[INFO] fetching crate wasmer-wasi-experimental-io-devices 1.0.2...
[INFO] checking wasmer-wasi-experimental-io-devices-1.0.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate wasmer-wasi-experimental-io-devices 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 1.0.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-wasi-experimental-io-devices 1.0.2
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 1.0.2
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 1.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4263dcdd336336aeabaa9d6f19c7139d32c7f790df33f08e160821248461b054
[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" "4263dcdd336336aeabaa9d6f19c7139d32c7f790df33f08e160821248461b054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4263dcdd336336aeabaa9d6f19c7139d32c7f790df33f08e160821248461b054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4263dcdd336336aeabaa9d6f19c7139d32c7f790df33f08e160821248461b054", kill_on_drop: false }`
[INFO] [stdout] 4263dcdd336336aeabaa9d6f19c7139d32c7f790df33f08e160821248461b054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b18f767556ee2e07558fec52bbb1e4cf1f412f865c59b3114c841a8a680c4e2
[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" "3b18f767556ee2e07558fec52bbb1e4cf1f412f865c59b3114c841a8a680c4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking memmap2 v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking wasmer-vm v1.0.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.2
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]     Checking wasmer-engine v1.0.2
[INFO] [stderr]     Checking wasmer v1.0.2
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking wasmer-wasi v1.0.2
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking wasmer-wasi-experimental-io-devices v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "3b18f767556ee2e07558fec52bbb1e4cf1f412f865c59b3114c841a8a680c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b18f767556ee2e07558fec52bbb1e4cf1f412f865c59b3114c841a8a680c4e2", kill_on_drop: false }`
[INFO] [stdout] 3b18f767556ee2e07558fec52bbb1e4cf1f412f865c59b3114c841a8a680c4e2