[INFO] fetching crate wasmer 2.0.0-rc1...
[INFO] checking wasmer-2.0.0-rc1 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate wasmer 2.0.0-rc1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmer 2.0.0-rc1 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer 2.0.0-rc1
[INFO] finished tweaking crates.io crate wasmer 2.0.0-rc1
[INFO] tweaked toml for crates.io crate wasmer 2.0.0-rc1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f1603074b05aec701829f3c335ab60d8a915a7a7da45e4f7ca546cca76596e0
[INFO] running `Command { std: "docker" "start" "-a" "6f1603074b05aec701829f3c335ab60d8a915a7a7da45e4f7ca546cca76596e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1603074b05aec701829f3c335ab60d8a915a7a7da45e4f7ca546cca76596e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1603074b05aec701829f3c335ab60d8a915a7a7da45e4f7ca546cca76596e0", kill_on_drop: false }`
[INFO] [stdout] 6f1603074b05aec701829f3c335ab60d8a915a7a7da45e4f7ca546cca76596e0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9eb199c9fcc9b16d9c086226cd5d1f0947d94ba2be1769c30273e2a2eaa8ec2
[INFO] running `Command { std: "docker" "start" "-a" "b9eb199c9fcc9b16d9c086226cd5d1f0947d94ba2be1769c30273e2a2eaa8ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling cranelift-entity v0.74.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.74.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]    Compiling wasmer-vm v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking wast v36.0.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking cranelift-bforest v0.74.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.74.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wat v1.0.38
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling wasmer-derive v2.0.0
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling cranelift-codegen v0.74.0
[INFO] [stderr]     Checking ptr_meta v0.1.3
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling enumset_derive v0.5.4
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking enumset v1.0.6
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking wasmer-types v2.0.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking wasmer-compiler v2.0.0
[INFO] [stderr]     Checking wasmer-engine v2.0.0
[INFO] [stderr]     Checking wasmer-object v2.0.0
[INFO] [stderr]     Checking wasmer-engine-dylib v2.0.0
[INFO] [stderr]     Checking wasmer-engine-universal v2.0.0
[INFO] [stderr]     Checking cranelift-frontend v0.74.0
[INFO] [stderr]     Checking wasmer v2.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/reference_types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.43s
[INFO] running `Command { std: "docker" "inspect" "b9eb199c9fcc9b16d9c086226cd5d1f0947d94ba2be1769c30273e2a2eaa8ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9eb199c9fcc9b16d9c086226cd5d1f0947d94ba2be1769c30273e2a2eaa8ec2", kill_on_drop: false }`
[INFO] [stdout] b9eb199c9fcc9b16d9c086226cd5d1f0947d94ba2be1769c30273e2a2eaa8ec2