[INFO] cloning repository https://github.com/kaiyes/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaiyes/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acc143540471e7a2789bf17630f8e84b9992cea6
[INFO] checking kaiyes/rust_test against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test" "/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/kaiyes/rust_test on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaiyes/rust_test
[INFO] finished tweaking git repo https://github.com/kaiyes/rust_test
[INFO] tweaked toml for git repo https://github.com/kaiyes/rust_test written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kaiyes/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb4986f2d142e83774e27ca7cc8d778ba8ea43113e4d2ced75a2e959d025124f
[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" "eb4986f2d142e83774e27ca7cc8d778ba8ea43113e4d2ced75a2e959d025124f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4986f2d142e83774e27ca7cc8d778ba8ea43113e4d2ced75a2e959d025124f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4986f2d142e83774e27ca7cc8d778ba8ea43113e4d2ced75a2e959d025124f", kill_on_drop: false }`
[INFO] [stdout] eb4986f2d142e83774e27ca7cc8d778ba8ea43113e4d2ced75a2e959d025124f
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] 99aff32e5231744729cdf30416dd3c43238d4ead9ee1b0c82e142ddfb0ef4e92
[INFO] running `Command { std: "docker" "start" "-a" "99aff32e5231744729cdf30416dd3c43238d4ead9ee1b0c82e142ddfb0ef4e92", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_init v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0136]: multiple `main` functions
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / fn main() {
[INFO] [stdout] 6  | |     let number = 3;
[INFO] [stdout] 7  | |     if number < 5 {
[INFO] [stdout] 8  | |         println!("condition was true");
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0136]: multiple `main` functions
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / fn main() {
[INFO] [stdout] 6  | |     let number = 3;
[INFO] [stdout] 7  | |     if number < 5 {
[INFO] [stdout] 8  | |         println!("condition was true");
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0136, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0136`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_init`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0136, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0136`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "99aff32e5231744729cdf30416dd3c43238d4ead9ee1b0c82e142ddfb0ef4e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99aff32e5231744729cdf30416dd3c43238d4ead9ee1b0c82e142ddfb0ef4e92", kill_on_drop: false }`
[INFO] [stdout] 99aff32e5231744729cdf30416dd3c43238d4ead9ee1b0c82e142ddfb0ef4e92