[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] checking Hywan/rayon-fix-registry-leak against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHywan%2Frayon-fix-registry-leak" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hywan/rayon-fix-registry-leak on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 0a0fc0515cf03b01c668da6e5b42a62794921e94de22f000ed0e5af9f679dcad
[INFO] running `Command { std: "docker" "start" "-a" "0a0fc0515cf03b01c668da6e5b42a62794921e94de22f000ed0e5af9f679dcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0fc0515cf03b01c668da6e5b42a62794921e94de22f000ed0e5af9f679dcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0fc0515cf03b01c668da6e5b42a62794921e94de22f000ed0e5af9f679dcad", kill_on_drop: false }`
[INFO] [stdout] 0a0fc0515cf03b01c668da6e5b42a62794921e94de22f000ed0e5af9f679dcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5bd74db0748a32417126f21d86a7b61acec2e7fffcdedc3d2c40af9c0e196c
[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" "fc5bd74db0748a32417126f21d86a7b61acec2e7fffcdedc3d2c40af9c0e196c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking hashbrown v0.9.1
[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 strsim v0.9.3
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking wast v27.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking wat v1.0.28
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[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]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking cranelift-entity v0.67.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking cranelift-bforest v0.67.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking wasmer-engine-native v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking wasmer-engine-jit v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]     Checking cranelift-frontend v0.67.0
[INFO] [stderr]     Checking wasmer v1.0.0-alpha5 (https://github.com/Hywan/wasmer?branch=fix-vm-leak#8016a34b)
[INFO] [stderr]     Checking bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "fc5bd74db0748a32417126f21d86a7b61acec2e7fffcdedc3d2c40af9c0e196c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5bd74db0748a32417126f21d86a7b61acec2e7fffcdedc3d2c40af9c0e196c", kill_on_drop: false }`
[INFO] [stdout] fc5bd74db0748a32417126f21d86a7b61acec2e7fffcdedc3d2c40af9c0e196c