[INFO] fetching crate x86 0.37.0...
[INFO] checking x86-0.37.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate x86 0.37.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate x86 0.37.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f405cac36e5028fc769ec4226f22bda22aa0804ea3471a9978d991673bcc912f
[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" "f405cac36e5028fc769ec4226f22bda22aa0804ea3471a9978d991673bcc912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f405cac36e5028fc769ec4226f22bda22aa0804ea3471a9978d991673bcc912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f405cac36e5028fc769ec4226f22bda22aa0804ea3471a9978d991673bcc912f", kill_on_drop: false }`
[INFO] [stdout] f405cac36e5028fc769ec4226f22bda22aa0804ea3471a9978d991673bcc912f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7b4716e24bb904ff0d40796973eb6a86d64929abb019044557795a0c291763e
[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" "d7b4716e24bb904ff0d40796973eb6a86d64929abb019044557795a0c291763e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling x86 v0.32.0
[INFO] [stderr]    Compiling x86 v0.37.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking termcodes v0.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking hash32 v0.1.1
[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" "d7b4716e24bb904ff0d40796973eb6a86d64929abb019044557795a0c291763e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b4716e24bb904ff0d40796973eb6a86d64929abb019044557795a0c291763e", kill_on_drop: false }`
[INFO] [stdout] d7b4716e24bb904ff0d40796973eb6a86d64929abb019044557795a0c291763e