[INFO] fetching crate cargo-diet 1.2.0...
[INFO] documenting cargo-diet-1.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-diet 1.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-diet 1.2.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-diet 1.2.0
[INFO] finished tweaking crates.io crate cargo-diet 1.2.0
[INFO] tweaked toml for crates.io crate cargo-diet 1.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-diet 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "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] 01b1a08911e340bb385413efb86730af8fb12b4f2bc07a72234a18242d302c70
[INFO] running `Command { std: "docker" "start" "-a" "01b1a08911e340bb385413efb86730af8fb12b4f2bc07a72234a18242d302c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b1a08911e340bb385413efb86730af8fb12b4f2bc07a72234a18242d302c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b1a08911e340bb385413efb86730af8fb12b4f2bc07a72234a18242d302c70", kill_on_drop: false }`
[INFO] [stdout] 01b1a08911e340bb385413efb86730af8fb12b4f2bc07a72234a18242d302c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a72781408d927243a8a707ed45a357ad899a6147d4a538f9bd3ed20ac335b6c
[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" "1a72781408d927243a8a707ed45a357ad899a6147d4a538f9bd3ed20ac335b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking byte-unit v3.1.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ascii_table v3.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking locate-cargo-manifest v0.2.0
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking criner-waste-report v0.1.4
[INFO] [stderr]  Documenting cargo-diet v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.75s
[INFO] running `Command { std: "docker" "inspect" "1a72781408d927243a8a707ed45a357ad899a6147d4a538f9bd3ed20ac335b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a72781408d927243a8a707ed45a357ad899a6147d4a538f9bd3ed20ac335b6c", kill_on_drop: false }`
[INFO] [stdout] 1a72781408d927243a8a707ed45a357ad899a6147d4a538f9bd3ed20ac335b6c