[INFO] crate ref-cast 1.0.1 is already in cache
[INFO] testing ref-cast-1.0.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ref-cast 1.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ref-cast 1.0.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ref-cast 1.0.1
[INFO] finished tweaking crates.io crate ref-cast 1.0.1
[INFO] tweaked toml for crates.io crate ref-cast 1.0.1 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] f107e23fda84444d26882408bdcd6433f36b3c558e375134de075d25a451da6f
[INFO] running `"docker" "start" "-a" "f107e23fda84444d26882408bdcd6433f36b3c558e375134de075d25a451da6f"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.1
[INFO] [stderr]    Compiling ref-cast v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `"docker" "inspect" "f107e23fda84444d26882408bdcd6433f36b3c558e375134de075d25a451da6f"`
[INFO] running `"docker" "rm" "-f" "f107e23fda84444d26882408bdcd6433f36b3c558e375134de075d25a451da6f"`
[INFO] [stdout] f107e23fda84444d26882408bdcd6433f36b3c558e375134de075d25a451da6f
[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] 0b7baf565aa0caa0e5a0e7f3ef89c838c8cb2794144f53158c1edfff5f59965b
[INFO] running `"docker" "start" "-a" "0b7baf565aa0caa0e5a0e7f3ef89c838c8cb2794144f53158c1edfff5f59965b"`
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dissimilar v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling trybuild v1.0.25
[INFO] [stderr]    Compiling ref-cast v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.53s
[INFO] running `"docker" "inspect" "0b7baf565aa0caa0e5a0e7f3ef89c838c8cb2794144f53158c1edfff5f59965b"`
[INFO] running `"docker" "rm" "-f" "0b7baf565aa0caa0e5a0e7f3ef89c838c8cb2794144f53158c1edfff5f59965b"`
[INFO] [stdout] 0b7baf565aa0caa0e5a0e7f3ef89c838c8cb2794144f53158c1edfff5f59965b
[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] b90836d6fc3ba3829bbfca1105f1edcefd1932a6cca34a9ba7dd95f00ff0c6b3
[INFO] running `"docker" "start" "-a" "b90836d6fc3ba3829bbfca1105f1edcefd1932a6cca34a9ba7dd95f00ff0c6b3"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ref_cast-79537814ef901e40
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compiletest-9a7dbb66d7af70ab
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.1
[INFO] [stderr]     Checking ref-cast v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ref-cast-tests v0.0.0 (/opt/rustwide/target/tests/ref-cast)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/no-repr.rs ... ok
[INFO] [stderr] test tests/ui/not-trivial.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test ui ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_trivial-334cdd5b81f7bc35
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_trivial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ref-cast
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] test src/lib.rs - RefCast (line 141) ... ok
[INFO] [stdout] test src/lib.rs -  (line 98) ... ok
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/lib.rs -  (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b90836d6fc3ba3829bbfca1105f1edcefd1932a6cca34a9ba7dd95f00ff0c6b3"`
[INFO] running `"docker" "rm" "-f" "b90836d6fc3ba3829bbfca1105f1edcefd1932a6cca34a9ba7dd95f00ff0c6b3"`
[INFO] [stdout] b90836d6fc3ba3829bbfca1105f1edcefd1932a6cca34a9ba7dd95f00ff0c6b3