[INFO] fetching crate wasmer-compiler-singlepass 1.0.0-alpha01.0...
[INFO] checking wasmer-compiler-singlepass-1.0.0-alpha01.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate wasmer-compiler-singlepass 1.0.0-alpha01.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmer-compiler-singlepass 1.0.0-alpha01.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha01.0
[INFO] finished tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha01.0
[INFO] tweaked toml for crates.io crate wasmer-compiler-singlepass 1.0.0-alpha01.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded dynasm v1.0.0
[INFO] [stderr]   Downloaded dynasmrt v1.0.0
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] bec3ba27323b4ab9fdce047d0654157ebea8105cf62107289ce65b7ea4f51d9a
[INFO] running `Command { std: "docker" "start" "-a" "bec3ba27323b4ab9fdce047d0654157ebea8105cf62107289ce65b7ea4f51d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec3ba27323b4ab9fdce047d0654157ebea8105cf62107289ce65b7ea4f51d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec3ba27323b4ab9fdce047d0654157ebea8105cf62107289ce65b7ea4f51d9a", kill_on_drop: false }`
[INFO] [stdout] bec3ba27323b4ab9fdce047d0654157ebea8105cf62107289ce65b7ea4f51d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da5e650416dff14a2afaf97a141f8b88ebd1c28281762497461e5ea649443b09
[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" "da5e650416dff14a2afaf97a141f8b88ebd1c28281762497461e5ea649443b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha02.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling dynasm v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking cranelift-entity v0.65.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha02.0
[INFO] [stderr]     Checking dynasmrt v1.0.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha02.0
[INFO] [stderr]     Checking wasmer-compiler-singlepass v1.0.0-alpha01.0 (/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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `Command { std: "docker" "inspect" "da5e650416dff14a2afaf97a141f8b88ebd1c28281762497461e5ea649443b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5e650416dff14a2afaf97a141f8b88ebd1c28281762497461e5ea649443b09", kill_on_drop: false }`
[INFO] [stdout] da5e650416dff14a2afaf97a141f8b88ebd1c28281762497461e5ea649443b09
