[INFO] fetching crate multi-logger 0.0.1...
[INFO] testing multi-logger-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate multi-logger 0.0.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate multi-logger 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1401322597fce9612e43097dcc08d0de24c8e12eaa7cafd8e58ae7eb5cfccecc
[INFO] running `Command { std: "docker" "start" "-a" "1401322597fce9612e43097dcc08d0de24c8e12eaa7cafd8e58ae7eb5cfccecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1401322597fce9612e43097dcc08d0de24c8e12eaa7cafd8e58ae7eb5cfccecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1401322597fce9612e43097dcc08d0de24c8e12eaa7cafd8e58ae7eb5cfccecc", kill_on_drop: false }`
[INFO] [stdout] 1401322597fce9612e43097dcc08d0de24c8e12eaa7cafd8e58ae7eb5cfccecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e46209618504b82104c56bea174133bcccd64d51e3e1d054992930c144fed48
[INFO] running `Command { std: "docker" "start" "-a" "4e46209618504b82104c56bea174133bcccd64d51e3e1d054992930c144fed48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling sysinfo v0.23.10
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling libgit2-sys v0.13.2+1.4.2
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling vergen v7.0.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling git2 v0.14.2
[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" "4e46209618504b82104c56bea174133bcccd64d51e3e1d054992930c144fed48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e46209618504b82104c56bea174133bcccd64d51e3e1d054992930c144fed48", kill_on_drop: false }`
[INFO] [stdout] 4e46209618504b82104c56bea174133bcccd64d51e3e1d054992930c144fed48