[INFO] fetching crate wasmer-compiler-singlepass 1.0.0-alpha4...
[INFO] testing wasmer-compiler-singlepass-1.0.0-alpha4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate wasmer-compiler-singlepass 1.0.0-alpha4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasmer-compiler-singlepass 1.0.0-alpha4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha4
[INFO] finished tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha4
[INFO] tweaked toml for crates.io crate wasmer-compiler-singlepass 1.0.0-alpha4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08359b8fc167333b80dab9169ea96d8cac14702c21261c8efef9b6f385387d6c
[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" "08359b8fc167333b80dab9169ea96d8cac14702c21261c8efef9b6f385387d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08359b8fc167333b80dab9169ea96d8cac14702c21261c8efef9b6f385387d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08359b8fc167333b80dab9169ea96d8cac14702c21261c8efef9b6f385387d6c", kill_on_drop: false }`
[INFO] [stdout] 08359b8fc167333b80dab9169ea96d8cac14702c21261c8efef9b6f385387d6c
[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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f97d590dce955df934c3f2dc6e4a829dadab0bdf877a0f737c09c04d9ac0456
[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" "2f97d590dce955df934c3f2dc6e4a829dadab0bdf877a0f737c09c04d9ac0456", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling dynasm v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling dynasmrt v1.0.0
[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 wasmer-types v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-compiler-singlepass v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5243:29
[INFO] [stdout]      |
[INFO] [stdout] 5236 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5243 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5244 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5142:29
[INFO] [stdout]      |
[INFO] [stdout] 5135 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5142 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5143 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "2f97d590dce955df934c3f2dc6e4a829dadab0bdf877a0f737c09c04d9ac0456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f97d590dce955df934c3f2dc6e4a829dadab0bdf877a0f737c09c04d9ac0456", kill_on_drop: false }`
[INFO] [stdout] 2f97d590dce955df934c3f2dc6e4a829dadab0bdf877a0f737c09c04d9ac0456
[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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eaf0db62c2a7e8837208cd4487953d6b87d539ec0dfd23998c5d3c3d886a953
[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" "2eaf0db62c2a7e8837208cd4487953d6b87d539ec0dfd23998c5d3c3d886a953", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmer-compiler-singlepass v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5243:29
[INFO] [stdout]      |
[INFO] [stdout] 5236 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5243 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5244 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5142:29
[INFO] [stdout]      |
[INFO] [stdout] 5135 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5142 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5143 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5243:29
[INFO] [stdout]      |
[INFO] [stdout] 5236 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5243 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5244 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/codegen_x64.rs:5142:29
[INFO] [stdout]      |
[INFO] [stdout] 5135 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stdout]      |                                      ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 5142 |                             self.canonicalize_nan(
[INFO] [stdout]      |                             ^^^^ mutable borrow occurs here
[INFO] [stdout] 5143 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stdout]      |                                 ------------------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.78s
[INFO] running `Command { std: "docker" "inspect" "2eaf0db62c2a7e8837208cd4487953d6b87d539ec0dfd23998c5d3c3d886a953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eaf0db62c2a7e8837208cd4487953d6b87d539ec0dfd23998c5d3c3d886a953", kill_on_drop: false }`
[INFO] [stdout] 2eaf0db62c2a7e8837208cd4487953d6b87d539ec0dfd23998c5d3c3d886a953
[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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad56343c7ba1bd5950a77dedf8cd4e3ec80e67194baf6c2e6340022be2d08e8
[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" "1ad56343c7ba1bd5950a77dedf8cd4e3ec80e67194baf6c2e6340022be2d08e8", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/codegen_x64.rs:5243:29
[INFO] [stderr]      |
[INFO] [stderr] 5236 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stderr]      |                                      ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 5243 |                             self.canonicalize_nan(
[INFO] [stderr]      |                             ^^^^ mutable borrow occurs here
[INFO] [stderr] 5244 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stderr]      |                                 ------------------- immutable borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/codegen_x64.rs:5142:29
[INFO] [stderr]      |
[INFO] [stderr] 5135 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stderr]      |                                      ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 5142 |                             self.canonicalize_nan(
[INFO] [stderr]      |                             ^^^^ mutable borrow occurs here
[INFO] [stderr] 5143 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stderr]      |                                 ------------------- immutable borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/codegen_x64.rs:5243:29
[INFO] [stderr]      |
[INFO] [stderr] 5236 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stderr]      |                                      ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 5243 |                             self.canonicalize_nan(
[INFO] [stderr]      |                             ^^^^ mutable borrow occurs here
[INFO] [stderr] 5244 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stderr]      |                                 ------------------- immutable borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/codegen_x64.rs:5142:29
[INFO] [stderr]      |
[INFO] [stderr] 5135 |                 while let Some(fp) = self.fp_stack.last() {
[INFO] [stderr]      |                                      ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 5142 |                             self.canonicalize_nan(
[INFO] [stderr]      |                             ^^^^ mutable borrow occurs here
[INFO] [stderr] 5143 |                                 fp.canonicalization.unwrap().to_size(),
[INFO] [stderr]      |                                 ------------------- immutable borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_compiler_singlepass-446021f64d0e0d13
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test machine::test::test_release_locations_keep_state_nopanic ... 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-compiler-singlepass
[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" "1ad56343c7ba1bd5950a77dedf8cd4e3ec80e67194baf6c2e6340022be2d08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad56343c7ba1bd5950a77dedf8cd4e3ec80e67194baf6c2e6340022be2d08e8", kill_on_drop: false }`
[INFO] [stdout] 1ad56343c7ba1bd5950a77dedf8cd4e3ec80e67194baf6c2e6340022be2d08e8
