[INFO] fetching crate character-snippets 1.0.1...
[INFO] documenting character-snippets-1.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate character-snippets 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate character-snippets 1.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate character-snippets 1.0.1
[INFO] finished tweaking crates.io crate character-snippets 1.0.1
[INFO] tweaked toml for crates.io crate character-snippets 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate character-snippets 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 265d93bcfb5dccb29661c1a23a5a1a5ba4b7053ab1d9eaed38d6a98a9e462920
[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" "265d93bcfb5dccb29661c1a23a5a1a5ba4b7053ab1d9eaed38d6a98a9e462920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "265d93bcfb5dccb29661c1a23a5a1a5ba4b7053ab1d9eaed38d6a98a9e462920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265d93bcfb5dccb29661c1a23a5a1a5ba4b7053ab1d9eaed38d6a98a9e462920", kill_on_drop: false }`
[INFO] [stdout] 265d93bcfb5dccb29661c1a23a5a1a5ba4b7053ab1d9eaed38d6a98a9e462920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] fea2c0d0baa3967a331366805a4bcff9b37920a059d253973b9e9b0805070451
[INFO] running `Command { std: "docker" "start" "-a" "fea2c0d0baa3967a331366805a4bcff9b37920a059d253973b9e9b0805070451", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]  Documenting character-snippets v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.61s
[INFO] running `Command { std: "docker" "inspect" "fea2c0d0baa3967a331366805a4bcff9b37920a059d253973b9e9b0805070451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea2c0d0baa3967a331366805a4bcff9b37920a059d253973b9e9b0805070451", kill_on_drop: false }`
[INFO] [stdout] fea2c0d0baa3967a331366805a4bcff9b37920a059d253973b9e9b0805070451
