[INFO] fetching crate wasmer-engine-native 1.0.0-alpha4...
[INFO] testing wasmer-engine-native-1.0.0-alpha4 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate wasmer-engine-native 1.0.0-alpha4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasmer-engine-native 1.0.0-alpha4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-engine-native 1.0.0-alpha4
[INFO] finished tweaking crates.io crate wasmer-engine-native 1.0.0-alpha4
[INFO] tweaked toml for crates.io crate wasmer-engine-native 1.0.0-alpha4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] a7087a2cdf2519eae6ab9ad9febbc4c6ec02160d15bdac3f33edb61afdad2127
[INFO] running `Command { std: "docker" "start" "-a" "a7087a2cdf2519eae6ab9ad9febbc4c6ec02160d15bdac3f33edb61afdad2127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7087a2cdf2519eae6ab9ad9febbc4c6ec02160d15bdac3f33edb61afdad2127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7087a2cdf2519eae6ab9ad9febbc4c6ec02160d15bdac3f33edb61afdad2127", kill_on_drop: false }`
[INFO] [stdout] a7087a2cdf2519eae6ab9ad9febbc4c6ec02160d15bdac3f33edb61afdad2127
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a1b954268e6e2c852201a070b188f34ca34354c750ee0e752cb385e96e0c3c
[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" "52a1b954268e6e2c852201a070b188f34ca34354c750ee0e752cb385e96e0c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling cranelift-entity v0.65.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling wasmer-types v1.0.0-alpha4
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-object v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-engine v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Triple`
[INFO] [stdout]   --> src/engine.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasmer_compiler::{CompileError, Target, Triple};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     is_cross_compiling: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `linker`
[INFO] [stdout]    --> src/engine.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     linker: Linker,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub(crate) fn is_cross_compiling(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `linker`
[INFO] [stdout]    --> src/engine.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub(crate) fn linker(&self) -> Linker {
[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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "52a1b954268e6e2c852201a070b188f34ca34354c750ee0e752cb385e96e0c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a1b954268e6e2c852201a070b188f34ca34354c750ee0e752cb385e96e0c3c", kill_on_drop: false }`
[INFO] [stdout] 52a1b954268e6e2c852201a070b188f34ca34354c750ee0e752cb385e96e0c3c
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1de10c6cfe9fb959f34311f22c550beeebd30e47c451a2b9bc0bc2bee169d39
[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" "c1de10c6cfe9fb959f34311f22c550beeebd30e47c451a2b9bc0bc2bee169d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Triple`
[INFO] [stdout]   --> src/engine.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasmer_compiler::{CompileError, Target, Triple};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     is_cross_compiling: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `linker`
[INFO] [stdout]    --> src/engine.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     linker: Linker,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub(crate) fn is_cross_compiling(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `linker`
[INFO] [stdout]    --> src/engine.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub(crate) fn linker(&self) -> Linker {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Triple`
[INFO] [stdout]   --> src/engine.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasmer_compiler::{CompileError, Target, Triple};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     is_cross_compiling: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `linker`
[INFO] [stdout]    --> src/engine.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     linker: Linker,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_cross_compiling`
[INFO] [stdout]    --> src/engine.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub(crate) fn is_cross_compiling(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `linker`
[INFO] [stdout]    --> src/engine.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub(crate) fn linker(&self) -> Linker {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1de10c6cfe9fb959f34311f22c550beeebd30e47c451a2b9bc0bc2bee169d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1de10c6cfe9fb959f34311f22c550beeebd30e47c451a2b9bc0bc2bee169d39", kill_on_drop: false }`
[INFO] [stdout] c1de10c6cfe9fb959f34311f22c550beeebd30e47c451a2b9bc0bc2bee169d39
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 17e6c72c3b6c4020a3551b83827a722a002feaa9ed90f228bc0feabb42866da4
[INFO] running `Command { std: "docker" "start" "-a" "17e6c72c3b6c4020a3551b83827a722a002feaa9ed90f228bc0feabb42866da4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Triple`
[INFO] [stderr]   --> src/engine.rs:10:45
[INFO] [stderr]    |
[INFO] [stderr] 10 | use wasmer_compiler::{CompileError, Target, Triple};
[INFO] [stderr]    |                                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_cross_compiling`
[INFO] [stderr]    --> src/engine.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     is_cross_compiling: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linker`
[INFO] [stderr]    --> src/engine.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     linker: Linker,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_cross_compiling`
[INFO] [stderr]    --> src/engine.rs:299:19
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub(crate) fn is_cross_compiling(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `linker`
[INFO] [stderr]    --> src/engine.rs:303:19
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub(crate) fn linker(&self) -> Linker {
[INFO] [stderr]     |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Triple`
[INFO] [stderr]   --> src/engine.rs:10:45
[INFO] [stderr]    |
[INFO] [stderr] 10 | use wasmer_compiler::{CompileError, Target, Triple};
[INFO] [stderr]    |                                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_cross_compiling`
[INFO] [stderr]    --> src/engine.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     is_cross_compiling: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linker`
[INFO] [stderr]    --> src/engine.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     linker: Linker,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_cross_compiling`
[INFO] [stderr]    --> src/engine.rs:299:19
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub(crate) fn is_cross_compiling(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `linker`
[INFO] [stderr]    --> src/engine.rs:303:19
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub(crate) fn linker(&self) -> Linker {
[INFO] [stderr]     |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_engine_native-d2d0d5fcbbd1cb71
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test builder::tests::build_headless_engine ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmer-engine-native
[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" "17e6c72c3b6c4020a3551b83827a722a002feaa9ed90f228bc0feabb42866da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e6c72c3b6c4020a3551b83827a722a002feaa9ed90f228bc0feabb42866da4", kill_on_drop: false }`
[INFO] [stdout] 17e6c72c3b6c4020a3551b83827a722a002feaa9ed90f228bc0feabb42866da4
