[INFO] fetching crate espadrille 0.1.0...
[INFO] documenting espadrille-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate espadrille 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate espadrille 0.1.0 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 espadrille 0.1.0
[INFO] finished tweaking crates.io crate espadrille 0.1.0
[INFO] tweaked toml for crates.io crate espadrille 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate espadrille 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[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] 32f1780d3c322d679a60a03c245020be8f40881cff2a90f64bbec60f148820ed
[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" "32f1780d3c322d679a60a03c245020be8f40881cff2a90f64bbec60f148820ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f1780d3c322d679a60a03c245020be8f40881cff2a90f64bbec60f148820ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f1780d3c322d679a60a03c245020be8f40881cff2a90f64bbec60f148820ed", kill_on_drop: false }`
[INFO] [stdout] 32f1780d3c322d679a60a03c245020be8f40881cff2a90f64bbec60f148820ed
[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] [stdout] a4c9f64b5e23e6af4bec8d0ea5dfed1d7a41fe4cabff99e2280e1f81c85b1bd7
[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" "a4c9f64b5e23e6af4bec8d0ea5dfed1d7a41fe4cabff99e2280e1f81c85b1bd7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]  Documenting espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "a4c9f64b5e23e6af4bec8d0ea5dfed1d7a41fe4cabff99e2280e1f81c85b1bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c9f64b5e23e6af4bec8d0ea5dfed1d7a41fe4cabff99e2280e1f81c85b1bd7", kill_on_drop: false }`
[INFO] [stdout] a4c9f64b5e23e6af4bec8d0ea5dfed1d7a41fe4cabff99e2280e1f81c85b1bd7