[INFO] fetching crate wasmer-engine-object-file 1.0.0-alpha5...
[INFO] testing wasmer-engine-object-file-1.0.0-alpha5 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate wasmer-engine-object-file 1.0.0-alpha5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wasmer-engine-object-file 1.0.0-alpha5 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-engine-object-file 1.0.0-alpha5
[INFO] finished tweaking crates.io crate wasmer-engine-object-file 1.0.0-alpha5
[INFO] tweaked toml for crates.io crate wasmer-engine-object-file 1.0.0-alpha5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a030c3b55f966dc5be434f08ff5fcb57a30115a17f0de31d890be86aac74504
[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" "8a030c3b55f966dc5be434f08ff5fcb57a30115a17f0de31d890be86aac74504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a030c3b55f966dc5be434f08ff5fcb57a30115a17f0de31d890be86aac74504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a030c3b55f966dc5be434f08ff5fcb57a30115a17f0de31d890be86aac74504", kill_on_drop: false }`
[INFO] [stdout] 8a030c3b55f966dc5be434f08ff5fcb57a30115a17f0de31d890be86aac74504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 963c3df75738ab4c33850f06c0cfb259b6cced3ffd9cee1a83c909876f917010
[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" "963c3df75738ab4c33850f06c0cfb259b6cced3ffd9cee1a83c909876f917010", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha5
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling region v2.2.0
[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 backtrace v0.3.55
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling wasmer-types v1.0.0-alpha5
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-engine v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-object v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-engine-object-file v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stdout]   --> src/artifact.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "963c3df75738ab4c33850f06c0cfb259b6cced3ffd9cee1a83c909876f917010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963c3df75738ab4c33850f06c0cfb259b6cced3ffd9cee1a83c909876f917010", kill_on_drop: false }`
[INFO] [stdout] 963c3df75738ab4c33850f06c0cfb259b6cced3ffd9cee1a83c909876f917010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eb6c2362a44d70f86e5f0397755a0d6b03b415761ee44d98b07e6ea3edcf38d
[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" "3eb6c2362a44d70f86e5f0397755a0d6b03b415761ee44d98b07e6ea3edcf38d", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stdout]   --> src/artifact.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasmer-engine-object-file v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stdout]   --> src/artifact.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "3eb6c2362a44d70f86e5f0397755a0d6b03b415761ee44d98b07e6ea3edcf38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb6c2362a44d70f86e5f0397755a0d6b03b415761ee44d98b07e6ea3edcf38d", kill_on_drop: false }`
[INFO] [stdout] 3eb6c2362a44d70f86e5f0397755a0d6b03b415761ee44d98b07e6ea3edcf38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66c0032f25ef338d2a73d2d0814a9ba424760718381b5500124d1253853cdc3d
[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" "66c0032f25ef338d2a73d2d0814a9ba424760718381b5500124d1253853cdc3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `to_compile_error`
[INFO] [stderr]   --> src/artifact.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stderr]   --> src/artifact.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_compile_error`
[INFO] [stderr]   --> src/artifact.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stderr]   --> src/artifact.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_engine_object_file-8835d405e95315fe
[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-object-file
[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" "66c0032f25ef338d2a73d2d0814a9ba424760718381b5500124d1253853cdc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c0032f25ef338d2a73d2d0814a9ba424760718381b5500124d1253853cdc3d", kill_on_drop: false }`
[INFO] [stdout] 66c0032f25ef338d2a73d2d0814a9ba424760718381b5500124d1253853cdc3d