[INFO] fetching crate btree_dag 0.1.0...
[INFO] testing btree_dag-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate btree_dag 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate btree_dag 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btree_dag 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_dag 0.1.0
[INFO] tweaked toml for crates.io crate btree_dag 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 159978f7b660ab866f7ccbc15ebaae1af536fa9a248fd6db62c77c1d89e479a2
[INFO] running `Command { std: "docker" "start" "-a" "159978f7b660ab866f7ccbc15ebaae1af536fa9a248fd6db62c77c1d89e479a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "159978f7b660ab866f7ccbc15ebaae1af536fa9a248fd6db62c77c1d89e479a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159978f7b660ab866f7ccbc15ebaae1af536fa9a248fd6db62c77c1d89e479a2", kill_on_drop: false }`
[INFO] [stdout] 159978f7b660ab866f7ccbc15ebaae1af536fa9a248fd6db62c77c1d89e479a2
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59485cf7a682ab688d38f90eb1ad646be8655453af3c4b5dbf26b6624ae4eb56
[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" "59485cf7a682ab688d38f90eb1ad646be8655453af3c4b5dbf26b6624ae4eb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling btree_dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "59485cf7a682ab688d38f90eb1ad646be8655453af3c4b5dbf26b6624ae4eb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59485cf7a682ab688d38f90eb1ad646be8655453af3c4b5dbf26b6624ae4eb56", kill_on_drop: false }`
[INFO] [stdout] 59485cf7a682ab688d38f90eb1ad646be8655453af3c4b5dbf26b6624ae4eb56
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3e1aaa2813181631778c2ac9b8b8f030c57c8d8c6320091e50e0b66fd70a3f
[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" "1f3e1aaa2813181631778c2ac9b8b8f030c57c8d8c6320091e50e0b66fd70a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling btree_dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 55.44s
[INFO] running `Command { std: "docker" "inspect" "1f3e1aaa2813181631778c2ac9b8b8f030c57c8d8c6320091e50e0b66fd70a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3e1aaa2813181631778c2ac9b8b8f030c57c8d8c6320091e50e0b66fd70a3f", kill_on_drop: false }`
[INFO] [stdout] 1f3e1aaa2813181631778c2ac9b8b8f030c57c8d8c6320091e50e0b66fd70a3f
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da706c00b72a1f6fc5ce431a6ffb8e47847c808c194a4359af7cecf2e7c71537
[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" "da706c00b72a1f6fc5ce431a6ffb8e47847c808c194a4359af7cecf2e7c71537", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btree_dag-d190091ef4f6382b)
[INFO] [stdout] test dag::test::unit_tests::add_vertex ... ok
[INFO] [stdout] test dag::test::unit_tests::connections ... ok
[INFO] [stdout] test dag::test::unit_tests::remove_vertex ... ok
[INFO] [stdout] test dag::test::unit_tests::remove_edge ... ok
[INFO] [stdout] test dag::test::unit_tests::new_and_default ... ok
[INFO] [stdout] test dag::test::unit_tests::definition ... ok
[INFO] [stdout] test dag::test::unit_tests::add_edge ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/integration-d0da25d5bdd73e88)
[INFO] [stdout] test dag::test::unit_tests::vertices ... ok
[INFO] [stdout] test dag::test::unit_tests::get_vertex_value ... ok
[INFO] [stdout] test dag::test::unit_tests::test_dag ... ok
[INFO] [stdout] test dag::test::unit_tests::adjacent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btree_dag
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/dag/api.rs - dag::api::Adjacent (line 144) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::Vertices (line 7) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::Connections (line 169) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::GetVertexValue (line 66) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::AddVertex (line 24) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::AddEdge (line 42) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::RemoveEdge (line 89) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::RemoveVertex (line 113) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da706c00b72a1f6fc5ce431a6ffb8e47847c808c194a4359af7cecf2e7c71537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da706c00b72a1f6fc5ce431a6ffb8e47847c808c194a4359af7cecf2e7c71537", kill_on_drop: false }`
[INFO] [stdout] da706c00b72a1f6fc5ce431a6ffb8e47847c808c194a4359af7cecf2e7c71537