[INFO] cloning repository https://github.com/maraisr/mar.fyi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maraisr/mar.fyi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaraisr%2Fmar.fyi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaraisr%2Fmar.fyi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0efbd34747bcb81ec117a29d20a1bf074935596
[INFO] testing maraisr/mar.fyi against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaraisr%2Fmar.fyi" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maraisr/mar.fyi on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maraisr/mar.fyi
[INFO] finished tweaking git repo https://github.com/maraisr/mar.fyi
[INFO] tweaked toml for git repo https://github.com/maraisr/mar.fyi written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/maraisr/mar.fyi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] c96e1dd8848e85f30c0473b6e0d66bac6de36b52f93eaf24bd0d1bb04b3af6bf
[INFO] running `Command { std: "docker" "start" "-a" "c96e1dd8848e85f30c0473b6e0d66bac6de36b52f93eaf24bd0d1bb04b3af6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96e1dd8848e85f30c0473b6e0d66bac6de36b52f93eaf24bd0d1bb04b3af6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96e1dd8848e85f30c0473b6e0d66bac6de36b52f93eaf24bd0d1bb04b3af6bf", kill_on_drop: false }`
[INFO] [stdout] c96e1dd8848e85f30c0473b6e0d66bac6de36b52f93eaf24bd0d1bb04b3af6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", 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] 6d5e8a21a794b30541974b014f43774ddab5928c756e582bf0566d75f8707732
[INFO] running `Command { std: "docker" "start" "-a" "6d5e8a21a794b30541974b014f43774ddab5928c756e582bf0566d75f8707732", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling mar-fyi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `app`
[INFO] [stdout]    --> index.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / extern crate http;
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | use std::collections::HashMap;
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |     }
[INFO] [stdout] 106 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `index.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 `mar-fyi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6d5e8a21a794b30541974b014f43774ddab5928c756e582bf0566d75f8707732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5e8a21a794b30541974b014f43774ddab5928c756e582bf0566d75f8707732", kill_on_drop: false }`
[INFO] [stdout] 6d5e8a21a794b30541974b014f43774ddab5928c756e582bf0566d75f8707732