[INFO] crate namable_closures 0.2.4 is already in cache
[INFO] testing namable_closures-0.2.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate namable_closures 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate namable_closures 0.2.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3568f7d7463811f496bdc5e35bd72319fb3345a4c7191a337194e59463cf992
[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" "e3568f7d7463811f496bdc5e35bd72319fb3345a4c7191a337194e59463cf992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3568f7d7463811f496bdc5e35bd72319fb3345a4c7191a337194e59463cf992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3568f7d7463811f496bdc5e35bd72319fb3345a4c7191a337194e59463cf992", kill_on_drop: false }`
[INFO] [stdout] e3568f7d7463811f496bdc5e35bd72319fb3345a4c7191a337194e59463cf992
[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" "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc6ebee093048a6d91322b7e7330475c3833eebdcae164883c68826f187967f
[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" "7bc6ebee093048a6d91322b7e7330475c3833eebdcae164883c68826f187967f", 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "7bc6ebee093048a6d91322b7e7330475c3833eebdcae164883c68826f187967f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc6ebee093048a6d91322b7e7330475c3833eebdcae164883c68826f187967f", kill_on_drop: false }`
[INFO] [stdout] 7bc6ebee093048a6d91322b7e7330475c3833eebdcae164883c68826f187967f
[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" "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651bca93d157bee3654f2d2fcf50ff760d0a8234c626b2439b9218364ec1b142
[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" "651bca93d157bee3654f2d2fcf50ff760d0a8234c626b2439b9218364ec1b142", kill_on_drop: false }`
[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] [stderr]    Compiling namable_closures v0.2.4 (/opt/rustwide/workdir)
[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 0.49s
[INFO] running `Command { std: "docker" "inspect" "651bca93d157bee3654f2d2fcf50ff760d0a8234c626b2439b9218364ec1b142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651bca93d157bee3654f2d2fcf50ff760d0a8234c626b2439b9218364ec1b142", kill_on_drop: false }`
[INFO] [stdout] 651bca93d157bee3654f2d2fcf50ff760d0a8234c626b2439b9218364ec1b142
[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" "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1e92752ba01d2ff379543ba68ccc05614d1c537cf87c658660b1e2acd645472
[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" "e1e92752ba01d2ff379543ba68ccc05614d1c537cf87c658660b1e2acd645472", 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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/namable_closures-49b65f58f45eaa21
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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_once_copy_clone ... ok
[INFO] [stdout] test closure_rec::test::test_fac ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests namable_closures
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/closures.rs - closures::Closure (line 15) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 159) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 273) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 85) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 214) ... ignored
[INFO] [stdout] test src/closures.rs - closures::Closure (line 19) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 165) ... ok
[INFO] [stdout] test src/lib.rs - closure (line 276) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 279) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 123) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 220) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1e92752ba01d2ff379543ba68ccc05614d1c537cf87c658660b1e2acd645472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e92752ba01d2ff379543ba68ccc05614d1c537cf87c658660b1e2acd645472", kill_on_drop: false }`
[INFO] [stdout] e1e92752ba01d2ff379543ba68ccc05614d1c537cf87c658660b1e2acd645472