[INFO] fetching crate ftw 0.7.0...
[INFO] documenting ftw-0.7.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate ftw 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ftw 0.7.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ftw 0.7.0
[INFO] finished tweaking crates.io crate ftw 0.7.0
[INFO] tweaked toml for crates.io crate ftw 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ftw 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded liquid-derive v0.22.0
[INFO] [stderr]   Downloaded remove_dir_all v0.7.0
[INFO] [stderr]   Downloaded crates-io v0.33.0
[INFO] [stderr]   Downloaded rust-ini v0.17.0
[INFO] [stderr]   Downloaded voca_rs v1.13.0
[INFO] [stderr]   Downloaded liquid-lib v0.22.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.6
[INFO] [stderr]   Downloaded cargo v0.52.0
[INFO] [stderr]   Downloaded cargo-generate v0.6.1
[INFO] [stderr]   Downloaded kstring v1.0.1
[INFO] [stderr]   Downloaded liquid v0.22.0
[INFO] [stderr]   Downloaded liquid-core v0.22.0
[INFO] [stderr]   Downloaded cargo-edit v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 38e3073d36b8e8d5b96c002551542cea41092a2179281cdcc82483f68e982454
[INFO] running `Command { std: "docker" "start" "-a" "38e3073d36b8e8d5b96c002551542cea41092a2179281cdcc82483f68e982454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e3073d36b8e8d5b96c002551542cea41092a2179281cdcc82483f68e982454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e3073d36b8e8d5b96c002551542cea41092a2179281cdcc82483f68e982454", kill_on_drop: false }`
[INFO] [stdout] 38e3073d36b8e8d5b96c002551542cea41092a2179281cdcc82483f68e982454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4da1f22c60bc84530792c655c685c5b2f9bef3f1e9c4ace67ca6f251fea019d
[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" "a4da1f22c60bc84530792c655c685c5b2f9bef3f1e9c4ace67ca6f251fea019d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking jobserver v0.1.22
[INFO] [stderr]     Checking subprocess v0.2.7
[INFO] [stderr]     Checking remove_dir_all v0.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking voca_rs v1.13.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking env_proxy v0.4.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rust-ini v0.17.0
[INFO] [stderr]    Compiling cargo v0.52.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling liquid-derive v0.22.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking toml_edit v0.2.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking git2 v0.13.20
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking kstring v1.0.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking liquid-core v0.22.0
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stderr]     Checking liquid-lib v0.22.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking liquid v0.22.0
[INFO] [stderr]     Checking cargo-edit v0.7.0
[INFO] [stderr]     Checking cargo-generate v0.6.1
[INFO] [stderr]  Documenting ftw v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "a4da1f22c60bc84530792c655c685c5b2f9bef3f1e9c4ace67ca6f251fea019d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4da1f22c60bc84530792c655c685c5b2f9bef3f1e9c4ace67ca6f251fea019d", kill_on_drop: false }`
[INFO] [stdout] a4da1f22c60bc84530792c655c685c5b2f9bef3f1e9c4ace67ca6f251fea019d
