[INFO] fetching crate shortlist 0.1.2...
[INFO] testing shortlist-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate shortlist 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shortlist 0.1.2 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 shortlist 0.1.2
[INFO] finished tweaking crates.io crate shortlist 0.1.2
[INFO] tweaked toml for crates.io crate shortlist 0.1.2 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 17bae02f3eccba3e38524fcf80ecca39336f0e7fb3493011c924d650903a1acc
[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" "17bae02f3eccba3e38524fcf80ecca39336f0e7fb3493011c924d650903a1acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bae02f3eccba3e38524fcf80ecca39336f0e7fb3493011c924d650903a1acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bae02f3eccba3e38524fcf80ecca39336f0e7fb3493011c924d650903a1acc", kill_on_drop: false }`
[INFO] [stdout] 17bae02f3eccba3e38524fcf80ecca39336f0e7fb3493011c924d650903a1acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ef15d4ae244898176be6aae5b07e7d7dc05f6b77edb3a560102072f87cff8a45
[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" "ef15d4ae244898176be6aae5b07e7d7dc05f6b77edb3a560102072f87cff8a45", kill_on_drop: false }`
[INFO] [stderr]    Compiling shortlist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ef15d4ae244898176be6aae5b07e7d7dc05f6b77edb3a560102072f87cff8a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef15d4ae244898176be6aae5b07e7d7dc05f6b77edb3a560102072f87cff8a45", kill_on_drop: false }`
[INFO] [stdout] ef15d4ae244898176be6aae5b07e7d7dc05f6b77edb3a560102072f87cff8a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3bc52d798eb5c6907887514a3a4dd6bcc1b9d64bd072ea78243f90cc79da7364
[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" "3bc52d798eb5c6907887514a3a4dd6bcc1b9d64bd072ea78243f90cc79da7364", kill_on_drop: false }`
[INFO] [stderr]    Compiling shortlist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "3bc52d798eb5c6907887514a3a4dd6bcc1b9d64bd072ea78243f90cc79da7364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc52d798eb5c6907887514a3a4dd6bcc1b9d64bd072ea78243f90cc79da7364", kill_on_drop: false }`
[INFO] [stdout] 3bc52d798eb5c6907887514a3a4dd6bcc1b9d64bd072ea78243f90cc79da7364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ff1335d4d06e9d3aaacb9b17b10a1bb9beb39b11935a34d16dce55a197fa3ae3
[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" "ff1335d4d06e9d3aaacb9b17b10a1bb9beb39b11935a34d16dce55a197fa3ae3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shortlist-e08460c8da9a64d9
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::drain ... ok
[INFO] [stdout] test tests::into_sorted_vec ... ok
[INFO] [stdout] test tests::sorted_cloned_vec ... ok
[INFO] [stdout] test tests::into_sorted_vec_safe ... ok
[INFO] [stdout] test tests::into_vec ... ok
[INFO] [stdout] test tests::into_vec_safe ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stderr]    Doc-tests shortlist
[INFO] [stdout] test tests::capacity_and_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 43.61s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - Shortlist<T>::append (line 344) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::from_slice (line 180) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::clear (line 644) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::capacity (line 506) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::from_iter (line 211) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::append_slice (line 375) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_sorted_vec (line 407) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_vec (line 527) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_sorted_vec_safe (line 433) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist (line 125) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::clone_push (line 289) ... ok
[INFO] [stdout] test src/lib.rs - (line 92) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::drain (line 624) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::len (line 576) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::push (line 243) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::is_empty (line 601) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::new (line 156) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::into_vec_safe (line 551) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::iter (line 486) ... ok
[INFO] [stdout] test src/lib.rs - Shortlist<T>::sorted_cloned_vec (line 457) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff1335d4d06e9d3aaacb9b17b10a1bb9beb39b11935a34d16dce55a197fa3ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1335d4d06e9d3aaacb9b17b10a1bb9beb39b11935a34d16dce55a197fa3ae3", kill_on_drop: false }`
[INFO] [stdout] ff1335d4d06e9d3aaacb9b17b10a1bb9beb39b11935a34d16dce55a197fa3ae3