[INFO] fetching crate evcxr_repl 0.5.3...
[INFO] documenting evcxr_repl-0.5.3 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate evcxr_repl 0.5.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate evcxr_repl 0.5.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr_repl 0.5.3
[INFO] finished tweaking crates.io crate evcxr_repl 0.5.3
[INFO] tweaked toml for crates.io crate evcxr_repl 0.5.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate evcxr_repl 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded backtrace v0.3.50
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v6.2.0
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded syn v1.0.36
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded sig v1.0.0
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded evcxr v0.5.3
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be460c7378ca6025f716ec59aa183c2880e06ad92714c0b631c7183c634e608
[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" "0be460c7378ca6025f716ec59aa183c2880e06ad92714c0b631c7183c634e608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be460c7378ca6025f716ec59aa183c2880e06ad92714c0b631c7183c634e608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be460c7378ca6025f716ec59aa183c2880e06ad92714c0b631c7183c634e608", kill_on_drop: false }`
[INFO] [stdout] 0be460c7378ca6025f716ec59aa183c2880e06ad92714c0b631c7183c634e608
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd46d674891f89a5cb0cd78c6bf24581de75c527e7bf4fb49907b799bfc1b40
[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" "edd46d674891f89a5cb0cd78c6bf24581de75c527e7bf4fb49907b799bfc1b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking evcxr v0.5.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking evcxr_repl v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting evcxr_repl v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.69s
[INFO] running `Command { std: "docker" "inspect" "edd46d674891f89a5cb0cd78c6bf24581de75c527e7bf4fb49907b799bfc1b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd46d674891f89a5cb0cd78c6bf24581de75c527e7bf4fb49907b799bfc1b40", kill_on_drop: false }`
[INFO] [stdout] edd46d674891f89a5cb0cd78c6bf24581de75c527e7bf4fb49907b799bfc1b40
