[INFO] fetching crate namable_closures 0.2.4...
[INFO] testing namable_closures-0.2.4 against beta-2021-08-01 for beta-1.55-1
[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 beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", 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] 004bb0d6c16b38a02db2590e42840759c961f1d1e57aa22d703604f166c72d51
[INFO] running `Command { std: "docker" "start" "-a" "004bb0d6c16b38a02db2590e42840759c961f1d1e57aa22d703604f166c72d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004bb0d6c16b38a02db2590e42840759c961f1d1e57aa22d703604f166c72d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004bb0d6c16b38a02db2590e42840759c961f1d1e57aa22d703604f166c72d51", kill_on_drop: false }`
[INFO] [stdout] 004bb0d6c16b38a02db2590e42840759c961f1d1e57aa22d703604f166c72d51
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 948f7546d8098012489834f4389d524c83ac091d7a09269ca689ad11afd20c28
[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" "948f7546d8098012489834f4389d524c83ac091d7a09269ca689ad11afd20c28", 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "948f7546d8098012489834f4389d524c83ac091d7a09269ca689ad11afd20c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948f7546d8098012489834f4389d524c83ac091d7a09269ca689ad11afd20c28", kill_on_drop: false }`
[INFO] [stdout] 948f7546d8098012489834f4389d524c83ac091d7a09269ca689ad11afd20c28
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf7e80124dafb723796d6c62f6ad130c51fa6d77a3922c1528166c70c3d3d84c
[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" "cf7e80124dafb723796d6c62f6ad130c51fa6d77a3922c1528166c70c3d3d84c", 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 0.60s
[INFO] running `Command { std: "docker" "inspect" "cf7e80124dafb723796d6c62f6ad130c51fa6d77a3922c1528166c70c3d3d84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7e80124dafb723796d6c62f6ad130c51fa6d77a3922c1528166c70c3d3d84c", kill_on_drop: false }`
[INFO] [stdout] cf7e80124dafb723796d6c62f6ad130c51fa6d77a3922c1528166c70c3d3d84c
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1375c6cc3ada1d5c0f8bba64e4ac4374e3a076116523949a658aa2056f4d89d0
[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" "1375c6cc3ada1d5c0f8bba64e4ac4374e3a076116523949a658aa2056f4d89d0", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/namable_closures-27c31d5fb7df9c21)
[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_ref_copy_clone ... 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_copy_clone ... ok
[INFO] [stderr]    Doc-tests namable_closures
[INFO] [stdout] test closure_rec::test::test_fib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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::ClosureMut (line 164) ... ok
[INFO] [stdout] test src/closures.rs - closures::Closure (line 18) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 278) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 89) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 219) ... 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 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1375c6cc3ada1d5c0f8bba64e4ac4374e3a076116523949a658aa2056f4d89d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1375c6cc3ada1d5c0f8bba64e4ac4374e3a076116523949a658aa2056f4d89d0", kill_on_drop: false }`
[INFO] [stdout] 1375c6cc3ada1d5c0f8bba64e4ac4374e3a076116523949a658aa2056f4d89d0
