[INFO] cloning repository https://github.com/Yashasvi-Sriram/legos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yashasvi-Sriram/legos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashasvi-Sriram%2Flegos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashasvi-Sriram%2Flegos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f4635b047576ed2336babc5a5040b26080ac7d
[INFO] checking Yashasvi-Sriram/legos against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashasvi-Sriram%2Flegos" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yashasvi-Sriram/legos on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yashasvi-Sriram/legos
[INFO] finished tweaking git repo https://github.com/Yashasvi-Sriram/legos
[INFO] tweaked toml for git repo https://github.com/Yashasvi-Sriram/legos written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Yashasvi-Sriram/legos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gnuplot v0.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d0e6ceffbc538e52d65e92e0ca7c8b071a6e5ee843953895e9f2501d3ed35a7
[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" "3d0e6ceffbc538e52d65e92e0ca7c8b071a6e5ee843953895e9f2501d3ed35a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d0e6ceffbc538e52d65e92e0ca7c8b071a6e5ee843953895e9f2501d3ed35a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0e6ceffbc538e52d65e92e0ca7c8b071a6e5ee843953895e9f2501d3ed35a7", kill_on_drop: false }`
[INFO] [stdout] 3d0e6ceffbc538e52d65e92e0ca7c8b071a6e5ee843953895e9f2501d3ed35a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3e02b4bbab21a1be7d26980dc35e19b94ef5e20416b1cc31fa6a7f33942511
[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" "4d3e02b4bbab21a1be7d26980dc35e19b94ef5e20416b1cc31fa6a7f33942511", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking legos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stdout] warning: unused import: `Input`
[INFO] [stdout]  --> src/bin/knapsack_01/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use data::{Input, KnapsackItem};
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `merge_intervals`
[INFO] [stdout]   --> src/bin/merge_intervals.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! <https://leetcode.com/problems/merge-intervals/>
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | struct Solution;
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |     }
[INFO] [stdout] 98 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/bin/merge_intervals.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `knapsack_01`
[INFO] [stdout]    --> src/bin/knapsack_01/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / //! <https://rosettacode.org/wiki/Knapsack_problem/0-1>
[INFO] [stdout] 2   | | //! - Although this crate is for 0/1 knapsack problem, it can be used for a 0/n_i knapsack problem.
[INFO] [stdout] 3   | | //! - Because 0/n_i knapsack problem can be converted to 0/1 knapsack problem by just flattening the inventory.
[INFO] [stdout] 4   | | //! - Since we use a Vec (instead of a Set) to store the inventory, the same code works.
[INFO] [stdout] ...   |
[INFO] [stdout] 147 | |     }
[INFO] [stdout] 148 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/bin/knapsack_01/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 `legos`
[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[E0601]: `main` function not found in crate `sort`
[INFO] [stdout]  --> src/bin/sort/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / //! Given a list of integers, sort them in ascending order.
[INFO] [stdout] 2 | |
[INFO] [stdout] 3 | | mod merge_sort;
[INFO] [stdout]   | |_______________^ consider adding a `main` function to `src/bin/sort/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "4d3e02b4bbab21a1be7d26980dc35e19b94ef5e20416b1cc31fa6a7f33942511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3e02b4bbab21a1be7d26980dc35e19b94ef5e20416b1cc31fa6a7f33942511", kill_on_drop: false }`
[INFO] [stdout] 4d3e02b4bbab21a1be7d26980dc35e19b94ef5e20416b1cc31fa6a7f33942511