[INFO] fetching crate toolshed 0.8.1...
[INFO] testing toolshed-0.8.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate toolshed 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate toolshed 0.8.1 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 toolshed 0.8.1
[INFO] finished tweaking crates.io crate toolshed 0.8.1
[INFO] tweaked toml for crates.io crate toolshed 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ac1c565831cbd67657e6a0b7eeead8123514f754c0ba67dd319a60f4bc73868
[INFO] running `Command { std: "docker" "start" "-a" "0ac1c565831cbd67657e6a0b7eeead8123514f754c0ba67dd319a60f4bc73868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac1c565831cbd67657e6a0b7eeead8123514f754c0ba67dd319a60f4bc73868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac1c565831cbd67657e6a0b7eeead8123514f754c0ba67dd319a60f4bc73868", kill_on_drop: false }`
[INFO] [stdout] 0ac1c565831cbd67657e6a0b7eeead8123514f754c0ba67dd319a60f4bc73868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 17c668824838f33bdb6696102b37f2dc41c6a8363b9e394ecdf4334c846b9721
[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" "17c668824838f33bdb6696102b37f2dc41c6a8363b9e394ecdf4334c846b9721", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolshed v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "17c668824838f33bdb6696102b37f2dc41c6a8363b9e394ecdf4334c846b9721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c668824838f33bdb6696102b37f2dc41c6a8363b9e394ecdf4334c846b9721", kill_on_drop: false }`
[INFO] [stdout] 17c668824838f33bdb6696102b37f2dc41c6a8363b9e394ecdf4334c846b9721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 73507063c3f24e1b8b2bbfe784307f72d6a9f94d07f0ee3564a81f4af2ddfe24
[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" "73507063c3f24e1b8b2bbfe784307f72d6a9f94d07f0ee3564a81f4af2ddfe24", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolshed v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "73507063c3f24e1b8b2bbfe784307f72d6a9f94d07f0ee3564a81f4af2ddfe24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73507063c3f24e1b8b2bbfe784307f72d6a9f94d07f0ee3564a81f4af2ddfe24", kill_on_drop: false }`
[INFO] [stdout] 73507063c3f24e1b8b2bbfe784307f72d6a9f94d07f0ee3564a81f4af2ddfe24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 761cdad82ba5599786011591e446ee239a5a4fb573ee55440817dfb1a794a179
[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" "761cdad82ba5599786011591e446ee239a5a4fb573ee55440817dfb1a794a179", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 39 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/toolshed-8b6642bf388a7a66
[INFO] [stdout] test arena::test::aligns_slice_allocs ... ok
[INFO] [stdout] test arena::test::aligns_str_allocs ... ok
[INFO] [stdout] test arena::test::alloc_lazy_slices ... ok
[INFO] [stdout] test arena::test::alloc_nul_term_str ... ok
[INFO] [stdout] test arena::test::alloc_slice ... ok
[INFO] [stdout] test arena::test::allocate_some_stuff ... ok
[INFO] [stdout] test arena::test::allocate_huge_heap ... ok
[INFO] [stdout] test bloom::test::has_low_enough_conflict_rate ... ok
[INFO] [stdout] test bloom::test::does_not_conflict_on_letter_casing ... ok
[INFO] [stdout] test bloom::test::does_not_conflict_on_different_lengths ... ok
[INFO] [stdout] test cell::test::cell ... ok
[INFO] [stdout] test cell::test::contain_static_ref ... ok
[INFO] [stdout] test impl_debug::test::map_debug ... ok
[INFO] [stdout] test impl_debug::test::list_debug ... ok
[INFO] [stdout] test impl_debug::test::bloom_set_debug ... ok
[INFO] [stdout] test impl_debug::test::bloom_map_debug ... ok
[INFO] [stdout] test impl_debug::test::set_debug ... ok
[INFO] [stdout] test list::test::only_element ... ok
[INFO] [stdout] test list::test::empty_unsafe_list ... ok
[INFO] [stdout] test list::test::from_iter ... ok
[INFO] [stdout] test list::test::empty_builder ... ok
[INFO] [stdout] test list::test::unsafe_list ... ok
[INFO] [stdout] test list::test::shift_ref ... ok
[INFO] [stdout] test list::test::builder ... ok
[INFO] [stdout] test map::test::bloom_map ... ok
[INFO] [stdout] test map::test::from_eq ... ok
[INFO] [stdout] test list::test::shift ... ok
[INFO] [stdout] test bloom::test::produces_correct_number_of_bits ... ok
[INFO] [stdout] test list::test::prepend ... ok
[INFO] [stdout] test set::test::set ... ok
[INFO] [stdout] test set::test::set_iter ... ok
[INFO] [stdout] test map::test::iter ... ok
[INFO] [stdout] test map::test::insert_replace ... ok
[INFO] [stdout] test set::test::bloom_set_iter ... ok
[INFO] [stdout] test map::test::map ... ok
[INFO] [stdout] test set::test::bloom_set ... ok
[INFO] [stdout] test set::test::from_eq ... ok
[INFO] [stderr]    Doc-tests toolshed
[INFO] [stdout] test arena::test::allocate_some_vecs ... ok
[INFO] [stdout] test arena::test::allocate_some_cows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/arena.rs - arena::NulTermStr::byte_unchecked (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "761cdad82ba5599786011591e446ee239a5a4fb573ee55440817dfb1a794a179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761cdad82ba5599786011591e446ee239a5a4fb573ee55440817dfb1a794a179", kill_on_drop: false }`
[INFO] [stdout] 761cdad82ba5599786011591e446ee239a5a4fb573ee55440817dfb1a794a179