[INFO] fetching crate qjs 0.1.2...
[INFO] documenting qjs-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate qjs 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qjs 0.1.2 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 qjs 0.1.2
[INFO] finished tweaking crates.io crate qjs 0.1.2
[INFO] tweaked toml for crates.io crate qjs 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate qjs 0.1.2 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 getrandom v0.1.9
[INFO] [stderr]   Downloaded foreign-types-macros v0.1.0
[INFO] [stderr]   Downloaded cfile v0.5.0
[INFO] [stderr]   Downloaded platforms v0.2.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2df2596a5817b6302f7a7a4cba431d5e07209f865aa8d67f6f0fd780f4bc773c
[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" "2df2596a5817b6302f7a7a4cba431d5e07209f865aa8d67f6f0fd780f4bc773c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df2596a5817b6302f7a7a4cba431d5e07209f865aa8d67f6f0fd780f4bc773c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df2596a5817b6302f7a7a4cba431d5e07209f865aa8d67f6f0fd780f4bc773c", kill_on_drop: false }`
[INFO] [stdout] 2df2596a5817b6302f7a7a4cba431d5e07209f865aa8d67f6f0fd780f4bc773c
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e39c86580314d549feb93e334b585349adbf6539cbdf9f1000df2c8d670d7da
[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" "5e39c86580314d549feb93e334b585349adbf6539cbdf9f1000df2c8d670d7da", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking foreign-types-shared v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling foreign-types-macros v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling rust-lzma v0.4.0
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]     Checking foreign-types v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling stderrlog v0.4.1
[INFO] [stderr]    Compiling qjs-sys v0.1.2
[INFO] [stderr]    Compiling qjs-derive-support v0.1.1
[INFO] [stderr]    Compiling cstr-macros v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]     Checking cstr v0.1.7
[INFO] [stderr]    Compiling qjs-derive v0.1.1
[INFO] [stderr]  Documenting qjs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "5e39c86580314d549feb93e334b585349adbf6539cbdf9f1000df2c8d670d7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e39c86580314d549feb93e334b585349adbf6539cbdf9f1000df2c8d670d7da", kill_on_drop: false }`
[INFO] [stdout] 5e39c86580314d549feb93e334b585349adbf6539cbdf9f1000df2c8d670d7da