3772ae67631729ceabf4505dcb65dd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43b4749b1d89e2aa50a59a6fafe94ee3772ae67631729ceabf4505dcb65dd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43b4749b1d89e2aa50a59a6fafe94ee3772ae67631729ceabf4505dcb65dd09", kill_on_drop: false }`
[INFO] [stdout] e43b4749b1d89e2aa50a59a6fafe94ee3772ae67631729ceabf4505dcb65dd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae980f3c8c81072d5419fa2a56d75ff09a2bda8209ca471066540ccc5ad150ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae980f3c8c81072d5419fa2a56d75ff09a2bda8209ca471066540ccc5ad150ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling vint32 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "ae980f3c8c81072d5419fa2a56d75ff09a2bda8209ca471066540ccc5ad150ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae980f3c8c81072d5419fa2a56d75ff09a2bda8209ca471066540ccc5ad150ac", kill_on_drop: false }`
[INFO] [stdout] ae980f3c8c81072d5419fa2a56d75ff09a2bda8209ca471066540ccc5ad150ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c01f1f7a498ab9e4d11608e4e042a79379f99f86ac60adac4d1ed62b8e7c6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57c01f1f7a498ab9e4d11608e4e042a79379f99f86ac60adac4d1ed62b8e7c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling vint32 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "57c01f1f7a498ab9e4d11608e4e042a79379f99f86ac60adac4d1ed62b8e7c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c01f1f7a498ab9e4d11608e4e042a79379f99f86ac60adac4d1ed62b8e7c6b", kill_on_drop: false }`
[INFO] [stdout] 57c01f1f7a498ab9e4d11608e4e042a79379f99f86ac60adac4d1ed62b8e7c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43ec40e444584a22d10cf0f070c67fa103360e6d8bdf9f0bb5836fc43459fbb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43ec40e444584a22d10cf0f070c67fa103360e6d8bdf9f0bb5836fc43459fbb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vint32-fd8f5d1565284afa
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_encode_decode_vint_very_large_number ... ok
[INFO] [stdout] test test_serialize ... ok
[INFO] [stdout] test test_varint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vint32
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43ec40e444584a22d10cf0f070c67fa103360e6d8bdf9f0bb5836fc43459fbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ec40e444584a22d10cf0f070c67fa103360e6d8bdf9f0bb5836fc43459fbb5", kill_on_drop: false }`
[INFO] [stdout] 43ec40e444584a22d10cf0f070c67fa103360e6d8bdf9f0bb5836fc43459fbb5