[INFO] fetching crate dakv_skiplist 0.1.3...
[INFO] testing dakv_skiplist-0.1.3 against 1.66.0 for beta-1.67-2.7
[INFO] extracting crate dakv_skiplist 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dakv_skiplist 0.1.3 on toolchain 1.66.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dakv_skiplist 0.1.3
[INFO] finished tweaking crates.io crate dakv_skiplist 0.1.3
[INFO] tweaked toml for crates.io crate dakv_skiplist 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.66.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
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[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
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[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d63cfccad053251aa8e8d8b97f12b360c89ff7082a5b22339d7741e8b5a7982
[INFO] running `Command { std: "docker" "start" "-a" "2d63cfccad053251aa8e8d8b97f12b360c89ff7082a5b22339d7741e8b5a7982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d63cfccad053251aa8e8d8b97f12b360c89ff7082a5b22339d7741e8b5a7982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d63cfccad053251aa8e8d8b97f12b360c89ff7082a5b22339d7741e8b5a7982", kill_on_drop: false }`
[INFO] [stdout] 2d63cfccad053251aa8e8d8b97f12b360c89ff7082a5b22339d7741e8b5a7982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823c6ca94c1168bfebe80cc1eb2987b4a58c2d916e231b40c807d727496a8832
[INFO] running `Command { std: "docker" "start" "-a" "823c6ca94c1168bfebe80cc1eb2987b4a58c2d916e231b40c807d727496a8832", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling dakv_skiplist v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "823c6ca94c1168bfebe80cc1eb2987b4a58c2d916e231b40c807d727496a8832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823c6ca94c1168bfebe80cc1eb2987b4a58c2d916e231b40c807d727496a8832", kill_on_drop: false }`
[INFO] [stdout] 823c6ca94c1168bfebe80cc1eb2987b4a58c2d916e231b40c807d727496a8832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbe6b04d2a2b2592d69204009fa01fd5b21c52595287b2e5e2dbff0ac6cebd2
[INFO] running `Command { std: "docker" "start" "-a" "4fbe6b04d2a2b2592d69204009fa01fd5b21c52595287b2e5e2dbff0ac6cebd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling dakv_skiplist v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 58.22s
[INFO] running `Command { std: "docker" "inspect" "4fbe6b04d2a2b2592d69204009fa01fd5b21c52595287b2e5e2dbff0ac6cebd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbe6b04d2a2b2592d69204009fa01fd5b21c52595287b2e5e2dbff0ac6cebd2", kill_on_drop: false }`
[INFO] [stdout] 4fbe6b04d2a2b2592d69204009fa01fd5b21c52595287b2e5e2dbff0ac6cebd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39255e7758e4e351253f3938abc849f75f3ebcf666b43b0b49606844b93dd438
[INFO] running `Command { std: "docker" "start" "-a" "39255e7758e4e351253f3938abc849f75f3ebcf666b43b0b49606844b93dd438", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dakv_skiplist-99d4b3878ae2d59a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cmp::tests::test_simplify ... ok
[INFO] [stdout] test random::tests::test_cmp ... ok
[INFO] [stdout] test skiplist::tests::test_basic ... ok
[INFO] [stdout] test skiplist::tests::test_basic_desc ... ok
[INFO] [stdout] test skiplist::tests::test_clear ... ok
[INFO] [stdout] test skiplist::tests::test_concurrency ... ignored
[INFO] [stdout] test arena::tests::test_alloc ... ok
[INFO] [stdout] test skipnode::tests::test_next ... ok
[INFO] [stdout] test skiplist::tests::test_into_iter ... ok
[INFO] [stdout] test skiplist::tests::test_memory_usage ... ok
[INFO] [stdout] test skiplist_iter::tests::test_basic ... ok
[INFO] [stdout] test cmp::tests::test_basic ... ok
[INFO] [stdout] test skipnode::tests::test_new_node ... ok
[INFO] [stdout] test skiplist::tests::test_extend ... ok
[INFO] [stdout] test arena::tests::test_simple ... ok
[INFO] [stderr]    Doc-tests dakv_skiplist
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<R,C,A>::is_empty (line 102) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<R,C,A>::clear (line 140) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<R,C,A>::len (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39255e7758e4e351253f3938abc849f75f3ebcf666b43b0b49606844b93dd438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39255e7758e4e351253f3938abc849f75f3ebcf666b43b0b49606844b93dd438", kill_on_drop: false }`
[INFO] [stdout] 39255e7758e4e351253f3938abc849f75f3ebcf666b43b0b49606844b93dd438