[INFO] updating cached repository https://github.com/SachinMaharana/sandbox-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b60a5f9dcaac956dead6f7fb54a430bd0e98c2a4 [INFO] checking SachinMaharana/sandbox-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SachinMaharana/sandbox-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [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-12/source/Cargo.toml [INFO] crate git repo https://github.com/SachinMaharana/sandbox-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 747b24b785cfec547286c83caced7dd934263a4b48e18e57161e35572fd7f55b [INFO] running `"docker" "start" "-a" "747b24b785cfec547286c83caced7dd934263a4b48e18e57161e35572fd7f55b"` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking smallvec v1.3.0 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling curl v0.4.28 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] 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attohttpc v0.12.0 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking async-log v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking tokio v0.2.17 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tracing-futures v0.2.3 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking sluice v0.5.2 [INFO] [stderr] Checking broadcaster v1.0.0 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking http-client v1.1.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking h2 v0.2.4 [INFO] [stderr] Checking serde v1.0.106 [INFO] [stderr] Checking hyper v0.13.4 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking telegram-bot-raw v0.7.0 [INFO] [stderr] Checking surf v2.0.0-alpha.0 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking femme v1.3.0 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking sparkpost v0.5.3 [INFO] [stderr] Checking telegram-bot v0.7.0 [INFO] [stderr] Checking sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/bin/begin1.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let y = arr.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/from.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let x: String = String::from("Hello"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let b = Box::new(5); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/bin/docs1.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | #![warn(box_pointers)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: &std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | println!("b={}", b); [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | println!("b={}", b); [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 10 | let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:10:42 [INFO] [stderr] | [INFO] [stderr] 10 | let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:10:59 [INFO] [stderr] | [INFO] [stderr] 10 | let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let z = Box::new(x); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type uses owned (Box type) pointers: std::boxed::Box [INFO] [stderr] --> src/bin/docs1.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | assert_eq!(5, *z); [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/bin/begin1.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let y = arr.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/from.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let x: String = String::from("Hello"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/bin/pr-error.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use std::io::{self, BufRead}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `GenError` [INFO] [stderr] --> src/bin/pr-error.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | type GenError = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `GenResult` [INFO] [stderr] --> src/bin/pr-error.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | type GenResult = Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_numbers` [INFO] [stderr] --> src/bin/pr-error.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | fn read_numbers(file: &mut dyn BufRead) -> GenResult> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `test` [INFO] [stderr] | [INFO] [stderr] = note: consider adding a `main` function to `src/bin/test.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [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] [stderr] warning: unused import: `futures::future::join_all` [INFO] [stderr] --> src/bin/asyn2.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use futures::future::join_all; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/asyn2.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | t.await; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::future::join_all` [INFO] [stderr] --> src/bin/asyn2.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use futures::future::join_all; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/asyn2.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | t.await; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "747b24b785cfec547286c83caced7dd934263a4b48e18e57161e35572fd7f55b"` [INFO] running `"docker" "rm" "-f" "747b24b785cfec547286c83caced7dd934263a4b48e18e57161e35572fd7f55b"` [INFO] [stdout] 747b24b785cfec547286c83caced7dd934263a4b48e18e57161e35572fd7f55b