[INFO] fetching crate backtrace-on-stack-overflow 0.1.1...
[INFO] checking backtrace-on-stack-overflow-0.1.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate backtrace-on-stack-overflow 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate backtrace-on-stack-overflow 0.1.1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtrace-on-stack-overflow 0.1.1
[INFO] finished tweaking crates.io crate backtrace-on-stack-overflow 0.1.1
[INFO] tweaked toml for crates.io crate backtrace-on-stack-overflow 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 136128c660dff79fc5095611f2052c7a1be9eab8f42e3a0d93541a1f41eec111
[INFO] running `Command { std: "docker" "start" "-a" "136128c660dff79fc5095611f2052c7a1be9eab8f42e3a0d93541a1f41eec111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136128c660dff79fc5095611f2052c7a1be9eab8f42e3a0d93541a1f41eec111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136128c660dff79fc5095611f2052c7a1be9eab8f42e3a0d93541a1f41eec111", kill_on_drop: false }`
[INFO] [stdout] 136128c660dff79fc5095611f2052c7a1be9eab8f42e3a0d93541a1f41eec111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 138bdc652d9b339b870e0c1b65db920e6233a7f7177528ca21cb11afeb26e994
[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" "138bdc652d9b339b870e0c1b65db920e6233a7f7177528ca21cb11afeb26e994", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking backtrace-on-stack-overflow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "138bdc652d9b339b870e0c1b65db920e6233a7f7177528ca21cb11afeb26e994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138bdc652d9b339b870e0c1b65db920e6233a7f7177528ca21cb11afeb26e994", kill_on_drop: false }`
[INFO] [stdout] 138bdc652d9b339b870e0c1b65db920e6233a7f7177528ca21cb11afeb26e994