[INFO] fetching crate plumber 0.0.7...
[INFO] checking plumber-0.0.7 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate plumber 0.0.7 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate plumber 0.0.7 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204976fc5d82544948982a0c1ccd6fe41f0b1c95e2cd475f0987e4ef0b126463
[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" "204976fc5d82544948982a0c1ccd6fe41f0b1c95e2cd475f0987e4ef0b126463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204976fc5d82544948982a0c1ccd6fe41f0b1c95e2cd475f0987e4ef0b126463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204976fc5d82544948982a0c1ccd6fe41f0b1c95e2cd475f0987e4ef0b126463", kill_on_drop: false }`
[INFO] [stdout] 204976fc5d82544948982a0c1ccd6fe41f0b1c95e2cd475f0987e4ef0b126463
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6748f76e75f2a29df33096b18bb7ae6b65b9a9587971e945b47929ebeb75b6c3
[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" "6748f76e75f2a29df33096b18bb7ae6b65b9a9587971e945b47929ebeb75b6c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking 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] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quickcheck v0.9.2
[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 6.76s
[INFO] running `Command { std: "docker" "inspect" "6748f76e75f2a29df33096b18bb7ae6b65b9a9587971e945b47929ebeb75b6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6748f76e75f2a29df33096b18bb7ae6b65b9a9587971e945b47929ebeb75b6c3", kill_on_drop: false }`
[INFO] [stdout] 6748f76e75f2a29df33096b18bb7ae6b65b9a9587971e945b47929ebeb75b6c3