[INFO] fetching crate multi-logger 0.0.1...
[INFO] documenting multi-logger-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate multi-logger 0.0.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate multi-logger 0.0.1 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 multi-logger 0.0.1
[INFO] finished tweaking crates.io crate multi-logger 0.0.1
[INFO] tweaked toml for crates.io crate multi-logger 0.0.1 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] [stderr]   Downloaded time v0.3.1
[INFO] [stderr]   Downloaded sysinfo v0.19.2
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded vergen v5.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] ebcd8cf95bf102dd666f383799fc59fe389a736c90c69dfbb172c0338048a4a2
[INFO] running `Command { std: "docker" "start" "-a" "ebcd8cf95bf102dd666f383799fc59fe389a736c90c69dfbb172c0338048a4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebcd8cf95bf102dd666f383799fc59fe389a736c90c69dfbb172c0338048a4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcd8cf95bf102dd666f383799fc59fe389a736c90c69dfbb172c0338048a4a2", kill_on_drop: false }`
[INFO] [stdout] ebcd8cf95bf102dd666f383799fc59fe389a736c90c69dfbb172c0338048a4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 6768bc3d3cf99e6f1fdd62c8a6166ed75f3d06de77de0ad17551d286f8d7dd8b
[INFO] running `Command { std: "docker" "start" "-a" "6768bc3d3cf99e6f1fdd62c8a6166ed75f3d06de77de0ad17551d286f8d7dd8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking time v0.3.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling vergen v5.1.15
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling git2 v0.13.20
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling multi-logger v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Flags`
[INFO] [stdout]  --> build.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     vergen(Flags::all());
[INFO] [stdout]   |            ^^^^^ use of undeclared type `Flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multi-logger` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6768bc3d3cf99e6f1fdd62c8a6166ed75f3d06de77de0ad17551d286f8d7dd8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6768bc3d3cf99e6f1fdd62c8a6166ed75f3d06de77de0ad17551d286f8d7dd8b", kill_on_drop: false }`
[INFO] [stdout] 6768bc3d3cf99e6f1fdd62c8a6166ed75f3d06de77de0ad17551d286f8d7dd8b
