[INFO] fetching crate emcee 1.0.0-alpha.2... [INFO] documenting emcee-1.0.0-alpha.2 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate emcee 1.0.0-alpha.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate emcee 1.0.0-alpha.2 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate emcee 1.0.0-alpha.2 [INFO] finished tweaking crates.io crate emcee 1.0.0-alpha.2 [INFO] tweaked toml for crates.io crate emcee 1.0.0-alpha.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded assert_approx_eq v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81d1f253bea21bdd7f00eccc06f4db51321e72d01180b5276aa4519a2a8589bb [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" "81d1f253bea21bdd7f00eccc06f4db51321e72d01180b5276aa4519a2a8589bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81d1f253bea21bdd7f00eccc06f4db51321e72d01180b5276aa4519a2a8589bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81d1f253bea21bdd7f00eccc06f4db51321e72d01180b5276aa4519a2a8589bb", kill_on_drop: false }` [INFO] [stdout] 81d1f253bea21bdd7f00eccc06f4db51321e72d01180b5276aa4519a2a8589bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3e166df160e975a5bd261a2cd85f851c8accd2ca9a125c5aaa7592fe2110e77 [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" "c3e166df160e975a5bd261a2cd85f851c8accd2ca9a125c5aaa7592fe2110e77", kill_on_drop: false }` [INFO] [stderr] Documenting emcee v1.0.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.71s [INFO] running `Command { std: "docker" "inspect" "c3e166df160e975a5bd261a2cd85f851c8accd2ca9a125c5aaa7592fe2110e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e166df160e975a5bd261a2cd85f851c8accd2ca9a125c5aaa7592fe2110e77", kill_on_drop: false }` [INFO] [stdout] c3e166df160e975a5bd261a2cd85f851c8accd2ca9a125c5aaa7592fe2110e77