[INFO] fetching crate grep 0.2.8...
[INFO] documenting grep-0.2.8 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate grep 0.2.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grep 0.2.8 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 grep 0.2.8
[INFO] finished tweaking crates.io crate grep 0.2.8
[INFO] tweaked toml for crates.io crate grep 0.2.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate grep 0.2.8 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6b29fd0ac782ca753365369f43a2e18069a47dd48b9b9924d70927e3a6b9b79
[INFO] running `Command { std: "docker" "start" "-a" "c6b29fd0ac782ca753365369f43a2e18069a47dd48b9b9924d70927e3a6b9b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b29fd0ac782ca753365369f43a2e18069a47dd48b9b9924d70927e3a6b9b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b29fd0ac782ca753365369f43a2e18069a47dd48b9b9924d70927e3a6b9b79", kill_on_drop: false }`
[INFO] [stdout] c6b29fd0ac782ca753365369f43a2e18069a47dd48b9b9924d70927e3a6b9b79
[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] 415a861a83ab8e4f51e36356b66ef24713f04281e1c360e92cb035d171a172ea
[INFO] running `Command { std: "docker" "start" "-a" "415a861a83ab8e4f51e36356b66ef24713f04281e1c360e92cb035d171a172ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking globset v0.4.7
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]     Checking grep-regex v0.1.9
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking grep-printer v0.1.6
[INFO] [stderr]  Documenting grep v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.44s
[INFO] running `Command { std: "docker" "inspect" "415a861a83ab8e4f51e36356b66ef24713f04281e1c360e92cb035d171a172ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415a861a83ab8e4f51e36356b66ef24713f04281e1c360e92cb035d171a172ea", kill_on_drop: false }`
[INFO] [stdout] 415a861a83ab8e4f51e36356b66ef24713f04281e1c360e92cb035d171a172ea
