[INFO] fetching crate dotenvsubst 0.1.4...
[INFO] documenting dotenvsubst-0.1.4 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate dotenvsubst 0.1.4 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate dotenvsubst 0.1.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotenvsubst 0.1.4
[INFO] finished tweaking crates.io crate dotenvsubst 0.1.4
[INFO] tweaked toml for crates.io crate dotenvsubst 0.1.4 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate dotenvsubst 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c6894b84892f729d0a0680038ebe84c70a3ecee463176cd69e31975a3e7e848
[INFO] running `Command { std: "docker" "start" "-a" "2c6894b84892f729d0a0680038ebe84c70a3ecee463176cd69e31975a3e7e848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6894b84892f729d0a0680038ebe84c70a3ecee463176cd69e31975a3e7e848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6894b84892f729d0a0680038ebe84c70a3ecee463176cd69e31975a3e7e848", kill_on_drop: false }`
[INFO] [stdout] 2c6894b84892f729d0a0680038ebe84c70a3ecee463176cd69e31975a3e7e848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcebc86c26284639b201c8c7bce5f483476db263aea92c67c31412879dafcbe8
[INFO] running `Command { std: "docker" "start" "-a" "dcebc86c26284639b201c8c7bce5f483476db263aea92c67c31412879dafcbe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting dotenvsubst v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.14s
[INFO] running `Command { std: "docker" "inspect" "dcebc86c26284639b201c8c7bce5f483476db263aea92c67c31412879dafcbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcebc86c26284639b201c8c7bce5f483476db263aea92c67c31412879dafcbe8", kill_on_drop: false }`
[INFO] [stdout] dcebc86c26284639b201c8c7bce5f483476db263aea92c67c31412879dafcbe8
