[INFO] fetching crate tree-cursor 0.3.0...
[INFO] testing tree-cursor-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tree-cursor 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tree-cursor 0.3.0 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 tree-cursor 0.3.0
[INFO] finished tweaking crates.io crate tree-cursor 0.3.0
[INFO] tweaked toml for crates.io crate tree-cursor 0.3.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 08a0e44669c37237e77db0bf20e5e49b9a420017e495106c6cf9a56884b828de
[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" "08a0e44669c37237e77db0bf20e5e49b9a420017e495106c6cf9a56884b828de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a0e44669c37237e77db0bf20e5e49b9a420017e495106c6cf9a56884b828de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a0e44669c37237e77db0bf20e5e49b9a420017e495106c6cf9a56884b828de", kill_on_drop: false }`
[INFO] [stdout] 08a0e44669c37237e77db0bf20e5e49b9a420017e495106c6cf9a56884b828de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 75f9a9087ccce670a3fb87ae608ffbadced342c4e349a36609dc6077aab39289
[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" "75f9a9087ccce670a3fb87ae608ffbadced342c4e349a36609dc6077aab39289", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tree-cursor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "75f9a9087ccce670a3fb87ae608ffbadced342c4e349a36609dc6077aab39289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f9a9087ccce670a3fb87ae608ffbadced342c4e349a36609dc6077aab39289", kill_on_drop: false }`
[INFO] [stdout] 75f9a9087ccce670a3fb87ae608ffbadced342c4e349a36609dc6077aab39289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f4114fe8c441e589c8b51abba014f3f6035a6d921ff8b8c9d5c0a279e8c2a70b
[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" "f4114fe8c441e589c8b51abba014f3f6035a6d921ff8b8c9d5c0a279e8c2a70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-cursor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "f4114fe8c441e589c8b51abba014f3f6035a6d921ff8b8c9d5c0a279e8c2a70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4114fe8c441e589c8b51abba014f3f6035a6d921ff8b8c9d5c0a279e8c2a70b", kill_on_drop: false }`
[INFO] [stdout] f4114fe8c441e589c8b51abba014f3f6035a6d921ff8b8c9d5c0a279e8c2a70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 474acf09f1bc5e10f0fb53f95aee4412069fa7bfc7f6727eb4c5d91e50eeea6c
[INFO] running `Command { std: "docker" "start" "-a" "474acf09f1bc5e10f0fb53f95aee4412069fa7bfc7f6727eb4c5d91e50eeea6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.90s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_cursor-b9f4a20f6caf323d
[INFO] [stdout] test tests::hashmap_tree::down_map ... ok
[INFO] [stdout] test tests::link_tree::link_tree_scoped_down ... ok
[INFO] [stdout] test tests::link_tree::link_tree ... ok
[INFO] [stdout] test tests::standard_tree::full_traversal ... ok
[INFO] [stdout] test tests::standard_tree::set_pos_error ... ok
[INFO] [stdout] test tests::standard_tree::take ... ok
[INFO] [stdout] test tests::standard_tree::iter_down ... ok
[INFO] [stdout] test tests::standard_tree::scoped_down ... ok
[INFO] [stdout] test tests::standard_tree::get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-cursor
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "474acf09f1bc5e10f0fb53f95aee4412069fa7bfc7f6727eb4c5d91e50eeea6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474acf09f1bc5e10f0fb53f95aee4412069fa7bfc7f6727eb4c5d91e50eeea6c", kill_on_drop: false }`
[INFO] [stdout] 474acf09f1bc5e10f0fb53f95aee4412069fa7bfc7f6727eb4c5d91e50eeea6c