[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] testing SachinMaharana/sandbox-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SachinMaharana/sandbox-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-14/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded reqwest v0.10.4
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded curl v0.4.28
[INFO] [stderr]   Downloaded security-framework-sys v0.4.2
[INFO] [stderr]   Downloaded isahc v0.8.2
[INFO] [stderr]   Downloaded tracing-futures v0.2.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.10
[INFO] [stderr]   Downloaded openssl-sys v0.9.55
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded security-framework v0.4.2
[INFO] [stderr]   Downloaded hyper-tls v0.4.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded tokio v0.2.17
[INFO] [stderr]   Downloaded femme v1.3.0
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.3
[INFO] [stderr]   Downloaded sparkpost v0.5.3
[INFO] [stderr]   Downloaded curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]   Downloaded attohttpc v0.12.0
[INFO] [stderr]   Downloaded async-log v1.1.0
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.0
[INFO] [stderr]   Downloaded http-client v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] d328eeb9cc733c387d1ac937069d5af67621ae5fd29ed2ecebb8f93723941e30
[INFO] running `Command { std: "docker" "start" "-a" "d328eeb9cc733c387d1ac937069d5af67621ae5fd29ed2ecebb8f93723941e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d328eeb9cc733c387d1ac937069d5af67621ae5fd29ed2ecebb8f93723941e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d328eeb9cc733c387d1ac937069d5af67621ae5fd29ed2ecebb8f93723941e30", kill_on_drop: false }`
[INFO] [stdout] d328eeb9cc733c387d1ac937069d5af67621ae5fd29ed2ecebb8f93723941e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 129a6fff692cce042fe173d1a09568dbd27f3dacdb1d24d8414708e4119746dd
[INFO] running `Command { std: "docker" "start" "-a" "129a6fff692cce042fe173d1a09568dbd27f3dacdb1d24d8414708e4119746dd", kill_on_drop: false }`
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[INFO] [stderr]    Compiling socket2 v0.3.12
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[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling attohttpc v0.12.0
[INFO] [stderr]    Compiling async-log v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling tokio v0.2.17
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling sluice v0.5.2
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling http-client v1.1.1
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling telegram-bot-raw v0.7.0
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling femme v1.3.0
[INFO] [stderr]    Compiling surf v2.0.0-alpha.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling sparkpost v0.5.3
[INFO] [stderr]    Compiling telegram-bot v0.7.0
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/gen.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     x: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/gen.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/gen.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     y: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/gen.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/gen.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     x: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SPoint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/gen.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/gen.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     y: U,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SPoint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/gen.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/begin1.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let y = arr.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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] 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` due to 2 previous errors
[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: 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: 4 warnings emitted
[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" "129a6fff692cce042fe173d1a09568dbd27f3dacdb1d24d8414708e4119746dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129a6fff692cce042fe173d1a09568dbd27f3dacdb1d24d8414708e4119746dd", kill_on_drop: false }`
[INFO] [stdout] 129a6fff692cce042fe173d1a09568dbd27f3dacdb1d24d8414708e4119746dd