[INFO] fetching crate multi-logger 0.0.1...
[INFO] checking multi-logger-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate multi-logger 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multi-logger 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7d3255d7b60e4748cc4ef8ae8d8c0bd0b0777a9efcb9ddf07ae4510e4c06f68c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7d3255d7b60e4748cc4ef8ae8d8c0bd0b0777a9efcb9ddf07ae4510e4c06f68c"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling multi-logger v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Flags`
[INFO] [stderr]  --> build.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     vergen(Flags::all());
[INFO] [stderr]   |            ^^^^^ use of undeclared type or module `Flags`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, found crate `vergen`
[INFO] [stderr]  --> build.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     vergen(Flags::all());
[INFO] [stderr]   |     ^^^^^^ not a function
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vergen::*`
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use vergen::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0423, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0423`.
[INFO] [stderr] error: could not compile `multi-logger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7d3255d7b60e4748cc4ef8ae8d8c0bd0b0777a9efcb9ddf07ae4510e4c06f68c"`
[INFO] running `"docker" "rm" "-f" "7d3255d7b60e4748cc4ef8ae8d8c0bd0b0777a9efcb9ddf07ae4510e4c06f68c"`
[INFO] [stdout] 7d3255d7b60e4748cc4ef8ae8d8c0bd0b0777a9efcb9ddf07ae4510e4c06f68c