[INFO] fetching crate obnam-benchmark 0.1.0...
[INFO] documenting obnam-benchmark-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate obnam-benchmark 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate obnam-benchmark 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate obnam-benchmark 0.1.0
[INFO] finished tweaking crates.io crate obnam-benchmark 0.1.0
[INFO] tweaked toml for crates.io crate obnam-benchmark 0.1.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate obnam-benchmark 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subplotlib-derive v0.1.0
[INFO] [stderr]   Downloaded roadmap v0.2.0
[INFO] [stderr]   Downloaded tempfile-fast v0.3.4
[INFO] [stderr]   Downloaded pandoc v0.8.8
[INFO] [stderr]   Downloaded git-testament v0.2.1
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded file_diff v1.0.0
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded tracing-appender v0.1.2
[INFO] [stderr]   Downloaded pikchr v0.1.1
[INFO] [stderr]   Downloaded serde-aux v2.3.0
[INFO] [stderr]   Downloaded remove_dir_all v0.7.0
[INFO] [stderr]   Downloaded git-testament-derive v0.1.13
[INFO] [stderr]   Downloaded chrono-tz v0.6.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.3
[INFO] [stderr]   Downloaded pandoc_ast v0.7.3
[INFO] [stderr]   Downloaded subplot v0.3.1
[INFO] [stderr]   Downloaded subplotlib v0.1.1
[INFO] [stderr]   Downloaded state v0.5.2
[INFO] [stderr]   Downloaded subplot-build v0.1.0
[INFO] [stderr]   Downloaded loom v0.5.4
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c716ae14da72628e3e56fe6126be01fe5d83a4be8b0cccea8224b6986381c37
[INFO] running `Command { std: "docker" "start" "-a" "9c716ae14da72628e3e56fe6126be01fe5d83a4be8b0cccea8224b6986381c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c716ae14da72628e3e56fe6126be01fe5d83a4be8b0cccea8224b6986381c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c716ae14da72628e3e56fe6126be01fe5d83a4be8b0cccea8224b6986381c37", kill_on_drop: false }`
[INFO] [stdout] 9c716ae14da72628e3e56fe6126be01fe5d83a4be8b0cccea8224b6986381c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95b0959083e9460918c391696becf5914c11bff5704bc302a86f9a4383d4c384
[INFO] running `Command { std: "docker" "start" "-a" "95b0959083e9460918c391696becf5914c11bff5704bc302a86f9a4383d4c384", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking procfs v0.12.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling git-testament-derive v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking git-testament v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]  Documenting obnam-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "95b0959083e9460918c391696becf5914c11bff5704bc302a86f9a4383d4c384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b0959083e9460918c391696becf5914c11bff5704bc302a86f9a4383d4c384", kill_on_drop: false }`
[INFO] [stdout] 95b0959083e9460918c391696becf5914c11bff5704bc302a86f9a4383d4c384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3556e924b76d4ed522dae328d8514b82aafab89c159d9e59db2dde5c4f3d224e
[INFO] running `Command { std: "docker" "start" "-a" "3556e924b76d4ed522dae328d8514b82aafab89c159d9e59db2dde5c4f3d224e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking procfs v0.12.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling git-testament-derive v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking git-testament v0.2.1
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]  Documenting obnam-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "3556e924b76d4ed522dae328d8514b82aafab89c159d9e59db2dde5c4f3d224e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3556e924b76d4ed522dae328d8514b82aafab89c159d9e59db2dde5c4f3d224e", kill_on_drop: false }`
[INFO] [stdout] 3556e924b76d4ed522dae328d8514b82aafab89c159d9e59db2dde5c4f3d224e