[INFO] fetching crate convenient-skiplist 1.0.3...
[INFO] testing convenient-skiplist-1.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate convenient-skiplist 1.0.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate convenient-skiplist 1.0.3 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 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-3/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded checkers v0.5.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]   Downloaded checkers-macros v0.5.1
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded clap v2.33.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.67
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e9e6b84d77faa70e235430a533ff72d699dce19fc1435e4887d511a1f1b1f6e9
[INFO] running `Command { std: "docker" "start" "-a" "e9e6b84d77faa70e235430a533ff72d699dce19fc1435e4887d511a1f1b1f6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e6b84d77faa70e235430a533ff72d699dce19fc1435e4887d511a1f1b1f6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e6b84d77faa70e235430a533ff72d699dce19fc1435e4887d511a1f1b1f6e9", kill_on_drop: false }`
[INFO] [stdout] e9e6b84d77faa70e235430a533ff72d699dce19fc1435e4887d511a1f1b1f6e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 60043524cb8974dc3159d26031e284a50ae930d5d21cfd4618a409d98cf89572
[INFO] running `Command { std: "docker" "start" "-a" "60043524cb8974dc3159d26031e284a50ae930d5d21cfd4618a409d98cf89572", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling convenient-skiplist v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "60043524cb8974dc3159d26031e284a50ae930d5d21cfd4618a409d98cf89572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60043524cb8974dc3159d26031e284a50ae930d5d21cfd4618a409d98cf89572", kill_on_drop: false }`
[INFO] [stdout] 60043524cb8974dc3159d26031e284a50ae930d5d21cfd4618a409d98cf89572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 91ce96a83c819d87b4d5c72b204f2a9726fa7a488d4f79b318ea327cac49b510
[INFO] running `Command { std: "docker" "start" "-a" "91ce96a83c819d87b4d5c72b204f2a9726fa7a488d4f79b318ea327cac49b510", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[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 tinytemplate v1.1.0
[INFO] [stderr]    Compiling checkers-macros v0.5.1
[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 20.82s
[INFO] running `Command { std: "docker" "inspect" "91ce96a83c819d87b4d5c72b204f2a9726fa7a488d4f79b318ea327cac49b510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ce96a83c819d87b4d5c72b204f2a9726fa7a488d4f79b318ea327cac49b510", kill_on_drop: false }`
[INFO] [stdout] 91ce96a83c819d87b4d5c72b204f2a9726fa7a488d4f79b318ea327cac49b510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ad6da72a7e02f073f8dc6c331ef6661c76569de37525f4c65829f14a58d58f12
[INFO] running `Command { std: "docker" "start" "-a" "ad6da72a7e02f073f8dc6c331ef6661c76569de37525f4c65829f14a58d58f12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/convenient_skiplist-543501c7f52d7f72)
[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_iterall ... 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_range_pathological_no_panic ... ok
[INFO] [stdout] test iter::tests::test_range_with_empty ... ok
[INFO] [stdout] test iter::tests::test_range_with ... ok
[INFO] [stdout] test iter::tests::test_range_with_all ... ok
[INFO] [stdout] test iter::tests::test_range_with_none ... ok
[INFO] [stdout] test tests::insert_no_panic ... ok
[INFO] [stdout] test tests::test_at_index ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test iter::tests::test_index_range ... ok
[INFO] [stdout] test tests::test_from ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_inclusive_range ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_index_of ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_vec_from ... ok
[INFO] [stdout] test tests::test_more_complex_type ... ok
[INFO] [stdout] test tests::test_pop_max ... ok
[INFO] [stdout] test tests::test_pop_min ... ok
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] test tests::test_bad_index - should panic ... ok
[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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checkers_test.rs (/opt/rustwide/target/debug/deps/checkers_test-55c7ce2ec40aeab6)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests convenient-skiplist
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - SkipList<T>::contains (line 465) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::range_with (line 1004) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::peek_first (line 673) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::remove_at (line 532) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::len (line 551) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::range (line 945) ... 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>::remove (line 496) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::at_index (line 623) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::index_range (line 969) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::iter_all (line 924) ... 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>::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>::pop_front (line 803) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_back (line 782) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_min (line 837) ... ok
[INFO] [stdout] test src/lib.rs - SkipList<T>::pop_max (line 720) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad6da72a7e02f073f8dc6c331ef6661c76569de37525f4c65829f14a58d58f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6da72a7e02f073f8dc6c331ef6661c76569de37525f4c65829f14a58d58f12", kill_on_drop: false }`
[INFO] [stdout] ad6da72a7e02f073f8dc6c331ef6661c76569de37525f4c65829f14a58d58f12