[INFO] fetching crate msgpack-cli-viewer 1.0.0...
[INFO] testing msgpack-cli-viewer-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate msgpack-cli-viewer 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate msgpack-cli-viewer 1.0.0 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 msgpack-cli-viewer 1.0.0
[INFO] finished tweaking crates.io crate msgpack-cli-viewer 1.0.0
[INFO] tweaked toml for crates.io crate msgpack-cli-viewer 1.0.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] f837ed68bc343f08b55e2e22d296d00ca62e4a4a06fab2cb3487a63cd4bf8664
[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" "f837ed68bc343f08b55e2e22d296d00ca62e4a4a06fab2cb3487a63cd4bf8664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f837ed68bc343f08b55e2e22d296d00ca62e4a4a06fab2cb3487a63cd4bf8664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f837ed68bc343f08b55e2e22d296d00ca62e4a4a06fab2cb3487a63cd4bf8664", kill_on_drop: false }`
[INFO] [stdout] f837ed68bc343f08b55e2e22d296d00ca62e4a4a06fab2cb3487a63cd4bf8664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 896ba2ccb8f9b9cb7e5b5ce5be8d433d9e69dff2d7dbc307277d6e7d469ec4bc
[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" "896ba2ccb8f9b9cb7e5b5ce5be8d433d9e69dff2d7dbc307277d6e7d469ec4bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling msgpack-cli-viewer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "896ba2ccb8f9b9cb7e5b5ce5be8d433d9e69dff2d7dbc307277d6e7d469ec4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896ba2ccb8f9b9cb7e5b5ce5be8d433d9e69dff2d7dbc307277d6e7d469ec4bc", kill_on_drop: false }`
[INFO] [stdout] 896ba2ccb8f9b9cb7e5b5ce5be8d433d9e69dff2d7dbc307277d6e7d469ec4bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 365347d2f3189277b1b2fe87b9fbe324a77f0e8914b0bb29aa4d2fbf50040420
[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" "365347d2f3189277b1b2fe87b9fbe324a77f0e8914b0bb29aa4d2fbf50040420", kill_on_drop: false }`
[INFO] [stderr]    Compiling msgpack-cli-viewer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "365347d2f3189277b1b2fe87b9fbe324a77f0e8914b0bb29aa4d2fbf50040420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365347d2f3189277b1b2fe87b9fbe324a77f0e8914b0bb29aa4d2fbf50040420", kill_on_drop: false }`
[INFO] [stdout] 365347d2f3189277b1b2fe87b9fbe324a77f0e8914b0bb29aa4d2fbf50040420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b7a4ad463bbabc9213e2e59bd5b213b80a00286631736382874f25536b4310f8
[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" "b7a4ad463bbabc9213e2e59bd5b213b80a00286631736382874f25536b4310f8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/view_msgpk-02447919feb45bd2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7a4ad463bbabc9213e2e59bd5b213b80a00286631736382874f25536b4310f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a4ad463bbabc9213e2e59bd5b213b80a00286631736382874f25536b4310f8", kill_on_drop: false }`
[INFO] [stdout] b7a4ad463bbabc9213e2e59bd5b213b80a00286631736382874f25536b4310f8