[INFO] fetching crate nu_plugin_s3 0.44.0...
[INFO] documenting nu_plugin_s3-0.44.0 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate nu_plugin_s3 0.44.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nu_plugin_s3 0.44.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_s3 0.44.0
[INFO] finished tweaking crates.io crate nu_plugin_s3 0.44.0
[INFO] tweaked toml for crates.io crate nu_plugin_s3 0.44.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_s3 0.44.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4fe0a72576c2baef17106d063242c9502e9e253ac1999548bcc58a3f31424d5
[INFO] running `Command { std: "docker" "start" "-a" "b4fe0a72576c2baef17106d063242c9502e9e253ac1999548bcc58a3f31424d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4fe0a72576c2baef17106d063242c9502e9e253ac1999548bcc58a3f31424d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fe0a72576c2baef17106d063242c9502e9e253ac1999548bcc58a3f31424d5", kill_on_drop: false }`
[INFO] [stdout] b4fe0a72576c2baef17106d063242c9502e9e253ac1999548bcc58a3f31424d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe674b2e6378f5f9b933e9363200f175d5cd7393ff47c6fc3e564d530d3324c
[INFO] running `Command { std: "docker" "start" "-a" "4fe674b2e6378f5f9b933e9363200f175d5cd7393ff47c6fc3e564d530d3324c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]    Compiling syn v1.0.86
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[INFO] [stderr]    Compiling serde_derive v1.0.136
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling async-trait v0.1.52
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[INFO] [stderr]    Compiling futures-macro v0.3.21
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[INFO] [stderr]     Checking nu-plugin v0.44.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking s3handler v0.7.6
[INFO] [stderr]  Documenting nu_plugin_s3 v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/nu_plugin_s3/index.html
[INFO] running `Command { std: "docker" "inspect" "4fe674b2e6378f5f9b933e9363200f175d5cd7393ff47c6fc3e564d530d3324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe674b2e6378f5f9b933e9363200f175d5cd7393ff47c6fc3e564d530d3324c", kill_on_drop: false }`
[INFO] [stdout] 4fe674b2e6378f5f9b933e9363200f175d5cd7393ff47c6fc3e564d530d3324c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aabf49d17a873c8829056e130c780a357717d8ccc674b66058f48a18062ea5ea
[INFO] running `Command { std: "docker" "start" "-a" "aabf49d17a873c8829056e130c780a357717d8ccc674b66058f48a18062ea5ea", kill_on_drop: false }`
[INFO] [stderr]  Documenting nu_plugin_s3 v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/nu_plugin_s3/index.html
[INFO] running `Command { std: "docker" "inspect" "aabf49d17a873c8829056e130c780a357717d8ccc674b66058f48a18062ea5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabf49d17a873c8829056e130c780a357717d8ccc674b66058f48a18062ea5ea", kill_on_drop: false }`
[INFO] [stdout] aabf49d17a873c8829056e130c780a357717d8ccc674b66058f48a18062ea5ea