[INFO] fetching crate fw 2.6.0...
[INFO] documenting fw-2.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fw 2.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fw 2.6.0 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 fw 2.6.0
[INFO] finished tweaking crates.io crate fw 2.6.0
[INFO] tweaked toml for crates.io crate fw 2.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fw 2.6.0 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 slog-stdlog v4.0.0
[INFO] [stderr]   Downloaded trackable v1.0.0
[INFO] [stderr]   Downloaded sloggers v1.0.1
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded gitlab v0.1301.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 30e7080bbe0eb08813f4c29c5fcea1f01b4ece88a745e6b9abd1d54d08cf997f
[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" "30e7080bbe0eb08813f4c29c5fcea1f01b4ece88a745e6b9abd1d54d08cf997f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e7080bbe0eb08813f4c29c5fcea1f01b4ece88a745e6b9abd1d54d08cf997f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e7080bbe0eb08813f4c29c5fcea1f01b4ece88a745e6b9abd1d54d08cf997f", kill_on_drop: false }`
[INFO] [stdout] 30e7080bbe0eb08813f4c29c5fcea1f01b4ece88a745e6b9abd1d54d08cf997f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9f3829a1c9a541f551e0b8e784dd6195b71e2905670b410c916002d174b7277d
[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" "9f3829a1c9a541f551e0b8e784dd6195b71e2905670b410c916002d174b7277d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking encoding_rs v0.8.23
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking libflate v1.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking console v0.11.3
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[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
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[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
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[INFO] [stderr]     Checking crossbeam-deque v0.7.3
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[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.41
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking trackable v1.0.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking sloggers v1.0.1
[INFO] [stderr]    Compiling graphql_client_codegen v0.8.0
[INFO] [stderr]    Compiling graphql_query_derive v0.8.0
[INFO] [stderr]     Checking graphql_client v0.8.0
[INFO] [stderr]     Checking gitlab v0.1301.0
[INFO] [stderr]  Documenting fw v2.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "9f3829a1c9a541f551e0b8e784dd6195b71e2905670b410c916002d174b7277d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3829a1c9a541f551e0b8e784dd6195b71e2905670b410c916002d174b7277d", kill_on_drop: false }`
[INFO] [stdout] 9f3829a1c9a541f551e0b8e784dd6195b71e2905670b410c916002d174b7277d