[INFO] fetching crate guid 0.1.0...
[INFO] checking guid-0.1.0 against beta for pr-78714
[INFO] extracting crate guid 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate guid 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guid 0.1.0
[INFO] finished tweaking crates.io crate guid 0.1.0
[INFO] tweaked toml for crates.io crate guid 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f92a1a517da2558cabb35c76a6d968ccdcab2aef1e84daf002328037d8c81082
[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" "f92a1a517da2558cabb35c76a6d968ccdcab2aef1e84daf002328037d8c81082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f92a1a517da2558cabb35c76a6d968ccdcab2aef1e84daf002328037d8c81082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92a1a517da2558cabb35c76a6d968ccdcab2aef1e84daf002328037d8c81082", kill_on_drop: false }`
[INFO] [stdout] f92a1a517da2558cabb35c76a6d968ccdcab2aef1e84daf002328037d8c81082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d220c2557379762bf1fbbc06819e5429a4705c781c89e02687ef5888073b9ae
[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" "7d220c2557379762bf1fbbc06819e5429a4705c781c89e02687ef5888073b9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking either v0.1.7
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking chomp v0.3.1
[INFO] [stderr]     Checking guid-parser v0.1.0
[INFO] [stderr]     Checking guid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "7d220c2557379762bf1fbbc06819e5429a4705c781c89e02687ef5888073b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d220c2557379762bf1fbbc06819e5429a4705c781c89e02687ef5888073b9ae", kill_on_drop: false }`
[INFO] [stdout] 7d220c2557379762bf1fbbc06819e5429a4705c781c89e02687ef5888073b9ae