[INFO] fetching crate mt940 0.3.2...
[INFO] documenting mt940-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mt940 0.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mt940 0.3.2 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 mt940 0.3.2
[INFO] finished tweaking crates.io crate mt940 0.3.2
[INFO] tweaked toml for crates.io crate mt940 0.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mt940 0.3.2 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 ctor v0.1.11
[INFO] [stderr]   Downloaded rust_decimal v1.0.3
[INFO] [stderr]   Downloaded deunicode v1.0.0
[INFO] [stderr]   Downloaded rstest v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 23826abc7344249be0df858c766210ab7fbbffae3f1cf1524838c32b2891652d
[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" "23826abc7344249be0df858c766210ab7fbbffae3f1cf1524838c32b2891652d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23826abc7344249be0df858c766210ab7fbbffae3f1cf1524838c32b2891652d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23826abc7344249be0df858c766210ab7fbbffae3f1cf1524838c32b2891652d", kill_on_drop: false }`
[INFO] [stdout] 23826abc7344249be0df858c766210ab7fbbffae3f1cf1524838c32b2891652d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d0ba420d5746af391313355beefb43d0677668a584f7a883576cb5744d2f24ff
[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" "d0ba420d5746af391313355beefb43d0677668a584f7a883576cb5744d2f24ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking deunicode v1.0.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rust_decimal v1.0.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling mt940 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mt940 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.18s
[INFO] running `Command { std: "docker" "inspect" "d0ba420d5746af391313355beefb43d0677668a584f7a883576cb5744d2f24ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba420d5746af391313355beefb43d0677668a584f7a883576cb5744d2f24ff", kill_on_drop: false }`
[INFO] [stdout] d0ba420d5746af391313355beefb43d0677668a584f7a883576cb5744d2f24ff