[INFO] fetching crate atelier_select 0.1.0...
[INFO] checking atelier_select-0.1.0 against beta for pr-78714
[INFO] extracting crate atelier_select 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atelier_select 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 atelier_select 0.1.0
[INFO] finished tweaking crates.io crate atelier_select 0.1.0
[INFO] tweaked toml for crates.io crate atelier_select 0.1.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 336b474cdaa0d7e3692c3410253b1e26220e5ad9699f12c183736807dd008c6e
[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" "336b474cdaa0d7e3692c3410253b1e26220e5ad9699f12c183736807dd008c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336b474cdaa0d7e3692c3410253b1e26220e5ad9699f12c183736807dd008c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336b474cdaa0d7e3692c3410253b1e26220e5ad9699f12c183736807dd008c6e", kill_on_drop: false }`
[INFO] [stdout] 336b474cdaa0d7e3692c3410253b1e26220e5ad9699f12c183736807dd008c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f69f58b6a04708852e189c7b580543e68e03d69a438e62292634ff7f76807268
[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" "f69f58b6a04708852e189c7b580543e68e03d69a438e62292634ff7f76807268", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking atelier_core v0.2.1
[INFO] [stderr]     Checking atelier_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "f69f58b6a04708852e189c7b580543e68e03d69a438e62292634ff7f76807268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69f58b6a04708852e189c7b580543e68e03d69a438e62292634ff7f76807268", kill_on_drop: false }`
[INFO] [stdout] f69f58b6a04708852e189c7b580543e68e03d69a438e62292634ff7f76807268