[INFO] fetching crate tracers-libstapsdt-sys 0.1.0...
[INFO] checking tracers-libstapsdt-sys-0.1.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate tracers-libstapsdt-sys 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tracers-libstapsdt-sys 0.1.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracers-libstapsdt-sys 0.1.0
[INFO] finished tweaking crates.io crate tracers-libstapsdt-sys 0.1.0
[INFO] tweaked toml for crates.io crate tracers-libstapsdt-sys 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracers-libelf-sys v0.1.0
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 721fb69fd0f9d8467b3e119e3c1947ccc879bd851f3dbc9fe7e480a27707f7c9
[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" "721fb69fd0f9d8467b3e119e3c1947ccc879bd851f3dbc9fe7e480a27707f7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "721fb69fd0f9d8467b3e119e3c1947ccc879bd851f3dbc9fe7e480a27707f7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721fb69fd0f9d8467b3e119e3c1947ccc879bd851f3dbc9fe7e480a27707f7c9", kill_on_drop: false }`
[INFO] [stdout] 721fb69fd0f9d8467b3e119e3c1947ccc879bd851f3dbc9fe7e480a27707f7c9
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ed6dac04bd4fc729610e77deb18e877e249b1c5d2e30797277632f6d45ce60
[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" "51ed6dac04bd4fc729610e77deb18e877e249b1c5d2e30797277632f6d45ce60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tracers-libstapsdt-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.45s
[INFO] running `Command { std: "docker" "inspect" "51ed6dac04bd4fc729610e77deb18e877e249b1c5d2e30797277632f6d45ce60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ed6dac04bd4fc729610e77deb18e877e249b1c5d2e30797277632f6d45ce60", kill_on_drop: false }`
[INFO] [stdout] 51ed6dac04bd4fc729610e77deb18e877e249b1c5d2e30797277632f6d45ce60