[INFO] fetching crate multi-logger 0.0.1...
[INFO] testing multi-logger-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate multi-logger 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate multi-logger 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e499a2bc5b890b12547ed492e8a9419dfeaa1c4098527626776b23da3382ba5
[INFO] running `Command { std: "docker" "start" "-a" "9e499a2bc5b890b12547ed492e8a9419dfeaa1c4098527626776b23da3382ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e499a2bc5b890b12547ed492e8a9419dfeaa1c4098527626776b23da3382ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e499a2bc5b890b12547ed492e8a9419dfeaa1c4098527626776b23da3382ba5", kill_on_drop: false }`
[INFO] [stdout] 9e499a2bc5b890b12547ed492e8a9419dfeaa1c4098527626776b23da3382ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57611ea27d2027801f967337e9888bea10c3ca0fa9ad44d08ea4985a81f98cbd
[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" "57611ea27d2027801f967337e9888bea10c3ca0fa9ad44d08ea4985a81f98cbd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]    Compiling time v0.3.0
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling vergen v5.1.15
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "57611ea27d2027801f967337e9888bea10c3ca0fa9ad44d08ea4985a81f98cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57611ea27d2027801f967337e9888bea10c3ca0fa9ad44d08ea4985a81f98cbd", kill_on_drop: false }`
[INFO] [stdout] 57611ea27d2027801f967337e9888bea10c3ca0fa9ad44d08ea4985a81f98cbd
