[INFO] crate visiting_ref 0.2.0 is already in cache
[INFO] testing visiting_ref-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate visiting_ref 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate visiting_ref 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate visiting_ref 0.2.0
[INFO] finished tweaking crates.io crate visiting_ref 0.2.0
[INFO] tweaked toml for crates.io crate visiting_ref 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aebfe8046ac950260b5e5694a873e739c67ea21d3946d9a0249d0cf95d33ee82
[INFO] running `"docker" "start" "-a" "aebfe8046ac950260b5e5694a873e739c67ea21d3946d9a0249d0cf95d33ee82"`
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling visiting_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.76s
[INFO] running `"docker" "inspect" "aebfe8046ac950260b5e5694a873e739c67ea21d3946d9a0249d0cf95d33ee82"`
[INFO] running `"docker" "rm" "-f" "aebfe8046ac950260b5e5694a873e739c67ea21d3946d9a0249d0cf95d33ee82"`
[INFO] [stdout] aebfe8046ac950260b5e5694a873e739c67ea21d3946d9a0249d0cf95d33ee82
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a263356414294b64eaeeeaee1f75f324973c77d32db0e31c87eb5ddde233d41b
[INFO] running `"docker" "start" "-a" "a263356414294b64eaeeeaee1f75f324973c77d32db0e31c87eb5ddde233d41b"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling visiting_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `"docker" "inspect" "a263356414294b64eaeeeaee1f75f324973c77d32db0e31c87eb5ddde233d41b"`
[INFO] running `"docker" "rm" "-f" "a263356414294b64eaeeeaee1f75f324973c77d32db0e31c87eb5ddde233d41b"`
[INFO] [stdout] a263356414294b64eaeeeaee1f75f324973c77d32db0e31c87eb5ddde233d41b
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70055ef380431f4739f763fbc09e16b66ba698b4377181a18f49de8921520016
[INFO] running `"docker" "start" "-a" "70055ef380431f4739f763fbc09e16b66ba698b4377181a18f49de8921520016"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/visiting_ref-64b4a58888cf9195
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::fmt_binary_impl_works ... ok
[INFO] [stdout] test tests::fmt_debug_impl_works ... ok
[INFO] [stdout] test tests::fmt_display_impl_works ... ok
[INFO] [stdout] test tests::fmt_lower_hex_impl_works ... ok
[INFO] [stdout] test tests::fmt_lower_exp_impl_works ... ok
[INFO] [stdout] test tests::fmt_octal_impl_works ... ok
[INFO] [stdout] test tests::fmt_upper_exp_impl_works ... ok
[INFO] [stdout] test tests::fmt_upper_hex_impl_works ... ok
[INFO] [stdout] test tests::fmt_pointer_impl_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests visiting_ref
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs -  (line 253) ... ok
[INFO] [stdout] test src/lib.rs -  (line 282) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] test src/lib.rs -  (line 81) ... ok
[INFO] [stdout] test src/lib.rs - VisitingMut<T>::downgrade (line 546) ... ok
[INFO] [stdout] test src/lib.rs -  (line 47) ... ok
[INFO] [stdout] test src/lib.rs -  (line 326) ... ok
[INFO] [stdout] test src/lib.rs - VisitingMut<T>::new (line 521) ... ok
[INFO] [stdout] test src/lib.rs - VisitingMut<T>::run_with (line 569) ... ok
[INFO] [stdout] test src/lib.rs - VisitingRef<T>::new (line 435) ... ok
[INFO] [stdout] test src/lib.rs - VisitingRef<T>::run_with (line 459) ... ok
[INFO] [stdout] test src/lib.rs -  (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70055ef380431f4739f763fbc09e16b66ba698b4377181a18f49de8921520016"`
[INFO] running `"docker" "rm" "-f" "70055ef380431f4739f763fbc09e16b66ba698b4377181a18f49de8921520016"`
[INFO] [stdout] 70055ef380431f4739f763fbc09e16b66ba698b4377181a18f49de8921520016