[INFO] fetching crate wasmer-engine-object-file 1.0.0-alpha4...
[INFO] testing wasmer-engine-object-file-1.0.0-alpha4 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate wasmer-engine-object-file 1.0.0-alpha4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wasmer-engine-object-file 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-object-file 1.0.0-alpha4
[INFO] finished tweaking crates.io crate wasmer-engine-object-file 1.0.0-alpha4
[INFO] tweaked toml for crates.io crate wasmer-engine-object-file 1.0.0-alpha4 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] b4cf7b75a85cc4c2c0c4c0221aabf2bdc778a8bcaee35a0d931efded2dccf2ae
[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" "b4cf7b75a85cc4c2c0c4c0221aabf2bdc778a8bcaee35a0d931efded2dccf2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cf7b75a85cc4c2c0c4c0221aabf2bdc778a8bcaee35a0d931efded2dccf2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cf7b75a85cc4c2c0c4c0221aabf2bdc778a8bcaee35a0d931efded2dccf2ae", kill_on_drop: false }`
[INFO] [stdout] b4cf7b75a85cc4c2c0c4c0221aabf2bdc778a8bcaee35a0d931efded2dccf2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] caf267d8a4e8178196044d46a07b08b3ec5250b53755d5a7d66f53e0728d8a04
[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" "caf267d8a4e8178196044d46a07b08b3ec5250b53755d5a7d66f53e0728d8a04", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling libloading v0.6.4
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha4
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling darling_core v0.10.2
[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 cranelift-entity v0.65.0
[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-alpha4
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling enumset v1.0.1
[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-object-file v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | 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 40.57s
[INFO] running `Command { std: "docker" "inspect" "caf267d8a4e8178196044d46a07b08b3ec5250b53755d5a7d66f53e0728d8a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf267d8a4e8178196044d46a07b08b3ec5250b53755d5a7d66f53e0728d8a04", kill_on_drop: false }`
[INFO] [stdout] caf267d8a4e8178196044d46a07b08b3ec5250b53755d5a7d66f53e0728d8a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 111158eaa439d688dcbda607d812bee55b87111228121ffc8e0e7b76c00313e7
[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" "111158eaa439d688dcbda607d812bee55b87111228121ffc8e0e7b76c00313e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmer-engine-object-file v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | 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] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "111158eaa439d688dcbda607d812bee55b87111228121ffc8e0e7b76c00313e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111158eaa439d688dcbda607d812bee55b87111228121ffc8e0e7b76c00313e7", kill_on_drop: false }`
[INFO] [stdout] 111158eaa439d688dcbda607d812bee55b87111228121ffc8e0e7b76c00313e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 693f8e7bab4286b4508d91d51e24de2f058dcebaacc39434559c56077a908aaa
[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" "693f8e7bab4286b4508d91d51e24de2f058dcebaacc39434559c56077a908aaa", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `to_compile_error`
[INFO] [stderr]   --> src/artifact.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | 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:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | 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:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | 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:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | 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 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_engine_object_file-863912c14519f43c
[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" "693f8e7bab4286b4508d91d51e24de2f058dcebaacc39434559c56077a908aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693f8e7bab4286b4508d91d51e24de2f058dcebaacc39434559c56077a908aaa", kill_on_drop: false }`
[INFO] [stdout] 693f8e7bab4286b4508d91d51e24de2f058dcebaacc39434559c56077a908aaa
