[INFO] fetching crate radix-tree 0.1.0...
[INFO] testing radix-tree-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate radix-tree 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate radix-tree 0.1.0 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 radix-tree 0.1.0
[INFO] finished tweaking crates.io crate radix-tree 0.1.0
[INFO] tweaked toml for crates.io crate radix-tree 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 08bc78d239020157c66e6856a2d65fb3d91c463d1c74fb2f87583c35e92b2ec7
[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" "08bc78d239020157c66e6856a2d65fb3d91c463d1c74fb2f87583c35e92b2ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08bc78d239020157c66e6856a2d65fb3d91c463d1c74fb2f87583c35e92b2ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bc78d239020157c66e6856a2d65fb3d91c463d1c74fb2f87583c35e92b2ec7", kill_on_drop: false }`
[INFO] [stdout] 08bc78d239020157c66e6856a2d65fb3d91c463d1c74fb2f87583c35e92b2ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 99ec6e260e889cfe7b45dad7dd0a4040a57407cdad19038be0a3ed59deb14b59
[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" "99ec6e260e889cfe7b45dad7dd0a4040a57407cdad19038be0a3ed59deb14b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling radix-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "99ec6e260e889cfe7b45dad7dd0a4040a57407cdad19038be0a3ed59deb14b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ec6e260e889cfe7b45dad7dd0a4040a57407cdad19038be0a3ed59deb14b59", kill_on_drop: false }`
[INFO] [stdout] 99ec6e260e889cfe7b45dad7dd0a4040a57407cdad19038be0a3ed59deb14b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7eb9feeeb2014e86dace4cac92a512c30d8f75cd1c083b58489a2b7deca6b745
[INFO] running `Command { std: "docker" "start" "-a" "7eb9feeeb2014e86dace4cac92a512c30d8f75cd1c083b58489a2b7deca6b745", kill_on_drop: false }`
[INFO] [stderr]    Compiling radix-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "7eb9feeeb2014e86dace4cac92a512c30d8f75cd1c083b58489a2b7deca6b745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb9feeeb2014e86dace4cac92a512c30d8f75cd1c083b58489a2b7deca6b745", kill_on_drop: false }`
[INFO] [stdout] 7eb9feeeb2014e86dace4cac92a512c30d8f75cd1c083b58489a2b7deca6b745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b44fd26fdb3692c0fc10c8a3fbcfade04bad4b72a1f005673fb0d6c70611a7d4
[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" "b44fd26fdb3692c0fc10c8a3fbcfade04bad4b72a1f005673fb0d6c70611a7d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/radix_tree-daf8f2fe163e2946
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::clone_node ... ok
[INFO] [stdout] test tests::new_tree ... ok
[INFO] [stdout] test tests::node_insert_and_find ... ok
[INFO] [stdout] test tests::new_any_type_node ... ok
[INFO] [stdout] test tests::node_insert_then_return_new_node ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests radix-tree
[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" "b44fd26fdb3692c0fc10c8a3fbcfade04bad4b72a1f005673fb0d6c70611a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44fd26fdb3692c0fc10c8a3fbcfade04bad4b72a1f005673fb0d6c70611a7d4", kill_on_drop: false }`
[INFO] [stdout] b44fd26fdb3692c0fc10c8a3fbcfade04bad4b72a1f005673fb0d6c70611a7d4