[INFO] fetching crate btree_dag 0.1.0...
[INFO] testing btree_dag-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate btree_dag 0.1.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate btree_dag 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ac8172e6802f37643a4e825ee36d955d1d1b2377594602218cccbdb53a647e
[INFO] running `Command { std: "docker" "start" "-a" "f3ac8172e6802f37643a4e825ee36d955d1d1b2377594602218cccbdb53a647e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ac8172e6802f37643a4e825ee36d955d1d1b2377594602218cccbdb53a647e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ac8172e6802f37643a4e825ee36d955d1d1b2377594602218cccbdb53a647e", kill_on_drop: false }`
[INFO] [stdout] f3ac8172e6802f37643a4e825ee36d955d1d1b2377594602218cccbdb53a647e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3400a03893804bf476fae45ff36588832e474b5caf6f3a452ce4f2f2f2b7fe9
[INFO] running `Command { std: "docker" "start" "-a" "f3400a03893804bf476fae45ff36588832e474b5caf6f3a452ce4f2f2f2b7fe9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling btree_dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f3400a03893804bf476fae45ff36588832e474b5caf6f3a452ce4f2f2f2b7fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3400a03893804bf476fae45ff36588832e474b5caf6f3a452ce4f2f2f2b7fe9", kill_on_drop: false }`
[INFO] [stdout] f3400a03893804bf476fae45ff36588832e474b5caf6f3a452ce4f2f2f2b7fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66767447a86922e1958e96209942c1b111758c99c2a05ffb3e0a960da537673
[INFO] running `Command { std: "docker" "start" "-a" "a66767447a86922e1958e96209942c1b111758c99c2a05ffb3e0a960da537673", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[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 memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling btree_dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.36s
[INFO] running `Command { std: "docker" "inspect" "a66767447a86922e1958e96209942c1b111758c99c2a05ffb3e0a960da537673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66767447a86922e1958e96209942c1b111758c99c2a05ffb3e0a960da537673", kill_on_drop: false }`
[INFO] [stdout] a66767447a86922e1958e96209942c1b111758c99c2a05ffb3e0a960da537673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18e31add7f3251b23763fc34122f63629985300b176cdb4c6ed2f648473376d1
[INFO] running `Command { std: "docker" "start" "-a" "18e31add7f3251b23763fc34122f63629985300b176cdb4c6ed2f648473376d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btree_dag-c19a20c07992caae)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test dag::test::unit_tests::add_edge ... ok
[INFO] [stdout] test dag::test::unit_tests::add_vertex ... ok
[INFO] [stdout] test dag::test::unit_tests::adjacent ... ok
[INFO] [stdout] test dag::test::unit_tests::connections ... ok
[INFO] [stdout] test dag::test::unit_tests::definition ... ok
[INFO] [stdout] test dag::test::unit_tests::get_vertex_value ... ok
[INFO] [stdout] test dag::test::unit_tests::remove_edge ... ok
[INFO] [stdout] test dag::test::unit_tests::remove_vertex ... ok
[INFO] [stdout] test dag::test::unit_tests::test_dag ... ok
[INFO] [stdout] test dag::test::unit_tests::vertices ... ok
[INFO] [stdout] test dag::test::unit_tests::new_and_default ... 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]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/integration-1fc6626a0b5af4b0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btree_dag
[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::Vertices (line 7) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::Adjacent (line 144) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::AddVertex (line 24) ... ok
[INFO] [stdout] test src/dag/api.rs - dag::api::GetVertexValue (line 66) ... 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::Connections (line 169) ... 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 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18e31add7f3251b23763fc34122f63629985300b176cdb4c6ed2f648473376d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e31add7f3251b23763fc34122f63629985300b176cdb4c6ed2f648473376d1", kill_on_drop: false }`
[INFO] [stdout] 18e31add7f3251b23763fc34122f63629985300b176cdb4c6ed2f648473376d1