[INFO] updating cached repository https://github.com/varkor/metasub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 223fb77cb9866a58013d7eb7afab2d2711224d12
[INFO] testing varkor/metasub against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarkor%2Fmetasub" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varkor/metasub on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/varkor/metasub
[INFO] finished tweaking git repo https://github.com/varkor/metasub
[INFO] tweaked toml for git repo https://github.com/varkor/metasub written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/varkor/metasub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d1595d31dd9ac4c9fd88b9cfce2fda86c09c082c682efd6b0047073445ee1a9
[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" "6d1595d31dd9ac4c9fd88b9cfce2fda86c09c082c682efd6b0047073445ee1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1595d31dd9ac4c9fd88b9cfce2fda86c09c082c682efd6b0047073445ee1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1595d31dd9ac4c9fd88b9cfce2fda86c09c082c682efd6b0047073445ee1a9", kill_on_drop: false }`
[INFO] [stdout] 6d1595d31dd9ac4c9fd88b9cfce2fda86c09c082c682efd6b0047073445ee1a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803e7260bc3ad5ab7f79a21cc9256a03c8cb730ce9c20c834dc1c2a490a8bce8
[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" "803e7260bc3ad5ab7f79a21cc9256a03c8cb730ce9c20c834dc1c2a490a8bce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling metasub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:186:30
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   &format!("dependency={}", deps),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::borrow::Cow<'_, str>`
[INFO] [stdout]              found struct `std::string::String`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:188:30
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   &format!("chrono={}/libchrono-a31d51bb8f8b101c.rlib", deps),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::borrow::Cow<'_, str>`
[INFO] [stdout]              found struct `std::string::String`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:190:30
[INFO] [stdout]     |
[INFO] [stdout] 190 | ...                   &format!("regex={}/libregex-44aa0d49f4a94993.rlib", deps),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::borrow::Cow<'_, str>`
[INFO] [stdout]              found struct `std::string::String`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metasub`.
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "803e7260bc3ad5ab7f79a21cc9256a03c8cb730ce9c20c834dc1c2a490a8bce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803e7260bc3ad5ab7f79a21cc9256a03c8cb730ce9c20c834dc1c2a490a8bce8", kill_on_drop: false }`
[INFO] [stdout] 803e7260bc3ad5ab7f79a21cc9256a03c8cb730ce9c20c834dc1c2a490a8bce8