[INFO] cloning repository https://github.com/Hywan/rayon-fix-registry-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hywan/rayon-fix-registry-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHywan%2Frayon-fix-registry-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHywan%2Frayon-fix-registry-leak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] feacd3faa8bd5c976a1d6eb6e0c1a5e90cd025df
[INFO] testing Hywan/rayon-fix-registry-leak against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHywan%2Frayon-fix-registry-leak" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hywan/rayon-fix-registry-leak on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hywan/rayon-fix-registry-leak
[INFO] finished tweaking git repo https://github.com/Hywan/rayon-fix-registry-leak
[INFO] tweaked toml for git repo https://github.com/Hywan/rayon-fix-registry-leak written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Hywan/rayon-fix-registry-leak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Hywan/wasmer`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded more-asserts v0.2.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.67.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded regalloc v0.0.30
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded enumset v1.0.1
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded libloading v0.6.5
[INFO] [stderr]   Downloaded cranelift-bforest v0.67.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.67.0
[INFO] [stderr]   Downloaded enumset_derive v0.5.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded wat v1.0.28
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.67.0
[INFO] [stderr]   Downloaded object v0.21.1
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded wast v27.0.0
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded wasmparser v0.65.0
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded cranelift-entity v0.67.0
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded cranelift-codegen v0.67.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19da3ad72da8ea2ebd26180127c43c44babd12c00d73de0ba1f901acdc94819b
[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" "19da3ad72da8ea2ebd26180127c43c44babd12c00d73de0ba1f901acdc94819b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19da3ad72da8ea2ebd26180127c43c44babd12c00d73de0ba1f901acdc94819b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19da3ad72da8ea2ebd26180127c43c44babd12c00d73de0ba1f901acdc94819b", kill_on_drop: false }`
[INFO] [stdout] 19da3ad72da8ea2ebd26180127c43c44babd12c00d73de0ba1f901acdc94819b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f96f128a1091d6cae9e86b7d110751bbf52824777c3ba479101d899b30cdfab
[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" "6f96f128a1091d6cae9e86b7d110751bbf52824777c3ba479101d899b30cdfab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling wast v27.0.0
[INFO] [stderr]    Compiling regalloc v0.0.30
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wat v1.0.28
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling wasmer-types v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]    Compiling cranelift-bforest v0.67.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling wasmer-engine v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling wasmer-object v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling wasmer-engine-jit v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]    Compiling cranelift-frontend v0.67.0
[INFO] [stderr]    Compiling wasmer v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `Command { std: "docker" "inspect" "6f96f128a1091d6cae9e86b7d110751bbf52824777c3ba479101d899b30cdfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f96f128a1091d6cae9e86b7d110751bbf52824777c3ba479101d899b30cdfab", kill_on_drop: false }`
[INFO] [stdout] 6f96f128a1091d6cae9e86b7d110751bbf52824777c3ba479101d899b30cdfab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c56ce7f7cf56c5d1eb10aff83f7b07eb4058be75cfdb32c972210cf7e78ed1
[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" "14c56ce7f7cf56c5d1eb10aff83f7b07eb4058be75cfdb32c972210cf7e78ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "14c56ce7f7cf56c5d1eb10aff83f7b07eb4058be75cfdb32c972210cf7e78ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c56ce7f7cf56c5d1eb10aff83f7b07eb4058be75cfdb32c972210cf7e78ed1", kill_on_drop: false }`
[INFO] [stdout] 14c56ce7f7cf56c5d1eb10aff83f7b07eb4058be75cfdb32c972210cf7e78ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 879d59849e135afab650833027ed17a53241436a5dce9e865cdb290b8f82cb90
[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" "879d59849e135afab650833027ed17a53241436a5dce9e865cdb290b8f82cb90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bug-d75cdecb2bbf40e3)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "879d59849e135afab650833027ed17a53241436a5dce9e865cdb290b8f82cb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879d59849e135afab650833027ed17a53241436a5dce9e865cdb290b8f82cb90", kill_on_drop: false }`
[INFO] [stdout] 879d59849e135afab650833027ed17a53241436a5dce9e865cdb290b8f82cb90