[INFO] fetching crate plumber 0.0.7...
[INFO] testing plumber-0.0.7 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate plumber 0.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate plumber 0.0.7 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 plumber 0.0.7
[INFO] finished tweaking crates.io crate plumber 0.0.7
[INFO] tweaked toml for crates.io crate plumber 0.0.7 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d19c7774fb7a20e1ed5068ae3f1c75da869895c559332b42ae86c4e5e24d071e
[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" "d19c7774fb7a20e1ed5068ae3f1c75da869895c559332b42ae86c4e5e24d071e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19c7774fb7a20e1ed5068ae3f1c75da869895c559332b42ae86c4e5e24d071e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19c7774fb7a20e1ed5068ae3f1c75da869895c559332b42ae86c4e5e24d071e", kill_on_drop: false }`
[INFO] [stdout] d19c7774fb7a20e1ed5068ae3f1c75da869895c559332b42ae86c4e5e24d071e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f8ded834b63aa1ff8de43029ef6b12a1490bdf3837057bd32793b793dc4c1c58
[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" "f8ded834b63aa1ff8de43029ef6b12a1490bdf3837057bd32793b793dc4c1c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling plumber v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/hooks.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BTreeMap};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/hooks.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::{CStr};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/hooks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/hooks.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> src/hooks.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{RwLock};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dynamic::dlsym_next`
[INFO] [stdout]   --> src/hooks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dynamic::dlsym_next;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stdout]   --> src/hooks.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dns::srv_mapper`
[INFO] [stdout]   --> src/hooks.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use dns::srv_mapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ns_s_max = 4
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "f8ded834b63aa1ff8de43029ef6b12a1490bdf3837057bd32793b793dc4c1c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ded834b63aa1ff8de43029ef6b12a1490bdf3837057bd32793b793dc4c1c58", kill_on_drop: false }`
[INFO] [stdout] f8ded834b63aa1ff8de43029ef6b12a1490bdf3837057bd32793b793dc4c1c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b41026256a919a8fa52e1d07cf741a8c2d4518cbe565f9281e6c2a23bf1451d9
[INFO] running `Command { std: "docker" "start" "-a" "b41026256a919a8fa52e1d07cf741a8c2d4518cbe565f9281e6c2a23bf1451d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/hooks.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BTreeMap};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/hooks.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::{CStr};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/hooks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/hooks.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> src/hooks.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{RwLock};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dynamic::dlsym_next`
[INFO] [stdout]   --> src/hooks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dynamic::dlsym_next;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stdout]   --> src/hooks.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dns::srv_mapper`
[INFO] [stdout]   --> src/hooks.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use dns::srv_mapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ns_s_max = 4
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.7.1
[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 quickcheck v0.9.2
[INFO] [stderr]    Compiling plumber v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/hooks.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BTreeMap};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/hooks.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::{CStr};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/hooks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/hooks.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> src/hooks.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{RwLock};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dynamic::dlsym_next`
[INFO] [stdout]   --> src/hooks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dynamic::dlsym_next;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stdout]   --> src/hooks.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dns::srv_mapper`
[INFO] [stdout]   --> src/hooks.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use dns::srv_mapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stdout]   --> src/ctypes.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ns_s_max = 4
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "b41026256a919a8fa52e1d07cf741a8c2d4518cbe565f9281e6c2a23bf1451d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41026256a919a8fa52e1d07cf741a8c2d4518cbe565f9281e6c2a23bf1451d9", kill_on_drop: false }`
[INFO] [stdout] b41026256a919a8fa52e1d07cf741a8c2d4518cbe565f9281e6c2a23bf1451d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d96749488a2904ec0740ccd6847117151ec1ff7d50bb736c85213bebc20a6dd0
[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" "d96749488a2904ec0740ccd6847117151ec1ff7d50bb736c85213bebc20a6dd0", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]  --> src/hooks.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{BTreeMap};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/hooks.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::{CStr};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/hooks.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::from_utf8`
[INFO] [stderr]  --> src/hooks.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str::from_utf8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/hooks.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{RwLock};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dynamic::dlsym_next`
[INFO] [stderr]   --> src/hooks.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use dynamic::dlsym_next;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stderr]   --> src/hooks.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dns::srv_mapper`
[INFO] [stderr]   --> src/hooks.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use dns::srv_mapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     ns_s_max = 4
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]  --> src/hooks.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{BTreeMap};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/hooks.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::{CStr};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/hooks.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::from_utf8`
[INFO] [stderr]  --> src/hooks.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str::from_utf8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/hooks.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{RwLock};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dynamic::dlsym_next`
[INFO] [stderr]   --> src/hooks.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use dynamic::dlsym_next;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stderr]   --> src/hooks.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dns::srv_mapper`
[INFO] [stderr]   --> src/hooks.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use dns::srv_mapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stderr]   --> src/ctypes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     ns_s_max = 4
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plumber-999af9679b8d0351
[INFO] [stdout] test util::tests::test_usize_to_ip_to_usize ... ok
[INFO] [stderr]    Doc-tests plumber
[INFO] [stdout] test dns::test_query ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] warning: variant `ns_s_qd` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/ctypes.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSQd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_an` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/ctypes.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/ctypes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSNs`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/ctypes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NsSAr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/ctypes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     ns_s_max = 4
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `NsSMax`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d96749488a2904ec0740ccd6847117151ec1ff7d50bb736c85213bebc20a6dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96749488a2904ec0740ccd6847117151ec1ff7d50bb736c85213bebc20a6dd0", kill_on_drop: false }`
[INFO] [stdout] d96749488a2904ec0740ccd6847117151ec1ff7d50bb736c85213bebc20a6dd0