[INFO] fetching crate namable_closures 0.2.4... [INFO] testing namable_closures-0.2.4 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate namable_closures 0.2.4 into /workspace/builds/worker-96/source [INFO] validating manifest of crates.io crate namable_closures 0.2.4 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate namable_closures 0.2.4 [INFO] finished tweaking crates.io crate namable_closures 0.2.4 [INFO] tweaked toml for crates.io crate namable_closures 0.2.4 written to /workspace/builds/worker-96/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a02cdcc60a1a7478942a1edfd3a5292484919b36b04b77119483ad40742d2b7e [INFO] running `Command { std: "docker" "start" "-a" "a02cdcc60a1a7478942a1edfd3a5292484919b36b04b77119483ad40742d2b7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a02cdcc60a1a7478942a1edfd3a5292484919b36b04b77119483ad40742d2b7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a02cdcc60a1a7478942a1edfd3a5292484919b36b04b77119483ad40742d2b7e", kill_on_drop: false }` [INFO] [stdout] a02cdcc60a1a7478942a1edfd3a5292484919b36b04b77119483ad40742d2b7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b40b6aeffc428b93267cc461215adee8c4600e528b9936b59e64b004150ddff4 [INFO] running `Command { std: "docker" "start" "-a" "b40b6aeffc428b93267cc461215adee8c4600e528b9936b59e64b004150ddff4", kill_on_drop: false }` [INFO] [stderr] Compiling namable_closures v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/closure_rec.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | state: &'a mut State [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "b40b6aeffc428b93267cc461215adee8c4600e528b9936b59e64b004150ddff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b40b6aeffc428b93267cc461215adee8c4600e528b9936b59e64b004150ddff4", kill_on_drop: false }` [INFO] [stdout] b40b6aeffc428b93267cc461215adee8c4600e528b9936b59e64b004150ddff4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45f8c77d58b5c7be389c7672f2c0feb96000437f2506c3c638138dae04bcb589 [INFO] running `Command { std: "docker" "start" "-a" "45f8c77d58b5c7be389c7672f2c0feb96000437f2506c3c638138dae04bcb589", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling namable_closures v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/closure_rec.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | state: &'a mut State [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ClosureMutRec` [INFO] [stdout] --> src/closure_rec.rs:251:34 [INFO] [stdout] | [INFO] [stdout] 251 | use closure_rec::{ClosureRec,ClosureMutRec}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StableFnMut` [INFO] [stdout] --> src/closure_rec.rs:252:30 [INFO] [stdout] | [INFO] [stdout] 252 | use stable_fn::{StableFn,StableFnMut}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/closure_rec.rs:269:21 [INFO] [stdout] | [INFO] [stdout] 269 | n => me.call_with_state((i1,i0+i1), (i-1,)) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/closure_rec.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | state: &'a mut State [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/namable_closures-bd29790d9100b636) [INFO] running `Command { std: "docker" "inspect" "45f8c77d58b5c7be389c7672f2c0feb96000437f2506c3c638138dae04bcb589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45f8c77d58b5c7be389c7672f2c0feb96000437f2506c3c638138dae04bcb589", kill_on_drop: false }` [INFO] [stdout] 45f8c77d58b5c7be389c7672f2c0feb96000437f2506c3c638138dae04bcb589 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ca59bd2587aa1789df5de9941da8f0db83c69be1b054faa3d2f6c742ccffe2c2 [INFO] running `Command { std: "docker" "start" "-a" "ca59bd2587aa1789df5de9941da8f0db83c69be1b054faa3d2f6c742ccffe2c2", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `state` [INFO] [stderr] --> src/closure_rec.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | state: &'a mut State [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `namable_closures` (lib) generated 1 warning [INFO] [stderr] warning: unused import: `ClosureMutRec` [INFO] [stderr] --> src/closure_rec.rs:251:34 [INFO] [stderr] | [INFO] [stderr] 251 | use closure_rec::{ClosureRec,ClosureMutRec}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `StableFnMut` [INFO] [stderr] --> src/closure_rec.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | use stable_fn::{StableFn,StableFnMut}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/closure_rec.rs:269:21 [INFO] [stderr] | [INFO] [stderr] 269 | n => me.call_with_state((i1,i0+i1), (i-1,)) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `namable_closures` (lib test) generated 4 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/namable_closures-bd29790d9100b636) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test closure_rec::test::test_fac ... ok [INFO] [stdout] test closures::tests::test_closure_mut ... ok [INFO] [stdout] test closures::tests::test_closure_once_copy_clone ... ok [INFO] [stdout] test closures::tests::test_closure_copy_clone ... ok [INFO] [stdout] test closure_rec::test::test_fib ... ok [INFO] [stdout] test closures::tests::test_closure_ref_copy_clone ... ok [INFO] [stdout] test closures::tests::test_closure_ref_mut_copy_clone ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests namable_closures [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/closures.rs - closures::Closure (line 14) ... ignored [INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 158) ... ignored [INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 272) ... ignored [INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 84) ... ignored [INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 213) ... ignored [INFO] [stdout] test src/closures.rs - closures::Closure (line 18) ... ok [INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 219) ... ok [INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 89) ... ok [INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 164) ... ok [INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 278) ... ok [INFO] [stdout] test src/lib.rs - closure (line 275) ... ok [INFO] [stdout] test src/lib.rs - (line 122) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ca59bd2587aa1789df5de9941da8f0db83c69be1b054faa3d2f6c742ccffe2c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca59bd2587aa1789df5de9941da8f0db83c69be1b054faa3d2f6c742ccffe2c2", kill_on_drop: false }` [INFO] [stdout] ca59bd2587aa1789df5de9941da8f0db83c69be1b054faa3d2f6c742ccffe2c2