[INFO] cloning repository https://github.com/dcompiler/rust-iterators [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcompiler/rust-iterators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcompiler%2Frust-iterators", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcompiler%2Frust-iterators'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d141afce8894ae068f9027faddf014d3912f197f [INFO] testing dcompiler/rust-iterators against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcompiler%2Frust-iterators" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dcompiler/rust-iterators 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/dcompiler/rust-iterators [INFO] finished tweaking git repo https://github.com/dcompiler/rust-iterators [INFO] tweaked toml for git repo https://github.com/dcompiler/rust-iterators written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/dcompiler/rust-iterators 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cd2bde47e1ce66e541b155fdfac8fb3d98da95a798c74f4a71065d234d169c1f [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" "cd2bde47e1ce66e541b155fdfac8fb3d98da95a798c74f4a71065d234d169c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd2bde47e1ce66e541b155fdfac8fb3d98da95a798c74f4a71065d234d169c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd2bde47e1ce66e541b155fdfac8fb3d98da95a798c74f4a71065d234d169c1f", kill_on_drop: false }` [INFO] [stdout] cd2bde47e1ce66e541b155fdfac8fb3d98da95a798c74f4a71065d234d169c1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0d4e5360bd91aea5308312d779d7fe477bc46584ebecdcacc9f39338084589cd [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" "0d4e5360bd91aea5308312d779d7fe477bc46584ebecdcacc9f39338084589cd", kill_on_drop: false }` [INFO] [stderr] Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "0d4e5360bd91aea5308312d779d7fe477bc46584ebecdcacc9f39338084589cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d4e5360bd91aea5308312d779d7fe477bc46584ebecdcacc9f39338084589cd", kill_on_drop: false }` [INFO] [stdout] 0d4e5360bd91aea5308312d779d7fe477bc46584ebecdcacc9f39338084589cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 374317529fa8e5bd8188737094d7d7dc952b0be53e48606ff9a09c13101b5371 [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" "374317529fa8e5bd8188737094d7d7dc952b0be53e48606ff9a09c13101b5371", kill_on_drop: false }` [INFO] [stderr] Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/lib.rs:32:55 [INFO] [stdout] | [INFO] [stdout] 32 | let total = [(1,2),(2,3)].iter().fold(0,|acc,(k,v)| acc+v); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/lib.rs:41:84 [INFO] [stdout] | [INFO] [stdout] 41 | let inner2 : HashMap = hm.iter().fold(HashMap::new(), |mut acc, (&k,&v)| {acc.insert(v.0,v.1); acc}); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/lib.rs:47:55 [INFO] [stdout] | [INFO] [stdout] 47 | let prod : i32 = inner.iter().fold(1, |acc, (&k,&v)| acc*v); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/lib.rs:49:56 [INFO] [stdout] | [INFO] [stdout] 49 | let prod : i32 = inner2.iter().fold(1, |acc, (&k,&v)| acc*v); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ppuc` [INFO] [stdout] --> src/lib.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | ppuc: i64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `lease` [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | lease: i64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `old_lease` [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | old_lease: i64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ref_id` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | ref_id: i64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "374317529fa8e5bd8188737094d7d7dc952b0be53e48606ff9a09c13101b5371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "374317529fa8e5bd8188737094d7d7dc952b0be53e48606ff9a09c13101b5371", kill_on_drop: false }` [INFO] [stdout] 374317529fa8e5bd8188737094d7d7dc952b0be53e48606ff9a09c13101b5371 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "test" "--frozen", 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] 02b25d21e7e2daf72ce50ea79f459d25b35c59f2e064e6af468a2b2a82a4766e [INFO] running `Command { std: "docker" "start" "-a" "02b25d21e7e2daf72ce50ea79f459d25b35c59f2e064e6af468a2b2a82a4766e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/lib.rs:32:55 [INFO] [stderr] | [INFO] [stderr] 32 | let total = [(1,2),(2,3)].iter().fold(0,|acc,(k,v)| acc+v); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/lib.rs:41:84 [INFO] [stderr] | [INFO] [stderr] 41 | let inner2 : HashMap = hm.iter().fold(HashMap::new(), |mut acc, (&k,&v)| {acc.insert(v.0,v.1); acc}); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/lib.rs:47:55 [INFO] [stderr] | [INFO] [stderr] 47 | let prod : i32 = inner.iter().fold(1, |acc, (&k,&v)| acc*v); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/lib.rs:49:56 [INFO] [stderr] | [INFO] [stderr] 49 | let prod : i32 = inner2.iter().fold(1, |acc, (&k,&v)| acc*v); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ppuc` [INFO] [stderr] --> src/lib.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | ppuc: i64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `lease` [INFO] [stderr] --> src/lib.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | lease: i64, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `old_lease` [INFO] [stderr] --> src/lib.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | old_lease: i64, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ref_id` [INFO] [stderr] --> src/lib.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | ref_id: i64, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_iterators-7c0fdbff0199b64d) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_filter ... ok [INFO] [stdout] test tests::test_scan ... ok [INFO] [stdout] test tests::hashmap_iters ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_iterators-87f5165a3c932675) [INFO] [stdout] test tests::test_fold ... ok [INFO] [stderr] Doc-tests rust-iterators [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "02b25d21e7e2daf72ce50ea79f459d25b35c59f2e064e6af468a2b2a82a4766e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02b25d21e7e2daf72ce50ea79f459d25b35c59f2e064e6af468a2b2a82a4766e", kill_on_drop: false }` [INFO] [stdout] 02b25d21e7e2daf72ce50ea79f459d25b35c59f2e064e6af468a2b2a82a4766e