[INFO] fetching crate s3-algo 0.2.0...
[INFO] documenting s3-algo-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate s3-algo 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate s3-algo 0.2.0 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 s3-algo 0.2.0
[INFO] finished tweaking crates.io crate s3-algo 0.2.0
[INFO] tweaked toml for crates.io crate s3-algo 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate s3-algo 0.2.0 already has a lockfile, it will not be regenerated
[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 hyper v0.13.2
[INFO] [stderr]   Downloaded futures-retry v0.5.0
[INFO] [stderr]   Downloaded rusoto_credential v0.44.0
[INFO] [stderr]   Downloaded snafu v0.6.1
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
[INFO] [stderr]   Downloaded rusoto_core v0.44.0
[INFO] [stderr]   Downloaded multi-default-trait-impl v0.1.2
[INFO] [stderr]   Downloaded rusoto_s3 v0.44.0
[INFO] [stderr]   Downloaded futures-stopwatch v0.3.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9ab21d86e3bebce824f9621ccc30d0c72577f50fea3295b5b04eca51d8dcd24c
[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" "9ab21d86e3bebce824f9621ccc30d0c72577f50fea3295b5b04eca51d8dcd24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab21d86e3bebce824f9621ccc30d0c72577f50fea3295b5b04eca51d8dcd24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab21d86e3bebce824f9621ccc30d0c72577f50fea3295b5b04eca51d8dcd24c", kill_on_drop: false }`
[INFO] [stdout] 9ab21d86e3bebce824f9621ccc30d0c72577f50fea3295b5b04eca51d8dcd24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ad9af53aa15a75290ad88241247f5f2b3cc00b2b67fa2a5089dd7c8192d5a60
[INFO] running `Command { std: "docker" "start" "-a" "9ad9af53aa15a75290ad88241247f5f2b3cc00b2b67fa2a5089dd7c8192d5a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling rusoto_core v0.44.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling snafu-derive v0.6.1
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking snafu v0.6.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking futures-stopwatch v0.3.0
[INFO] [stderr]     Checking futures-retry v0.5.0
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking rusoto_credential v0.44.0
[INFO] [stderr]     Checking rusoto_signature v0.44.0
[INFO] [stderr]     Checking rusoto_s3 v0.44.0
[INFO] [stderr]  Documenting s3-algo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "9ad9af53aa15a75290ad88241247f5f2b3cc00b2b67fa2a5089dd7c8192d5a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad9af53aa15a75290ad88241247f5f2b3cc00b2b67fa2a5089dd7c8192d5a60", kill_on_drop: false }`
[INFO] [stdout] 9ad9af53aa15a75290ad88241247f5f2b3cc00b2b67fa2a5089dd7c8192d5a60