[INFO] fetching crate printf-rs 0.1.1...
[INFO] documenting printf-rs-0.1.1 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate printf-rs 0.1.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate printf-rs 0.1.1 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate printf-rs 0.1.1
[INFO] finished tweaking crates.io crate printf-rs 0.1.1
[INFO] tweaked toml for crates.io crate printf-rs 0.1.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220ac04ca96d5bfade81fd0860db44ce43f4bd7b0a3a142623b98e54f0fd0b21
[INFO] running `Command { std: "docker" "start" "-a" "220ac04ca96d5bfade81fd0860db44ce43f4bd7b0a3a142623b98e54f0fd0b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220ac04ca96d5bfade81fd0860db44ce43f4bd7b0a3a142623b98e54f0fd0b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220ac04ca96d5bfade81fd0860db44ce43f4bd7b0a3a142623b98e54f0fd0b21", kill_on_drop: false }`
[INFO] [stdout] 220ac04ca96d5bfade81fd0860db44ce43f4bd7b0a3a142623b98e54f0fd0b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c0db050adfa8657782660d88235e553072112decdd7040fce61b66afb262a66
[INFO] running `Command { std: "docker" "start" "-a" "2c0db050adfa8657782660d88235e553072112decdd7040fce61b66afb262a66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting printf-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "2c0db050adfa8657782660d88235e553072112decdd7040fce61b66afb262a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0db050adfa8657782660d88235e553072112decdd7040fce61b66afb262a66", kill_on_drop: false }`
[INFO] [stdout] 2c0db050adfa8657782660d88235e553072112decdd7040fce61b66afb262a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] aa34b2abc3f86358dd665fc6d63b33e108c3b978be8fc88b50ae4f895a3a0ae7
[INFO] running `Command { std: "docker" "start" "-a" "aa34b2abc3f86358dd665fc6d63b33e108c3b978be8fc88b50ae4f895a3a0ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting printf-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "aa34b2abc3f86358dd665fc6d63b33e108c3b978be8fc88b50ae4f895a3a0ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa34b2abc3f86358dd665fc6d63b33e108c3b978be8fc88b50ae4f895a3a0ae7", kill_on_drop: false }`
[INFO] [stdout] aa34b2abc3f86358dd665fc6d63b33e108c3b978be8fc88b50ae4f895a3a0ae7