[INFO] fetching crate convenient-skiplist 1.0.3...
[INFO] testing convenient-skiplist-1.0.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate convenient-skiplist 1.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate convenient-skiplist 1.0.3 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 convenient-skiplist 1.0.3
[INFO] finished tweaking crates.io crate convenient-skiplist 1.0.3
[INFO] tweaked toml for crates.io crate convenient-skiplist 1.0.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate convenient-skiplist 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checkers v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a619a455d9a360164f43c447c624e7446a15be4ce60b673c75b1ecf115e4d0b1
[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" "a619a455d9a360164f43c447c624e7446a15be4ce60b673c75b1ecf115e4d0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a619a455d9a360164f43c447c624e7446a15be4ce60b673c75b1ecf115e4d0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a619a455d9a360164f43c447c624e7446a15be4ce60b673c75b1ecf115e4d0b1", kill_on_drop: false }`
[INFO] [stdout] a619a455d9a360164f43c447c624e7446a15be4ce60b673c75b1ecf115e4d0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ce7cac36ecf2a1611f586b6cd4657192896a7f71a7507557824200ea5fab9d8
[INFO] running `Command { std: "docker" "start" "-a" "2ce7cac36ecf2a1611f586b6cd4657192896a7f71a7507557824200ea5fab9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling convenient-skiplist v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "2ce7cac36ecf2a1611f586b6cd4657192896a7f71a7507557824200ea5fab9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce7cac36ecf2a1611f586b6cd4657192896a7f71a7507557824200ea5fab9d8", kill_on_drop: false }`
[INFO] [stdout] 2ce7cac36ecf2a1611f586b6cd4657192896a7f71a7507557824200ea5fab9d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f57117f4cdb39dee78362fd460d8fa8fec315e12cacbecd414dc972a58854476
[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" "f57117f4cdb39dee78362fd460d8fa8fec315e12cacbecd414dc972a58854476", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling checkers-macros v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling checkers v0.5.6
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling convenient-skiplist v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.66s
[INFO] running `Command { std: "docker" "inspect" "f57117f4cdb39dee78362fd460d8fa8fec315e12cacbecd414dc972a58854476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57117f4cdb39dee78362fd460d8fa8fec315e12cacbecd414dc972a58854476", kill_on_drop: false }`
[INFO] [stdout] f57117f4cdb39dee78362fd460d8fa8fec315e12cacbecd414dc972a58854476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 429c20d052eb45e349a915076a2d2a5acf0aee023ea4265d58ef6580e56a7ecc
[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" "429c20d052eb45e349a915076a2d2a5acf0aee023ea4265d58ef6580e56a7ecc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/convenient_skiplist-87fd6cfa216369ae
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test iter::tests::test_inclusion_fn_range_with ... ok
[INFO] [stdout] test iter::tests::test_empty ... ok
[INFO] [stdout] test iter::tests::test_range_empty ... ok
[INFO] [stdout] test iter::tests::test_range_outside ... ok
[INFO] [stdout] test iter::tests::test_index_range ... ok
[INFO] [stdout] test iter::tests::test_range_with_all ... ok
[INFO] [stdout] test iter::tests::test_range_with_empty ... ok
[INFO] [stdout] test iter::tests::test_range_pathological_no_panic ... ok
[INFO] [stdout] test iter::tests::test_iterall ... ok
[INFO] [stdout] test iter::tests::test_range_with ... ok
[INFO] [stdout] test tests::test_pop_max ... ok
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] test tests::test_from ... ok
[INFO] [stdout] test tests::test_pop_min ... ok
[INFO] [stdout] test tests::test_vec_from ... ok
[INFO] [stdout] test tests::test_at_index ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::insert_no_panic ... ok
[INFO] [stdout] test tests::test_more_complex_type ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_inclusive_range ... ok
[INFO] [stdout] test tests::test_index_of ... ok
[INFO] [stdout] test iter::tests::test_range_with_none ... ok
[INFO] [stdout] test tests::test_bad_index ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checkers_test-a490bc22af358f04
[INFO] [stdout] test iter::tests::test_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_allocations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests convenient-skiplist
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - SkipList<T>::insert (line 346) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::index_of (line 589) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::len (line 551) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::contains (line 465) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_back (line 782) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::peek_first (line 673) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::iter_all (line 924) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_front (line 803) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::index_range (line 969) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::clear (line 1038) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::peek_last (line 690) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_max (line 720) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_min (line 837) ... ok
[INFO] [stdout] test src/lib.rs - SkipList (line 140) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::new (line 295) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::at_index (line 623) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::range (line 945) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::range_with (line 1004) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::remove (line 496) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::remove_at (line 532) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "429c20d052eb45e349a915076a2d2a5acf0aee023ea4265d58ef6580e56a7ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429c20d052eb45e349a915076a2d2a5acf0aee023ea4265d58ef6580e56a7ecc", kill_on_drop: false }`
[INFO] [stdout] 429c20d052eb45e349a915076a2d2a5acf0aee023ea4265d58ef6580e56a7ecc