[INFO] crate plumber 0.0.7 is already in cache
[INFO] extracting crate plumber 0.0.7 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/plumber/0.0.7
[INFO] extracting crate plumber 0.0.7 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/plumber/0.0.7
[INFO] validating manifest of plumber-0.0.7 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plumber-0.0.7 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing plumber-0.0.7
[INFO] finished frobbing plumber-0.0.7
[INFO] frobbed toml for plumber-0.0.7 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/plumber/0.0.7/Cargo.toml
[INFO] started frobbing plumber-0.0.7
[INFO] finished frobbing plumber-0.0.7
[INFO] frobbed toml for plumber-0.0.7 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/plumber/0.0.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing plumber-0.0.7 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/plumber/0.0.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 83caf355038c40bff49543b3f9b0572251438e492d8a5fd96e2697129ca97778
[INFO] running `"docker" "start" "-a" "83caf355038c40bff49543b3f9b0572251438e492d8a5fd96e2697129ca97778"`
[INFO] [stderr]    Compiling plumber v0.0.7 (/opt/crater/workdir)
[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 a 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 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 a 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 camel case: `NsSAn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have a 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 camel case: `NsSNs`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have a 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 camel case: `NsSAr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have a 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 camel case: `NsSMax`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "83caf355038c40bff49543b3f9b0572251438e492d8a5fd96e2697129ca97778"`
[INFO] running `"docker" "rm" "-f" "83caf355038c40bff49543b3f9b0572251438e492d8a5fd96e2697129ca97778"`
[INFO] [stdout] 83caf355038c40bff49543b3f9b0572251438e492d8a5fd96e2697129ca97778
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/plumber/0.0.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa1e0820bcc33a9e7f53e4b00059536494056595f8c9b49efd52ced096da6b5f
[INFO] running `"docker" "start" "-a" "aa1e0820bcc33a9e7f53e4b00059536494056595f8c9b49efd52ced096da6b5f"`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quickcheck v0.8.0
[INFO] [stderr]    Compiling plumber v0.0.7 (/opt/crater/workdir)
[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 a 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 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 a 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 camel case: `NsSAn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have a 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 camel case: `NsSNs`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have a 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 camel case: `NsSAr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have a 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 camel case: `NsSMax`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `"docker" "inspect" "aa1e0820bcc33a9e7f53e4b00059536494056595f8c9b49efd52ced096da6b5f"`
[INFO] running `"docker" "rm" "-f" "aa1e0820bcc33a9e7f53e4b00059536494056595f8c9b49efd52ced096da6b5f"`
[INFO] [stdout] aa1e0820bcc33a9e7f53e4b00059536494056595f8c9b49efd52ced096da6b5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/plumber/0.0.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7c39924f4135b6b740192f068ec425328652ddd009055fb9f6203bc014d39cfb
[INFO] running `"docker" "start" "-a" "7c39924f4135b6b740192f068ec425328652ddd009055fb9f6203bc014d39cfb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plumber-fbd90a9c11d8c8ab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::tests::test_usize_to_ip_to_usize ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests plumber
[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 `"docker" "inspect" "7c39924f4135b6b740192f068ec425328652ddd009055fb9f6203bc014d39cfb"`
[INFO] running `"docker" "rm" "-f" "7c39924f4135b6b740192f068ec425328652ddd009055fb9f6203bc014d39cfb"`
[INFO] [stdout] 7c39924f4135b6b740192f068ec425328652ddd009055fb9f6203bc014d39cfb