[INFO] fetching crate stacker 0.1.12...
[INFO] testing stacker-0.1.12 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stacker 0.1.12 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate stacker 0.1.12 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stacker 0.1.12
[INFO] finished tweaking crates.io crate stacker 0.1.12
[INFO] tweaked toml for crates.io crate stacker 0.1.12 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dd3aca3d078e838c5d260ed367c9bdc2e30389ae1a554aee79c9c8ee3765570
[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" "5dd3aca3d078e838c5d260ed367c9bdc2e30389ae1a554aee79c9c8ee3765570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dd3aca3d078e838c5d260ed367c9bdc2e30389ae1a554aee79c9c8ee3765570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd3aca3d078e838c5d260ed367c9bdc2e30389ae1a554aee79c9c8ee3765570", kill_on_drop: false }`
[INFO] [stdout] 5dd3aca3d078e838c5d260ed367c9bdc2e30389ae1a554aee79c9c8ee3765570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 32ebca41af318d1880dd4926cf14fde621ed760bb1ca9553b909745aef608c10
[INFO] running `Command { std: "docker" "start" "-a" "32ebca41af318d1880dd4926cf14fde621ed760bb1ca9553b909745aef608c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "32ebca41af318d1880dd4926cf14fde621ed760bb1ca9553b909745aef608c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ebca41af318d1880dd4926cf14fde621ed760bb1ca9553b909745aef608c10", kill_on_drop: false }`
[INFO] [stdout] 32ebca41af318d1880dd4926cf14fde621ed760bb1ca9553b909745aef608c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a036d3062a10b8d40e74bcca69d0afeb414a09e1f941698965d1807dd18c83b3
[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" "a036d3062a10b8d40e74bcca69d0afeb414a09e1f941698965d1807dd18c83b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacker v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "a036d3062a10b8d40e74bcca69d0afeb414a09e1f941698965d1807dd18c83b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a036d3062a10b8d40e74bcca69d0afeb414a09e1f941698965d1807dd18c83b3", kill_on_drop: false }`
[INFO] [stdout] a036d3062a10b8d40e74bcca69d0afeb414a09e1f941698965d1807dd18c83b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd8ba9e58deb56a1a89aaf9bae0b436625ebbecc832bcfe12ca3301a51f4ce81
[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" "dd8ba9e58deb56a1a89aaf9bae0b436625ebbecc832bcfe12ca3301a51f4ce81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-5a74fd0d5f662dde
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke-622a808fc0f074a9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test catch_panic_leaf ... ok
[INFO] [stdout] test catch_panic ... ok
[INFO] [stdout] test catch_panic_inside ... ok
[INFO] [stdout] test deep ... ok
[INFO] [stdout] test panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd8ba9e58deb56a1a89aaf9bae0b436625ebbecc832bcfe12ca3301a51f4ce81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8ba9e58deb56a1a89aaf9bae0b436625ebbecc832bcfe12ca3301a51f4ce81", kill_on_drop: false }`
[INFO] [stdout] dd8ba9e58deb56a1a89aaf9bae0b436625ebbecc832bcfe12ca3301a51f4ce81