[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SachinMaharana/sandbox-rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab049b97eea0b8741d24da437223ed26b4777190848f729edcef708d179d7e2b
[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" "ab049b97eea0b8741d24da437223ed26b4777190848f729edcef708d179d7e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab049b97eea0b8741d24da437223ed26b4777190848f729edcef708d179d7e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab049b97eea0b8741d24da437223ed26b4777190848f729edcef708d179d7e2b", kill_on_drop: false }`
[INFO] [stdout] ab049b97eea0b8741d24da437223ed26b4777190848f729edcef708d179d7e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7c0ead1e159cd7fa4b6565e106aadddf23f3bdeee8190415c97e8da610ab9e
[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" "9e7c0ead1e159cd7fa4b6565e106aadddf23f3bdeee8190415c97e8da610ab9e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.106
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[INFO] [stderr]    Compiling http-client v1.1.1
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[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 femme v1.3.0
[INFO] [stderr]    Compiling surf v2.0.0-alpha.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling hyper-tls v0.4.1
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[INFO] [stderr]    Compiling telegram-bot v0.7.0
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/from.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x: String = String::from("Hello");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let b = Box::new(5);
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/bin/docs1.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #![warn(box_pointers)]
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: &Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("b={}", b);
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("b={}", b);
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:59
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]   --> src/bin/docs1.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let z = Box::new(x);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]   --> src/bin/docs1.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(5, *z);
[INFO] [stdout]    |                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandbox`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name asyn --edition=2018 src/bin/asyn.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4856d0b485c04a28 -C extra-filename=-4856d0b485c04a28 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-55dd0cd9ca7af490.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-3f236db9ed6348fb.rlib --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-84150ae533a7c067.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-7d27d80d9643b9bd.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-770536006f8265cb.rlib --extern femme=/opt/rustwide/target/debug/deps/libfemme-f3f11f7d6e27f3e5.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-82f10857b39b0924.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-a7eeba24375851f0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-01c27488adc9800b.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-71de6b9f9e29447b.rlib --extern sparkpost=/opt/rustwide/target/debug/deps/libsparkpost-6b9c3d14adb4b46b.rlib --extern surf=/opt/rustwide/target/debug/deps/libsurf-ecf6068e273f7720.rlib --extern telegram_bot=/opt/rustwide/target/debug/deps/libtelegram_bot-f9866a121f7f4f57.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d390f6a488b6541e.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-22b629644034c213/out -L native=/opt/rustwide/target/debug/build/curl-sys-956ee50c4172fcff/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-32d4b72c5232461c/out/i/lib -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 8 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" "9e7c0ead1e159cd7fa4b6565e106aadddf23f3bdeee8190415c97e8da610ab9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7c0ead1e159cd7fa4b6565e106aadddf23f3bdeee8190415c97e8da610ab9e", kill_on_drop: false }`
[INFO] [stdout] 9e7c0ead1e159cd7fa4b6565e106aadddf23f3bdeee8190415c97e8da610ab9e