[INFO] fetching crate namable_closures 0.2.4...
[INFO] testing namable_closures-0.2.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate namable_closures 0.2.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate namable_closures 0.2.4 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 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2dd6295d82bf65235b57227bc5005540ba406dd52a95910c2f3b1bedad67befd
[INFO] running `Command { std: "docker" "start" "-a" "2dd6295d82bf65235b57227bc5005540ba406dd52a95910c2f3b1bedad67befd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd6295d82bf65235b57227bc5005540ba406dd52a95910c2f3b1bedad67befd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd6295d82bf65235b57227bc5005540ba406dd52a95910c2f3b1bedad67befd", kill_on_drop: false }`
[INFO] [stdout] 2dd6295d82bf65235b57227bc5005540ba406dd52a95910c2f3b1bedad67befd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d01ebebbbd0f47cb8bb725ce7f59f30ff4e03eeb91da1809cea183a9317c32ae
[INFO] running `Command { std: "docker" "start" "-a" "d01ebebbbd0f47cb8bb725ce7f59f30ff4e03eeb91da1809cea183a9317c32ae", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "d01ebebbbd0f47cb8bb725ce7f59f30ff4e03eeb91da1809cea183a9317c32ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01ebebbbd0f47cb8bb725ce7f59f30ff4e03eeb91da1809cea183a9317c32ae", kill_on_drop: false }`
[INFO] [stdout] d01ebebbbd0f47cb8bb725ce7f59f30ff4e03eeb91da1809cea183a9317c32ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] fa66e7795ad060e007b49200d57b60c5cad8def17f39b8b0283d1408b0546625
[INFO] running `Command { std: "docker" "start" "-a" "fa66e7795ad060e007b49200d57b60c5cad8def17f39b8b0283d1408b0546625", 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] [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] running `Command { std: "docker" "inspect" "fa66e7795ad060e007b49200d57b60c5cad8def17f39b8b0283d1408b0546625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa66e7795ad060e007b49200d57b60c5cad8def17f39b8b0283d1408b0546625", kill_on_drop: false }`
[INFO] [stdout] fa66e7795ad060e007b49200d57b60c5cad8def17f39b8b0283d1408b0546625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 57e0f345e1dea51ad8dc3e30007e7ab8480de16ac2ab9794cf3564b79c6479bc
[INFO] running `Command { std: "docker" "start" "-a" "57e0f345e1dea51ad8dc3e30007e7ab8480de16ac2ab9794cf3564b79c6479bc", 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: 1 warning emitted
[INFO] [stderr] 
[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: 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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/namable_closures-9eab36a02d0b01d9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test closure_rec::test::test_fac ... ok
[INFO] [stdout] test closure_rec::test::test_fib ... ok
[INFO] [stdout] test closures::tests::test_closure_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_mut ... ok
[INFO] [stdout] test closures::tests::test_closure_ref_mut_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_once_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_ref_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::ClosureOnce (line 278) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 164) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 89) ... ok
[INFO] [stdout] test src/closures.rs - closures::Closure (line 18) ... ok
[INFO] [stdout] test src/lib.rs - closure (line 275) ... ok
[INFO] [stdout] test src/lib.rs - (line 122) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 219) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57e0f345e1dea51ad8dc3e30007e7ab8480de16ac2ab9794cf3564b79c6479bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e0f345e1dea51ad8dc3e30007e7ab8480de16ac2ab9794cf3564b79c6479bc", kill_on_drop: false }`
[INFO] [stdout] 57e0f345e1dea51ad8dc3e30007e7ab8480de16ac2ab9794cf3564b79c6479bc