[INFO] fetching crate mextk-sys 0.1.0...
[INFO] testing mextk-sys-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mextk-sys 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mextk-sys 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mextk-sys 0.1.0
[INFO] finished tweaking crates.io crate mextk-sys 0.1.0
[INFO] tweaked toml for crates.io crate mextk-sys 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92deb500878075eef4363004f1fa998a6f4220144b07aad2c2aaafbf2474d825
[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" "92deb500878075eef4363004f1fa998a6f4220144b07aad2c2aaafbf2474d825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92deb500878075eef4363004f1fa998a6f4220144b07aad2c2aaafbf2474d825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92deb500878075eef4363004f1fa998a6f4220144b07aad2c2aaafbf2474d825", kill_on_drop: false }`
[INFO] [stdout] 92deb500878075eef4363004f1fa998a6f4220144b07aad2c2aaafbf2474d825
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4722fb8473f0be30ea4c1e32cb0d0514515f5f61198f76fb7870129f95b63439
[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" "4722fb8473f0be30ea4c1e32cb0d0514515f5f61198f76fb7870129f95b63439", kill_on_drop: false }`
[INFO] [stderr]    Compiling mextk-libc v0.1.0
[INFO] [stderr]    Compiling mextk-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "4722fb8473f0be30ea4c1e32cb0d0514515f5f61198f76fb7870129f95b63439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4722fb8473f0be30ea4c1e32cb0d0514515f5f61198f76fb7870129f95b63439", kill_on_drop: false }`
[INFO] [stdout] 4722fb8473f0be30ea4c1e32cb0d0514515f5f61198f76fb7870129f95b63439
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461c5e678d0a4ecf91633bdf26d11ef46e1ce0596f854c28967fc82881fe5ebb
[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" "461c5e678d0a4ecf91633bdf26d11ef46e1ce0596f854c28967fc82881fe5ebb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mextk-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mextk-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mextk_sys --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=bebf0a0359e25b64 -C extra-filename=-bebf0a0359e25b64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern mextk_libc=/opt/rustwide/target/debug/deps/libmextk_libc-c35fcb9ddf82ce2a.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "461c5e678d0a4ecf91633bdf26d11ef46e1ce0596f854c28967fc82881fe5ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461c5e678d0a4ecf91633bdf26d11ef46e1ce0596f854c28967fc82881fe5ebb", kill_on_drop: false }`
[INFO] [stdout] 461c5e678d0a4ecf91633bdf26d11ef46e1ce0596f854c28967fc82881fe5ebb