[INFO] fetching crate wasmer-singlepass-backend 0.3.0...
[INFO] extracting crate wasmer-singlepass-backend 0.3.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/wasmer-singlepass-backend/0.3.0
[INFO] extracting crate wasmer-singlepass-backend 0.3.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/wasmer-singlepass-backend/0.3.0
[INFO] validating manifest of wasmer-singlepass-backend-0.3.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wasmer-singlepass-backend-0.3.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wasmer-singlepass-backend-0.3.0
[INFO] finished frobbing wasmer-singlepass-backend-0.3.0
[INFO] frobbed toml for wasmer-singlepass-backend-0.3.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/wasmer-singlepass-backend/0.3.0/Cargo.toml
[INFO] started frobbing wasmer-singlepass-backend-0.3.0
[INFO] finished frobbing wasmer-singlepass-backend-0.3.0
[INFO] frobbed toml for wasmer-singlepass-backend-0.3.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/wasmer-singlepass-backend/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmparser v0.28.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing wasmer-singlepass-backend-0.3.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/wasmer-singlepass-backend/0.3.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 66870c05c63b2916ddd42b241d167c25f3e2eae345757d69f0c96ed1335c9d83
[INFO] running `"docker" "start" "-a" "66870c05c63b2916ddd42b241d167c25f3e2eae345757d69f0c96ed1335c9d83"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling wasmparser v0.29.2
[INFO] [stderr]    Compiling wasmparser v0.28.0
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling dynasmrt v0.3.1
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling wasmer-runtime-core v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling dynasm v0.3.2
[INFO] [stderr]    Compiling wasmer-singlepass-backend v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen_x64.rs:310:54
[INFO] [stderr]     |
[INFO] [stderr] 310 |             unsafe fn do_early_trap(&self, data: Box<Any>) -> ! {
[INFO] [stderr]     |                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trampoline`
[INFO] [stderr]    --> src/codegen_x64.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             trampoline: unsafe extern "C" fn(*mut vm::Ctx, NonNull<vm::Func>, *const u64, *mut u64),
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_trampoline`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trap_info`
[INFO] [stderr]    --> src/codegen_x64.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             trap_info: *mut WasmTrapInfo,
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_trap_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]    --> src/codegen_x64.rs:254:35
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn get_wasm_trampoline(&self, module: &ModuleInner, sig_index: SigIndex) -> Option<Wasm> {
[INFO] [stderr]     |                                   ^^^^^^ help: consider prefixing with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "66870c05c63b2916ddd42b241d167c25f3e2eae345757d69f0c96ed1335c9d83"`
[INFO] running `"docker" "rm" "-f" "66870c05c63b2916ddd42b241d167c25f3e2eae345757d69f0c96ed1335c9d83"`
[INFO] [stdout] 66870c05c63b2916ddd42b241d167c25f3e2eae345757d69f0c96ed1335c9d83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/wasmer-singlepass-backend/0.3.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8cf465f12164e86cbc3b74a33c679c3746c912d7cee2ce4d55a01233e3c11de9
[INFO] running `"docker" "start" "-a" "8cf465f12164e86cbc3b74a33c679c3746c912d7cee2ce4d55a01233e3c11de9"`
[INFO] [stderr]    Compiling wasmer-singlepass-backend v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen_x64.rs:310:54
[INFO] [stderr]     |
[INFO] [stderr] 310 |             unsafe fn do_early_trap(&self, data: Box<Any>) -> ! {
[INFO] [stderr]     |                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trampoline`
[INFO] [stderr]    --> src/codegen_x64.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             trampoline: unsafe extern "C" fn(*mut vm::Ctx, NonNull<vm::Func>, *const u64, *mut u64),
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_trampoline`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trap_info`
[INFO] [stderr]    --> src/codegen_x64.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             trap_info: *mut WasmTrapInfo,
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_trap_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]    --> src/codegen_x64.rs:254:35
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn get_wasm_trampoline(&self, module: &ModuleInner, sig_index: SigIndex) -> Option<Wasm> {
[INFO] [stderr]     |                                   ^^^^^^ help: consider prefixing with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `"docker" "inspect" "8cf465f12164e86cbc3b74a33c679c3746c912d7cee2ce4d55a01233e3c11de9"`
[INFO] running `"docker" "rm" "-f" "8cf465f12164e86cbc3b74a33c679c3746c912d7cee2ce4d55a01233e3c11de9"`
[INFO] [stdout] 8cf465f12164e86cbc3b74a33c679c3746c912d7cee2ce4d55a01233e3c11de9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/wasmer-singlepass-backend/0.3.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 8ed7917b7785a661b3386b05e073a04488cde0fcc28748c390b9974d30506b64
[INFO] running `"docker" "start" "-a" "8ed7917b7785a661b3386b05e073a04488cde0fcc28748c390b9974d30506b64"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasmer_singlepass_backend-160d0c682c3abc50
[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] [stderr]    Doc-tests wasmer-singlepass-backend
[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" "8ed7917b7785a661b3386b05e073a04488cde0fcc28748c390b9974d30506b64"`
[INFO] running `"docker" "rm" "-f" "8ed7917b7785a661b3386b05e073a04488cde0fcc28748c390b9974d30506b64"`
[INFO] [stdout] 8ed7917b7785a661b3386b05e073a04488cde0fcc28748c390b9974d30506b64