[INFO] cloning repository https://github.com/jaredly/unison.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaredly/unison.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 961e43eab00951bfed7c7bdfb0b18a5e941b60aa
[INFO] documenting jaredly/unison.rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaredly/unison.rs 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 git repo https://github.com/jaredly/unison.rs
[INFO] finished tweaking git repo https://github.com/jaredly/unison.rs
[INFO] tweaked toml for git repo https://github.com/jaredly/unison.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jaredly/unison.rs 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] c9f5a7dd31ad7e508e5d52625ee4d02596319c769fde3cf6e87c0fcaccdaf362
[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" "c9f5a7dd31ad7e508e5d52625ee4d02596319c769fde3cf6e87c0fcaccdaf362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f5a7dd31ad7e508e5d52625ee4d02596319c769fde3cf6e87c0fcaccdaf362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f5a7dd31ad7e508e5d52625ee4d02596319c769fde3cf6e87c0fcaccdaf362", kill_on_drop: false }`
[INFO] [stdout] c9f5a7dd31ad7e508e5d52625ee4d02596319c769fde3cf6e87c0fcaccdaf362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 387ac1229015f30c323cd2f07b266ec2f2f9873ff3d2a0969732c1fe80225acf
[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" "387ac1229015f30c323cd2f07b266ec2f2f9873ff3d2a0969732c1fe80225acf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]    Compiling pprof v0.3.18
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling symbolic-demangle v7.5.0
[INFO] [stderr]     Checking msvc-demangler v0.8.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rgb v0.8.24
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking inferno v0.10.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking symbolic-common v7.5.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]  Documenting uruson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.64s
[INFO] running `Command { std: "docker" "inspect" "387ac1229015f30c323cd2f07b266ec2f2f9873ff3d2a0969732c1fe80225acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387ac1229015f30c323cd2f07b266ec2f2f9873ff3d2a0969732c1fe80225acf", kill_on_drop: false }`
[INFO] [stdout] 387ac1229015f30c323cd2f07b266ec2f2f9873ff3d2a0969732c1fe80225acf