[INFO] cloning repository https://github.com/tvallotton/lemur
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tvallotton/lemur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Flemur", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Flemur'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d39d5c6a6f01c26dd1495ea1fc4069384feec1fc
[INFO] testing tvallotton/lemur against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Flemur" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tvallotton/lemur on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tvallotton/lemur
[INFO] finished tweaking git repo https://github.com/tvallotton/lemur
[INFO] tweaked toml for git repo https://github.com/tvallotton/lemur written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tvallotton/lemur already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45a5528abf32ccda6de0ca1a2fad21c36b80323dc3ee6efcf6d5cbf59543de37
[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" "45a5528abf32ccda6de0ca1a2fad21c36b80323dc3ee6efcf6d5cbf59543de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45a5528abf32ccda6de0ca1a2fad21c36b80323dc3ee6efcf6d5cbf59543de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a5528abf32ccda6de0ca1a2fad21c36b80323dc3ee6efcf6d5cbf59543de37", kill_on_drop: false }`
[INFO] [stdout] 45a5528abf32ccda6de0ca1a2fad21c36b80323dc3ee6efcf6d5cbf59543de37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0de179d94e4fbe5761b113bb9370378b4b6d9d81e2960613a56930397643e9e
[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" "b0de179d94e4fbe5761b113bb9370378b4b6d9d81e2960613a56930397643e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling str-macro v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling watchexec v1.14.0
[INFO] [stderr]    Compiling cargo-watch v7.5.0
[INFO] [stderr]    Compiling lemur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `lemur`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![allow(dead_code)]
[INFO] [stdout] 2 | | #![allow(unused_imports)]
[INFO] [stdout] 3 | |
[INFO] [stdout] 4 | |
[INFO] [stdout] ... |
[INFO] [stdout] 7 | | mod parser;
[INFO] [stdout] 8 | | mod settings;
[INFO] [stdout]   | |_____________^ the main function must be defined at the crate level (in `src/main.rs`)
[INFO] [stdout]   |
[INFO] [stdout] note: here is a function named `main`
[INFO] [stdout]  --> src/settings.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / fn main() {
[INFO] [stdout] 6 | |     let a: i32 = 2;
[INFO] [stdout] 7 | |     println!("{}", a.pow(3));
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   = note: you have one or more functions named `main` not defined at the crate level
[INFO] [stdout]   = help: consider moving the `main` function definitions
[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 `lemur`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b0de179d94e4fbe5761b113bb9370378b4b6d9d81e2960613a56930397643e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0de179d94e4fbe5761b113bb9370378b4b6d9d81e2960613a56930397643e9e", kill_on_drop: false }`
[INFO] [stdout] b0de179d94e4fbe5761b113bb9370378b4b6d9d81e2960613a56930397643e9e