[INFO] fetching crate calm 0.1.0...
[INFO] documenting calm-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate calm 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate calm 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calm 0.1.0
[INFO] finished tweaking crates.io crate calm 0.1.0
[INFO] tweaked toml for crates.io crate calm 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "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] aba0781d3df66a3667be027adb5ce574aa5648797dab746076c6f3f55162b6ad
[INFO] running `Command { std: "docker" "start" "-a" "aba0781d3df66a3667be027adb5ce574aa5648797dab746076c6f3f55162b6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba0781d3df66a3667be027adb5ce574aa5648797dab746076c6f3f55162b6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba0781d3df66a3667be027adb5ce574aa5648797dab746076c6f3f55162b6ad", kill_on_drop: false }`
[INFO] [stdout] aba0781d3df66a3667be027adb5ce574aa5648797dab746076c6f3f55162b6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87aa1ee63b9ca60241ed5299eae87b0d45c0662d99de2e7fe59089450d204a5b
[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" "87aa1ee63b9ca60241ed5299eae87b0d45c0662d99de2e7fe59089450d204a5b", kill_on_drop: false }`
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking which v1.0.5
[INFO] [stderr]     Checking libz-sys v1.1.1
[INFO] [stderr]     Checking clicolors-control v0.3.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking libssh2-sys v0.2.19
[INFO] [stderr]     Checking curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking console v0.5.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking indicatif v0.6.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]  Documenting calm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.53s
[INFO] running `Command { std: "docker" "inspect" "87aa1ee63b9ca60241ed5299eae87b0d45c0662d99de2e7fe59089450d204a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87aa1ee63b9ca60241ed5299eae87b0d45c0662d99de2e7fe59089450d204a5b", kill_on_drop: false }`
[INFO] [stdout] 87aa1ee63b9ca60241ed5299eae87b0d45c0662d99de2e7fe59089450d204a5b