[INFO] cloning repository https://github.com/SachinMaharana/sandbox-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SachinMaharana/sandbox-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b60a5f9dcaac956dead6f7fb54a430bd0e98c2a4
[INFO] checking SachinMaharana/sandbox-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SachinMaharana/sandbox-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SachinMaharana/sandbox-rust
[INFO] finished tweaking git repo https://github.com/SachinMaharana/sandbox-rust
[INFO] tweaked toml for git repo https://github.com/SachinMaharana/sandbox-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SachinMaharana/sandbox-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 3aaf1ff4e545876a415f23859069c67947c80ddd79ef59056fdc4149f5d64a97
[INFO] running `Command { std: "docker" "start" "-a" "3aaf1ff4e545876a415f23859069c67947c80ddd79ef59056fdc4149f5d64a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aaf1ff4e545876a415f23859069c67947c80ddd79ef59056fdc4149f5d64a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aaf1ff4e545876a415f23859069c67947c80ddd79ef59056fdc4149f5d64a97", kill_on_drop: false }`
[INFO] [stdout] 3aaf1ff4e545876a415f23859069c67947c80ddd79ef59056fdc4149f5d64a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b103a837ac2cd22260b76e9bb83905143558ae6b4607658c9d66a9cdefb1518
[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" "3b103a837ac2cd22260b76e9bb83905143558ae6b4607658c9d66a9cdefb1518", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling async-log-attributes v1.0.1
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[INFO] [stderr]     Checking async-log v1.1.0
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[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
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[INFO] [stderr]     Checking serde v1.0.106
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[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking chrono v0.4.11
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[INFO] [stderr]     Checking telegram-bot-raw v0.7.0
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[INFO] [stderr]     Checking surf v2.0.0-alpha.0
[INFO] [stderr]     Checking reqwest v0.10.4
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[INFO] [stderr]     Checking sparkpost v0.5.3
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[INFO] [stderr]     Checking sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `test`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/bin/test.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 `sandbox`
[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] warning: unused import: `self`
[INFO] [stdout]   --> src/bin/pr-error.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{self, BufRead};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `GenError`
[INFO] [stdout]   --> src/bin/pr-error.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | type GenError = Box<dyn std::error::Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `GenResult`
[INFO] [stdout]   --> src/bin/pr-error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | type GenResult<T> = Result<T, GenError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_numbers`
[INFO] [stdout]   --> src/bin/pr-error.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_numbers(file: &mut dyn BufRead) -> GenResult<Vec<i64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::join_all`
[INFO] [stdout]  --> src/bin/asyn2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::join_all;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/asyn2.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         t.await;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3b103a837ac2cd22260b76e9bb83905143558ae6b4607658c9d66a9cdefb1518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b103a837ac2cd22260b76e9bb83905143558ae6b4607658c9d66a9cdefb1518", kill_on_drop: false }`
[INFO] [stdout] 3b103a837ac2cd22260b76e9bb83905143558ae6b4607658c9d66a9cdefb1518