[INFO] cloning repository https://github.com/rust-lang-nursery/cargo-bisect-rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/cargo-bisect-rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fcargo-bisect-rustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fcargo-bisect-rustc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 176217af2c4d0c23c959cca6be9139f38a42f040
[INFO] documenting rust-lang-nursery/cargo-bisect-rustc against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fcargo-bisect-rustc" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/cargo-bisect-rustc on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/cargo-bisect-rustc
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/cargo-bisect-rustc
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/cargo-bisect-rustc written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/cargo-bisect-rustc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a445ce6e06cbe7f6ac16146719786d79cef0064c705ecfedcd0503dd9d9526c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a445ce6e06cbe7f6ac16146719786d79cef0064c705ecfedcd0503dd9d9526c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a445ce6e06cbe7f6ac16146719786d79cef0064c705ecfedcd0503dd9d9526c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a445ce6e06cbe7f6ac16146719786d79cef0064c705ecfedcd0503dd9d9526c3", kill_on_drop: false }`
[INFO] [stdout] a445ce6e06cbe7f6ac16146719786d79cef0064c705ecfedcd0503dd9d9526c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984dfebbaf5df8b0ed847b0d7e4bf0d87499a9b4d7bf65c45e9b2ddc2dcf777b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "984dfebbaf5df8b0ed847b0d7e4bf0d87499a9b4d7bf65c45e9b2ddc2dcf777b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling cargo-bisect-rustc v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking console v0.11.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libgit2-sys v0.12.5+1.0.0
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking git2 v0.13.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting cargo-bisect-rustc v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "984dfebbaf5df8b0ed847b0d7e4bf0d87499a9b4d7bf65c45e9b2ddc2dcf777b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984dfebbaf5df8b0ed847b0d7e4bf0d87499a9b4d7bf65c45e9b2ddc2dcf777b", kill_on_drop: false }`
[INFO] [stdout] 984dfebbaf5df8b0ed847b0d7e4bf0d87499a9b4d7bf65c45e9b2ddc2dcf777b