[INFO] fetching crate trace_caller 0.2.0...
[INFO] checking trace_caller-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate trace_caller 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate trace_caller 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trace_caller 0.2.0
[INFO] finished tweaking crates.io crate trace_caller 0.2.0
[INFO] tweaked toml for crates.io crate trace_caller 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate trace_caller 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba0e6b6c1e7e61ead1dc36856923fdc48e1575d686292255ed2fbd547e39650b
[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" "ba0e6b6c1e7e61ead1dc36856923fdc48e1575d686292255ed2fbd547e39650b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba0e6b6c1e7e61ead1dc36856923fdc48e1575d686292255ed2fbd547e39650b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0e6b6c1e7e61ead1dc36856923fdc48e1575d686292255ed2fbd547e39650b", kill_on_drop: false }`
[INFO] [stdout] ba0e6b6c1e7e61ead1dc36856923fdc48e1575d686292255ed2fbd547e39650b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ac8bcd20424a240b4ba0548c2a3dea857c9ba526b695e72a046dc05b415aac4
[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" "9ac8bcd20424a240b4ba0548c2a3dea857c9ba526b695e72a046dc05b415aac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling trace_caller_macro v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking trace_caller v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "9ac8bcd20424a240b4ba0548c2a3dea857c9ba526b695e72a046dc05b415aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac8bcd20424a240b4ba0548c2a3dea857c9ba526b695e72a046dc05b415aac4", kill_on_drop: false }`
[INFO] [stdout] 9ac8bcd20424a240b4ba0548c2a3dea857c9ba526b695e72a046dc05b415aac4