[INFO] cloning repository https://github.com/kolloch/reproduce_carnix_21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolloch/reproduce_carnix_21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Freproduce_carnix_21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Freproduce_carnix_21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cc8b4bf680da7978bee2c391573a342413f8a66
[INFO] documenting kolloch/reproduce_carnix_21 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Freproduce_carnix_21" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolloch/reproduce_carnix_21 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 git repo https://github.com/kolloch/reproduce_carnix_21
[INFO] finished tweaking git repo https://github.com/kolloch/reproduce_carnix_21
[INFO] tweaked toml for git repo https://github.com/kolloch/reproduce_carnix_21 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kolloch/reproduce_carnix_21 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 25767fd41328dde70e639798246de2b3a0f69a935c3d8a27846e00c289351445
[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" "25767fd41328dde70e639798246de2b3a0f69a935c3d8a27846e00c289351445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25767fd41328dde70e639798246de2b3a0f69a935c3d8a27846e00c289351445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25767fd41328dde70e639798246de2b3a0f69a935c3d8a27846e00c289351445", kill_on_drop: false }`
[INFO] [stdout] 25767fd41328dde70e639798246de2b3a0f69a935c3d8a27846e00c289351445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3251ced2b0d621c50a572e84d4a22d8b92ece99a053a30b5263b298d262ee855
[INFO] running `Command { std: "docker" "start" "-a" "3251ced2b0d621c50a572e84d4a22d8b92ece99a053a30b5263b298d262ee855", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]  Documenting reproduce_carnix_21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.83s
[INFO] running `Command { std: "docker" "inspect" "3251ced2b0d621c50a572e84d4a22d8b92ece99a053a30b5263b298d262ee855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3251ced2b0d621c50a572e84d4a22d8b92ece99a053a30b5263b298d262ee855", kill_on_drop: false }`
[INFO] [stdout] 3251ced2b0d621c50a572e84d4a22d8b92ece99a053a30b5263b298d262ee855