[INFO] fetching crate sampi 0.2.8...
[INFO] documenting sampi-0.2.8 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate sampi 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sampi 0.2.8 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sampi 0.2.8
[INFO] finished tweaking crates.io crate sampi 0.2.8
[INFO] tweaked toml for crates.io crate sampi 0.2.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate sampi 0.2.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c8999e3e511e7aa078e9dc4afcf372bc4a8c47aa0320bd525fb2a891868dbe
[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" "00c8999e3e511e7aa078e9dc4afcf372bc4a8c47aa0320bd525fb2a891868dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c8999e3e511e7aa078e9dc4afcf372bc4a8c47aa0320bd525fb2a891868dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c8999e3e511e7aa078e9dc4afcf372bc4a8c47aa0320bd525fb2a891868dbe", kill_on_drop: false }`
[INFO] [stdout] 00c8999e3e511e7aa078e9dc4afcf372bc4a8c47aa0320bd525fb2a891868dbe
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 2946c0e56630380cdcfc6a76ef7aaf99614c1761dbf6bb5907cd4bdc5ae57424
[INFO] running `Command { std: "docker" "start" "-a" "2946c0e56630380cdcfc6a76ef7aaf99614c1761dbf6bb5907cd4bdc5ae57424", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking qrcodegen v1.6.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking structopt v0.3.19
[INFO] [stderr]  Documenting sampi v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.43s
[INFO] running `Command { std: "docker" "inspect" "2946c0e56630380cdcfc6a76ef7aaf99614c1761dbf6bb5907cd4bdc5ae57424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2946c0e56630380cdcfc6a76ef7aaf99614c1761dbf6bb5907cd4bdc5ae57424", kill_on_drop: false }`
[INFO] [stdout] 2946c0e56630380cdcfc6a76ef7aaf99614c1761dbf6bb5907cd4bdc5ae57424
