[INFO] cloning repository https://github.com/susliko/ext2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/susliko/ext2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsusliko%2Fext2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsusliko%2Fext2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e842a4aee7c8cf896cd6a6a25a457020737c260c
[INFO] documenting susliko/ext2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsusliko%2Fext2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/susliko/ext2 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 git repo https://github.com/susliko/ext2
[INFO] finished tweaking git repo https://github.com/susliko/ext2
[INFO] tweaked toml for git repo https://github.com/susliko/ext2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/susliko/ext2 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bd4accb4acaa9c0e3042a9fea74163a6ae7463bac5f066d1b7aacbad5dff36c4
[INFO] running `Command { std: "docker" "start" "-a" "bd4accb4acaa9c0e3042a9fea74163a6ae7463bac5f066d1b7aacbad5dff36c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4accb4acaa9c0e3042a9fea74163a6ae7463bac5f066d1b7aacbad5dff36c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4accb4acaa9c0e3042a9fea74163a6ae7463bac5f066d1b7aacbad5dff36c4", kill_on_drop: false }`
[INFO] [stdout] bd4accb4acaa9c0e3042a9fea74163a6ae7463bac5f066d1b7aacbad5dff36c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c24ae110bb4a994ae7ab900942f6fc56707c6dfe0fa9ebe512cf3e5dff51d564
[INFO] running `Command { std: "docker" "start" "-a" "c24ae110bb4a994ae7ab900942f6fc56707c6dfe0fa9ebe512cf3e5dff51d564", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]  Documenting ext2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ext2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "c24ae110bb4a994ae7ab900942f6fc56707c6dfe0fa9ebe512cf3e5dff51d564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24ae110bb4a994ae7ab900942f6fc56707c6dfe0fa9ebe512cf3e5dff51d564", kill_on_drop: false }`
[INFO] [stdout] c24ae110bb4a994ae7ab900942f6fc56707c6dfe0fa9ebe512cf3e5dff51d564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6e4329bf366eab15f56663b847ec256677206abc894b6b848219cd6f6a2c9c0f
[INFO] running `Command { std: "docker" "start" "-a" "6e4329bf366eab15f56663b847ec256677206abc894b6b848219cd6f6a2c9c0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]  Documenting ext2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.32s
[INFO] running `Command { std: "docker" "inspect" "6e4329bf366eab15f56663b847ec256677206abc894b6b848219cd6f6a2c9c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4329bf366eab15f56663b847ec256677206abc894b6b848219cd6f6a2c9c0f", kill_on_drop: false }`
[INFO] [stdout] 6e4329bf366eab15f56663b847ec256677206abc894b6b848219cd6f6a2c9c0f