[INFO] fetching crate iri 0.1.0...
[INFO] checking iri-0.1.0 against beta for pr-78714
[INFO] extracting crate iri 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate iri 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 iri 0.1.0
[INFO] finished tweaking crates.io crate iri 0.1.0
[INFO] tweaked toml for crates.io crate iri 0.1.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2de90c00ed8058668fa6efd27c1a20ef66ab17ed2ffc0c788c5a4b5982ca15d1
[INFO] running `Command { std: "docker" "start" "-a" "2de90c00ed8058668fa6efd27c1a20ef66ab17ed2ffc0c788c5a4b5982ca15d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de90c00ed8058668fa6efd27c1a20ef66ab17ed2ffc0c788c5a4b5982ca15d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de90c00ed8058668fa6efd27c1a20ef66ab17ed2ffc0c788c5a4b5982ca15d1", kill_on_drop: false }`
[INFO] [stdout] 2de90c00ed8058668fa6efd27c1a20ef66ab17ed2ffc0c788c5a4b5982ca15d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 034ad328daec2f7226b8b7118f68954d88a7f0b0bd4274a3e3c41045014ef6be
[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" "034ad328daec2f7226b8b7118f68954d88a7f0b0bd4274a3e3c41045014ef6be", kill_on_drop: false }`
[INFO] [stderr]     Checking iri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "034ad328daec2f7226b8b7118f68954d88a7f0b0bd4274a3e3c41045014ef6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034ad328daec2f7226b8b7118f68954d88a7f0b0bd4274a3e3c41045014ef6be", kill_on_drop: false }`
[INFO] [stdout] 034ad328daec2f7226b8b7118f68954d88a7f0b0bd4274a3e3c41045014ef6be