[INFO] fetching crate xcb-util 0.3.0...
[INFO] testing xcb-util-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xcb-util 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate xcb-util 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcb-util 0.3.0
[INFO] finished tweaking crates.io crate xcb-util 0.3.0
[INFO] tweaked toml for crates.io crate xcb-util 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d788b827085e3a26f09445e72e79563a77f4bdd465b7c2cc57fda8806fc4a41e
[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" "d788b827085e3a26f09445e72e79563a77f4bdd465b7c2cc57fda8806fc4a41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d788b827085e3a26f09445e72e79563a77f4bdd465b7c2cc57fda8806fc4a41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d788b827085e3a26f09445e72e79563a77f4bdd465b7c2cc57fda8806fc4a41e", kill_on_drop: false }`
[INFO] [stdout] d788b827085e3a26f09445e72e79563a77f4bdd465b7c2cc57fda8806fc4a41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] d5166c525b537c7fc3f626b06fe8751cfe2d90b3ce9fa0cd3dffe9c34d711088
[INFO] running `Command { std: "docker" "start" "-a" "d5166c525b537c7fc3f626b06fe8751cfe2d90b3ce9fa0cd3dffe9c34d711088", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling xcb-util v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "d5166c525b537c7fc3f626b06fe8751cfe2d90b3ce9fa0cd3dffe9c34d711088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5166c525b537c7fc3f626b06fe8751cfe2d90b3ce9fa0cd3dffe9c34d711088", kill_on_drop: false }`
[INFO] [stdout] d5166c525b537c7fc3f626b06fe8751cfe2d90b3ce9fa0cd3dffe9c34d711088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ae02ba9976b5e4bc5ba3a20b628d8d81281ee08b1af003a20580cd10f4971b
[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" "23ae02ba9976b5e4bc5ba3a20b628d8d81281ee08b1af003a20580cd10f4971b", kill_on_drop: false }`
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xcb-util v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "23ae02ba9976b5e4bc5ba3a20b628d8d81281ee08b1af003a20580cd10f4971b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ae02ba9976b5e4bc5ba3a20b628d8d81281ee08b1af003a20580cd10f4971b", kill_on_drop: false }`
[INFO] [stdout] 23ae02ba9976b5e4bc5ba3a20b628d8d81281ee08b1af003a20580cd10f4971b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb7dfa898e42c3e117d21e4a823dcc378f942468606bc323ab5985f5e0869c32
[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" "fb7dfa898e42c3e117d21e4a823dcc378f942468606bc323ab5985f5e0869c32", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / macro_rules! define {
[INFO] [stderr] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stderr] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stderr] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |     );
[INFO] [stderr] 240 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | / macro_rules! void {
[INFO] [stderr] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 244 | |         xcb::VoidCookie {
[INFO] [stderr] 245 | |             cookie:  $cookie,
[INFO] [stderr] ...   |
[INFO] [stderr] 257 | |     });
[INFO] [stderr] 258 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:260:1
[INFO] [stderr]     |
[INFO] [stderr] 260 | / macro_rules! property {
[INFO] [stderr] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 262 | |         $name {
[INFO] [stderr] 263 | |             conn:    $conn,
[INFO] [stderr] ...   |
[INFO] [stderr] 275 | |     });
[INFO] [stderr] 276 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `into`
[INFO] [stderr]    --> src/util.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from`
[INFO] [stderr]    --> src/util.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `xcb-util` (lib) generated 5 warnings
[INFO] [stderr] warning: `xcb-util` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xcb_util-73b77b3d5d42e685)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xcb-util
[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] [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" "fb7dfa898e42c3e117d21e4a823dcc378f942468606bc323ab5985f5e0869c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7dfa898e42c3e117d21e4a823dcc378f942468606bc323ab5985f5e0869c32", kill_on_drop: false }`
[INFO] [stdout] fb7dfa898e42c3e117d21e4a823dcc378f942468606bc323ab5985f5e0869c32