[INFO] updating cached repository https://github.com/asmsoft/rust-match-test
[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] efcbff4315cec28946b4165b92cdc48ce58edcf9
[INFO] testing asmsoft/rust-match-test against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmsoft%2Frust-match-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmsoft/rust-match-test on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmsoft/rust-match-test
[INFO] finished tweaking git repo https://github.com/asmsoft/rust-match-test
[INFO] tweaked toml for git repo https://github.com/asmsoft/rust-match-test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/asmsoft/rust-match-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6bec8ca7f95af4102168c7cdcc8aec7e3b2ebdc3ec93feaac1028d8127bcfb9
[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" "a6bec8ca7f95af4102168c7cdcc8aec7e3b2ebdc3ec93feaac1028d8127bcfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6bec8ca7f95af4102168c7cdcc8aec7e3b2ebdc3ec93feaac1028d8127bcfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bec8ca7f95af4102168c7cdcc8aec7e3b2ebdc3ec93feaac1028d8127bcfb9", kill_on_drop: false }`
[INFO] [stdout] a6bec8ca7f95af4102168c7cdcc8aec7e3b2ebdc3ec93feaac1028d8127bcfb9
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c76bd92488051b620f04a8634ec117d49300e2c6ee7b0886a2e35798b9a900
[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" "f9c76bd92488051b620f04a8634ec117d49300e2c6ee7b0886a2e35798b9a900", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `ttt`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / const VAR1: u16 = 1;
[INFO] [stdout] 2  | | const VAR2: u16 = 2;
[INFO] [stdout] 3  | | const VAR3: u16 = 3;
[INFO] [stdout] 4  | | const VAR4: u16 = 4;
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/main.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ttt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f9c76bd92488051b620f04a8634ec117d49300e2c6ee7b0886a2e35798b9a900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c76bd92488051b620f04a8634ec117d49300e2c6ee7b0886a2e35798b9a900", kill_on_drop: false }`
[INFO] [stdout] f9c76bd92488051b620f04a8634ec117d49300e2c6ee7b0886a2e35798b9a900