[INFO] fetching crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5...
[INFO] testing wasmer-wasi-experimental-io-devices-1.0.0-alpha5 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 1.0.0-alpha5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da5c49f1c6bab6dee00a76f0fa8e738047d016e7eb024ab7601e80456e20287
[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" "6da5c49f1c6bab6dee00a76f0fa8e738047d016e7eb024ab7601e80456e20287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da5c49f1c6bab6dee00a76f0fa8e738047d016e7eb024ab7601e80456e20287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da5c49f1c6bab6dee00a76f0fa8e738047d016e7eb024ab7601e80456e20287", kill_on_drop: false }`
[INFO] [stdout] 6da5c49f1c6bab6dee00a76f0fa8e738047d016e7eb024ab7601e80456e20287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e488b51b9b219cb35f2d386419b487ab0a384bf79e3cf19ce865be66b4677a0
[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" "7e488b51b9b219cb35f2d386419b487ab0a384bf79e3cf19ce865be66b4677a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha5
[INFO] [stderr]    Compiling minifb v0.19.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]    Compiling wayland-cursor v0.27.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling wasmer-types v1.0.0-alpha5
[INFO] [stderr]    Compiling typetag v0.1.6
[INFO] [stderr]    Compiling wasmer-compiler v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-engine v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-wasi v1.0.0-alpha5
[INFO] [stderr]    Compiling wasmer-wasi-experimental-io-devices v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 00s
[INFO] running `Command { std: "docker" "inspect" "7e488b51b9b219cb35f2d386419b487ab0a384bf79e3cf19ce865be66b4677a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e488b51b9b219cb35f2d386419b487ab0a384bf79e3cf19ce865be66b4677a0", kill_on_drop: false }`
[INFO] [stdout] 7e488b51b9b219cb35f2d386419b487ab0a384bf79e3cf19ce865be66b4677a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b2e98c9fb1abb762a92c39a7d097176d11d5cd84132af6e33ec9e6f617b287
[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" "75b2e98c9fb1abb762a92c39a7d097176d11d5cd84132af6e33ec9e6f617b287", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmer-wasi-experimental-io-devices v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "75b2e98c9fb1abb762a92c39a7d097176d11d5cd84132af6e33ec9e6f617b287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b2e98c9fb1abb762a92c39a7d097176d11d5cd84132af6e33ec9e6f617b287", kill_on_drop: false }`
[INFO] [stdout] 75b2e98c9fb1abb762a92c39a7d097176d11d5cd84132af6e33ec9e6f617b287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24658756c7119d287c4ce3a7a90caa4ca130247fe784d88b6581257223b07d10
[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" "24658756c7119d287c4ce3a7a90caa4ca130247fe784d88b6581257223b07d10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmer_wasi_experimental_io_devices-46a6fea65d11d2bc
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmer-wasi-experimental-io-devices
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24658756c7119d287c4ce3a7a90caa4ca130247fe784d88b6581257223b07d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24658756c7119d287c4ce3a7a90caa4ca130247fe784d88b6581257223b07d10", kill_on_drop: false }`
[INFO] [stdout] 24658756c7119d287c4ce3a7a90caa4ca130247fe784d88b6581257223b07d10