[INFO] fetching crate ftp2mfs 0.1.1...
[INFO] documenting ftp2mfs-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ftp2mfs 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ftp2mfs 0.1.1 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 ftp2mfs 0.1.1
[INFO] finished tweaking crates.io crate ftp2mfs 0.1.1
[INFO] tweaked toml for crates.io crate ftp2mfs 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ftp2mfs 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bs58 v0.3.1
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[INFO] [stderr]   Downloaded libunftp v0.11.0
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[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded ipfs-mfs v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded async_ftp v4.0.1
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[INFO] [stderr]   Downloaded serde-humantime v0.1.1
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[INFO] [stderr]   Downloaded ipfs-api v0.8.0-rc
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[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded bytes v0.5.5
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[INFO] [stderr]   Downloaded rand_jitter v0.1.4
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[INFO] [stderr]   Downloaded nanoid v0.3.0
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[INFO] [stderr]   Downloaded clap v3.0.0-beta.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 13dec3c1970d226bd28d1bebdc84f2a2d8944de72a059c8278e4e09f880a8a3a
[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" "13dec3c1970d226bd28d1bebdc84f2a2d8944de72a059c8278e4e09f880a8a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13dec3c1970d226bd28d1bebdc84f2a2d8944de72a059c8278e4e09f880a8a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13dec3c1970d226bd28d1bebdc84f2a2d8944de72a059c8278e4e09f880a8a3a", kill_on_drop: false }`
[INFO] [stdout] 13dec3c1970d226bd28d1bebdc84f2a2d8944de72a059c8278e4e09f880a8a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b0ac54ac3e79be15b6f64f2e7c1d562895560c49d7a01966c0ccec72ac331259
[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" "b0ac54ac3e79be15b6f64f2e7c1d562895560c49d7a01966c0ccec72ac331259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling blake3 v0.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand v0.5.6
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking regex v1.3.9
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[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking url v1.7.2
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[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling typed-builder v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking clap v3.0.0-beta.1
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[INFO] [stderr]     Checking tokio-tls v0.3.1
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[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures v0.3.5
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[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
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[INFO] [stderr]     Checking chrono v0.4.11
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[INFO] [stderr]     Checking serde-humantime v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking async_ftp v4.0.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking hyper-multipart-rfc7578 v0.4.0-rc
[INFO] [stderr]     Checking ipfs-api v0.8.0-rc
[INFO] [stderr]     Checking ipfs-mfs v0.2.0
[INFO] [stderr]  Documenting ftp2mfs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "b0ac54ac3e79be15b6f64f2e7c1d562895560c49d7a01966c0ccec72ac331259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ac54ac3e79be15b6f64f2e7c1d562895560c49d7a01966c0ccec72ac331259", kill_on_drop: false }`
[INFO] [stdout] b0ac54ac3e79be15b6f64f2e7c1d562895560c49d7a01966c0ccec72ac331259