[INFO] fetching crate flexstr 0.9.2...
[INFO] documenting flexstr-0.9.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate flexstr 0.9.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate flexstr 0.9.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexstr 0.9.2
[INFO] finished tweaking crates.io crate flexstr 0.9.2
[INFO] tweaked toml for crates.io crate flexstr 0.9.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded ufmt v0.1.0
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2a25b65253d7bbdd5335687c4a8475b974a92a3f4738162fde0200b854a35e
[INFO] running `Command { std: "docker" "start" "-a" "ad2a25b65253d7bbdd5335687c4a8475b974a92a3f4738162fde0200b854a35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2a25b65253d7bbdd5335687c4a8475b974a92a3f4738162fde0200b854a35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2a25b65253d7bbdd5335687c4a8475b974a92a3f4738162fde0200b854a35e", kill_on_drop: false }`
[INFO] [stdout] ad2a25b65253d7bbdd5335687c4a8475b974a92a3f4738162fde0200b854a35e
[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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0044bf5b16a53761c15404c4ac1cfd2f9e6b1d43a6c9f12f1fa53b4522d7640
[INFO] running `Command { std: "docker" "start" "-a" "b0044bf5b16a53761c15404c4ac1cfd2f9e6b1d43a6c9f12f1fa53b4522d7640", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]  Documenting flexstr v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "b0044bf5b16a53761c15404c4ac1cfd2f9e6b1d43a6c9f12f1fa53b4522d7640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0044bf5b16a53761c15404c4ac1cfd2f9e6b1d43a6c9f12f1fa53b4522d7640", kill_on_drop: false }`
[INFO] [stdout] b0044bf5b16a53761c15404c4ac1cfd2f9e6b1d43a6c9f12f1fa53b4522d7640
[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=warn" "-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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ee15e2273bf0fc41063e510b11f02b9d9a61171bc33575a2a444a58ff7219424
[INFO] running `Command { std: "docker" "start" "-a" "ee15e2273bf0fc41063e510b11f02b9d9a61171bc33575a2a444a58ff7219424", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ufmt-macros v0.1.1
[INFO] [stderr]     Checking ufmt v0.1.0
[INFO] [stderr]  Documenting flexstr v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `Command { std: "docker" "inspect" "ee15e2273bf0fc41063e510b11f02b9d9a61171bc33575a2a444a58ff7219424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee15e2273bf0fc41063e510b11f02b9d9a61171bc33575a2a444a58ff7219424", kill_on_drop: false }`
[INFO] [stdout] ee15e2273bf0fc41063e510b11f02b9d9a61171bc33575a2a444a58ff7219424