[INFO] fetching crate erbium 0.2.4...
[INFO] testing erbium-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate erbium 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate erbium 0.2.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erbium 0.2.4
[INFO] finished tweaking crates.io crate erbium 0.2.4
[INFO] tweaked toml for crates.io crate erbium 0.2.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate erbium 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0224560324c50a9aa85368d42633bf4e4690aaa95435760bab66cc127995cde
[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" "d0224560324c50a9aa85368d42633bf4e4690aaa95435760bab66cc127995cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0224560324c50a9aa85368d42633bf4e4690aaa95435760bab66cc127995cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0224560324c50a9aa85368d42633bf4e4690aaa95435760bab66cc127995cde", kill_on_drop: false }`
[INFO] [stdout] d0224560324c50a9aa85368d42633bf4e4690aaa95435760bab66cc127995cde
[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" "+1.49.0" "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] 2bae3549f7e1a05bc52e455371d3c6c9d1c696dc36ea1bb9a8f527cd7860b5bc
[INFO] running `Command { std: "docker" "start" "-a" "2bae3549f7e1a05bc52e455371d3c6c9d1c696dc36ea1bb9a8f527cd7860b5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rusqlite v0.23.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]    Compiling erbium v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling netlink-packet-utils v0.4.0
[INFO] [stderr]    Compiling netlink-packet-utils v0.3.0
[INFO] [stderr]    Compiling netlink-packet-core v0.2.2
[INFO] [stderr]    Compiling netlink-packet-route v0.5.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.5.0
[INFO] [stderr]    Compiling tokio-compat-02 v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling netlink-sys v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "2bae3549f7e1a05bc52e455371d3c6c9d1c696dc36ea1bb9a8f527cd7860b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bae3549f7e1a05bc52e455371d3c6c9d1c696dc36ea1bb9a8f527cd7860b5bc", kill_on_drop: false }`
[INFO] [stdout] 2bae3549f7e1a05bc52e455371d3c6c9d1c696dc36ea1bb9a8f527cd7860b5bc
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66dff428627eaff79118f40af9bfa215414f4d628a5cdd5c916a9981c199654e
[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" "66dff428627eaff79118f40af9bfa215414f4d628a5cdd5c916a9981c199654e", kill_on_drop: false }`
[INFO] [stderr]    Compiling erbium v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `broadcast_failed_renew`
[INFO] [stdout]    --> src/dhcp/test.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn broadcast_failed_renew() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dhcpinform_dont_check_existing_lease`
[INFO] [stdout]    --> src/dhcp/test.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn dhcpinform_dont_check_existing_lease() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "66dff428627eaff79118f40af9bfa215414f4d628a5cdd5c916a9981c199654e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dff428627eaff79118f40af9bfa215414f4d628a5cdd5c916a9981c199654e", kill_on_drop: false }`
[INFO] [stdout] 66dff428627eaff79118f40af9bfa215414f4d628a5cdd5c916a9981c199654e
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 354b4bcc4440647ead97ac2b1486b52baa8520f6c846a0195a37eb8353fb222d
[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" "354b4bcc4440647ead97ac2b1486b52baa8520f6c846a0195a37eb8353fb222d", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `broadcast_failed_renew`
[INFO] [stderr]    --> src/dhcp/test.rs:250:4
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn broadcast_failed_renew() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dhcpinform_dont_check_existing_lease`
[INFO] [stderr]    --> src/dhcp/test.rs:264:4
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn dhcpinform_dont_check_existing_lease() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erbium-c10938407a8123e6
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test dhcp::dhcppkt::test_parse ... ok
[INFO] [stdout] test dhcp::pool::acquire_requested_address_success ... ok
[INFO] [stdout] test dhcp::pool::empty_pool ... ok
[INFO] [stdout] test dhcp::pool::reacquire_expired_lease ... ok
[INFO] [stdout] test dhcp::pool::reacquire_lease ... ok
[INFO] [stdout] test dhcp::pool::smoke_test ... ok
[INFO] [stdout] test config::test_duration ... ok
[INFO] [stdout] test config::test_prefix ... ok
[INFO] [stdout] test config::test_simple_config_parse ... ok
[INFO] [stdout] test dhcp::test::client_identifier_or_chaddr ... ok
[INFO] [stdout] test dhcp::dhcppkt::test_type_serialisation ... ok
[INFO] [stdout] test dhcp::pool::acquire_requested_address_in_use ... ok
[INFO] [stdout] test dhcp::pool::acquire_requested_address_invalid ... ok
[INFO] [stdout] test dhcp::test::server_address_set ... ok
[INFO] [stdout] test dhcp::test::offer_required ... ok
[INFO] [stdout] test dhcp::pool::dont_hand_out_old_stale_lease ... ok
[INFO] [stdout] test dhcp::test::test_handle_pkt ... ok
[INFO] [stdout] test dhcp::test::truncated_pkt ... ok
[INFO] [stdout] test dhcp::test::ack_required ... ok
[INFO] [stdout] test dhcp::test::test_parsing_inverse_serialising ... ok
[INFO] [stdout] test dhcp::test_format_client ... ok
[INFO] [stdout] test net::netinfo::test_interface ... ok
[INFO] [stdout] test dhcp::test_policy ... ok
[INFO] [stdout] test net::test_netmask ... ok
[INFO] [stdout] test net::test_contains ... ok
[INFO] [stdout] test pktparser::test_get_bytes ... ok
[INFO] [stdout] test net::test_prefix ... ok
[INFO] [stdout] test pktparser::test_get_u16 ... ok
[INFO] [stdout] test pktparser::test_get_u32 ... ok
[INFO] [stdout] test pktparser::test_get_vec ... ok
[INFO] [stdout] test pktparser::test_remaining ... ok
[INFO] [stdout] test pktparser::test_size ... ok
[INFO] [stdout] test dhcp::test_config_parse ... ok
[INFO] [stdout] test net::packet::test_udp_packet ... ok
[INFO] [stdout] test radv::icmppkt::test_reflexitivity ... ok
[INFO] [stdout] test radv::test::rfc4861::mtu_reserved_must_be_ignored ... ok
[INFO] [stdout] test dhcp::test::confirm_yiaddr_set ... ok
[INFO] [stdout] test config::test_config_parse ... ok
[INFO] [stdout] test pktparser::test_domains ... ok
[INFO] [stdout] test radv::test::rfc4861::prefix_reserved1_is_zero ... ok
[INFO] [stdout] test dhcp::test::ignore_other_request ... ok
[INFO] [stdout] test radv::test::rfc4861::mtu_reserved_must_be_zero ... ok
[INFO] [stdout] test net::packet::test_checksum ... ok
[INFO] [stdout] test pktparser::test_get_ipv4 ... ok
[INFO] [stdout] test dhcp::test_defaults ... ok
[INFO] [stdout] test radv::test::rfc4861::test_reserved_is_zero ... ok
[INFO] [stdout] test radv::test::rfc4861::test_zero_length_option ... ok
[INFO] [stdout] test radv::test::rfc4861::target_lladdr_ignored_in_router_solicitations ... ok
[INFO] [stdout] test radv::test::rfc4861::prefix_length_must_have_zero_suffix ... ok
[INFO] [stdout] test radv::test::rfc4861::prefix_ignored_for_solicitation ... ok
[INFO] [stdout] test radv::test_build_announcement ... ok
[INFO] [stdout] test radv::test_default_values ... ok
[INFO] [stdout] test radv::test_dontset_values ... ok
[INFO] [stdout] test radv::test::rfc4861::test_router_solitication_reserved_must_be_ignored ... ok
[INFO] [stdout] test dhcp::test::ignore_unused_flag_bits ... ok
[INFO] [stdout] test radv::icmppkt::test_parse_nd_rtr_solicit ... ok
[INFO] [stdout] test pktparser::test_get_u8 ... ok
[INFO] [stdout] test dhcp::test::test_defaults ... ok
[INFO] [stdout] test radv::config::test_config_parse ... ok
[INFO] [stdout] test dhcp::test_base ... ok
[INFO] [stdout] test radv::test::rfc4861::prefix_reserved2_is_zero ... ok
[INFO] [stdout] test radv::test::rfc4861::test_solicitations_may_contain_unknown_options ... ok
[INFO] [stdout] test dhcp::test::test_full ... ok
[INFO] [stdout] test dhcp::test::test_renew_unknown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 64 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erbium-62781d186f07094a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erbium_conftest-b153a277514f38c0
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erbium_dhcp-422760f5639d4969
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/erbium_dns-44333a37876e3272
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests erbium
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "354b4bcc4440647ead97ac2b1486b52baa8520f6c846a0195a37eb8353fb222d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354b4bcc4440647ead97ac2b1486b52baa8520f6c846a0195a37eb8353fb222d", kill_on_drop: false }`
[INFO] [stdout] 354b4bcc4440647ead97ac2b1486b52baa8520f6c846a0195a37eb8353fb222d