[INFO] fetching crate shard-engine 0.0.0...
[INFO] testing shard-engine-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate shard-engine 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate shard-engine 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 shard-engine 0.0.0
[INFO] finished tweaking crates.io crate shard-engine 0.0.0
[INFO] tweaked toml for crates.io crate shard-engine 0.0.0 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7239f4fe3d6bfc851e16a10e10ea4e2063fdbca7d4bf88f80d69aa9e6d9455e9
[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" "7239f4fe3d6bfc851e16a10e10ea4e2063fdbca7d4bf88f80d69aa9e6d9455e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7239f4fe3d6bfc851e16a10e10ea4e2063fdbca7d4bf88f80d69aa9e6d9455e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7239f4fe3d6bfc851e16a10e10ea4e2063fdbca7d4bf88f80d69aa9e6d9455e9", kill_on_drop: false }`
[INFO] [stdout] 7239f4fe3d6bfc851e16a10e10ea4e2063fdbca7d4bf88f80d69aa9e6d9455e9
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6b30c69cb58f02cb126fa0c2469c7492f22eeb7f97f4063b7e853f92abfe6d
[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" "4f6b30c69cb58f02cb126fa0c2469c7492f22eeb7f97f4063b7e853f92abfe6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shard-engine v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4f6b30c69cb58f02cb126fa0c2469c7492f22eeb7f97f4063b7e853f92abfe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6b30c69cb58f02cb126fa0c2469c7492f22eeb7f97f4063b7e853f92abfe6d", kill_on_drop: false }`
[INFO] [stdout] 4f6b30c69cb58f02cb126fa0c2469c7492f22eeb7f97f4063b7e853f92abfe6d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] bc7166f0f500284568da0a4f9a7a25e2f5a1bc604904f661ae820fce3f1e6d88
[INFO] running `Command { std: "docker" "start" "-a" "bc7166f0f500284568da0a4f9a7a25e2f5a1bc604904f661ae820fce3f1e6d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling shard-engine v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "bc7166f0f500284568da0a4f9a7a25e2f5a1bc604904f661ae820fce3f1e6d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7166f0f500284568da0a4f9a7a25e2f5a1bc604904f661ae820fce3f1e6d88", kill_on_drop: false }`
[INFO] [stdout] bc7166f0f500284568da0a4f9a7a25e2f5a1bc604904f661ae820fce3f1e6d88
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2503e1f78e81ecf100cede4a3606e96a6e4caf638dbf4fe4b7a59d4600bc22ec
[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" "2503e1f78e81ecf100cede4a3606e96a6e4caf638dbf4fe4b7a59d4600bc22ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shard_engine-6a461b7a0400f867
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests shard-engine
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "2503e1f78e81ecf100cede4a3606e96a6e4caf638dbf4fe4b7a59d4600bc22ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2503e1f78e81ecf100cede4a3606e96a6e4caf638dbf4fe4b7a59d4600bc22ec", kill_on_drop: false }`
[INFO] [stdout] 2503e1f78e81ecf100cede4a3606e96a6e4caf638dbf4fe4b7a59d4600bc22ec