[INFO] fetching crate dune-foundation 0.0.0...
[INFO] testing dune-foundation-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dune-foundation 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dune-foundation 0.0.0 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 dune-foundation 0.0.0
[INFO] finished tweaking crates.io crate dune-foundation 0.0.0
[INFO] tweaked toml for crates.io crate dune-foundation 0.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] b4d864dcb41e010a53e8aabc9fd822d3da4f21876be464bbd5d1ca303cef481f
[INFO] running `Command { std: "docker" "start" "-a" "b4d864dcb41e010a53e8aabc9fd822d3da4f21876be464bbd5d1ca303cef481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d864dcb41e010a53e8aabc9fd822d3da4f21876be464bbd5d1ca303cef481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d864dcb41e010a53e8aabc9fd822d3da4f21876be464bbd5d1ca303cef481f", kill_on_drop: false }`
[INFO] [stdout] b4d864dcb41e010a53e8aabc9fd822d3da4f21876be464bbd5d1ca303cef481f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 63dddf7297d5272d240fb97d00f0ed0da0827a67b810a4a70ec6ed0dd280e708
[INFO] running `Command { std: "docker" "start" "-a" "63dddf7297d5272d240fb97d00f0ed0da0827a67b810a4a70ec6ed0dd280e708", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-foundation v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "63dddf7297d5272d240fb97d00f0ed0da0827a67b810a4a70ec6ed0dd280e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dddf7297d5272d240fb97d00f0ed0da0827a67b810a4a70ec6ed0dd280e708", kill_on_drop: false }`
[INFO] [stdout] 63dddf7297d5272d240fb97d00f0ed0da0827a67b810a4a70ec6ed0dd280e708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e246fab58a82e4452720af9988f58aba6c77cbda905562760ec6642a50f1cf
[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" "51e246fab58a82e4452720af9988f58aba6c77cbda905562760ec6642a50f1cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-foundation v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "51e246fab58a82e4452720af9988f58aba6c77cbda905562760ec6642a50f1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e246fab58a82e4452720af9988f58aba6c77cbda905562760ec6642a50f1cf", kill_on_drop: false }`
[INFO] [stdout] 51e246fab58a82e4452720af9988f58aba6c77cbda905562760ec6642a50f1cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fa5029b3d33ed1bd1af53c56c657fcc3dbbbb98ed54117e15e5095e5dea6ecb
[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" "5fa5029b3d33ed1bd1af53c56c657fcc3dbbbb98ed54117e15e5095e5dea6ecb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dune_foundation-184a2cc9caa2931b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dune-foundation
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fa5029b3d33ed1bd1af53c56c657fcc3dbbbb98ed54117e15e5095e5dea6ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa5029b3d33ed1bd1af53c56c657fcc3dbbbb98ed54117e15e5095e5dea6ecb", kill_on_drop: false }`
[INFO] [stdout] 5fa5029b3d33ed1bd1af53c56c657fcc3dbbbb98ed54117e15e5095e5dea6ecb