[INFO] fetching crate x86 0.37.0...
[INFO] checking x86-0.37.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate x86 0.37.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate x86 0.37.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x86 0.37.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate x86 0.37.0
[INFO] tweaked toml for crates.io crate x86 0.37.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded klogger v0.0.6
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb2e12cb9687f1f987ae6d3554ee37419cb62c56ebf163e5f9ec6a49ec0526b6
[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" "eb2e12cb9687f1f987ae6d3554ee37419cb62c56ebf163e5f9ec6a49ec0526b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2e12cb9687f1f987ae6d3554ee37419cb62c56ebf163e5f9ec6a49ec0526b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2e12cb9687f1f987ae6d3554ee37419cb62c56ebf163e5f9ec6a49ec0526b6", kill_on_drop: false }`
[INFO] [stdout] eb2e12cb9687f1f987ae6d3554ee37419cb62c56ebf163e5f9ec6a49ec0526b6
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af96cf0f611ee7caf49abcb1ccf8b13c5e00c7729d2b459467acc80d225627c
[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" "7af96cf0f611ee7caf49abcb1ccf8b13c5e00c7729d2b459467acc80d225627c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling x86 v0.32.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling x86 v0.37.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking termcodes v0.0.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking klogger v0.0.6
[INFO] [stdout] error[E0463]: can't find crate for `x86test`
[INFO] [stdout]   --> tests/kvm/bin.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate x86test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7af96cf0f611ee7caf49abcb1ccf8b13c5e00c7729d2b459467acc80d225627c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af96cf0f611ee7caf49abcb1ccf8b13c5e00c7729d2b459467acc80d225627c", kill_on_drop: false }`
[INFO] [stdout] 7af96cf0f611ee7caf49abcb1ccf8b13c5e00c7729d2b459467acc80d225627c