[INFO] fetching crate cppvtbl 0.2.1...
[INFO] testing cppvtbl-0.2.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate cppvtbl 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cppvtbl 0.2.1
[INFO] finished tweaking crates.io crate cppvtbl 0.2.1
[INFO] tweaked toml for crates.io crate cppvtbl 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cppvtbl 0.2.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cppvtbl-macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31
[INFO] running `Command { std: "docker" "start" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cppvtbl-macros v0.2.1
[INFO] [stderr]    Compiling cppvtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cppvtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Test` is never used
[INFO] [stdout]  --> tests/generics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Test {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrapperRef` is never constructed
[INFO] [stdout]  --> tests/generics.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct WrapperRef<'p>(&'p u32);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TestVtableForWrapperRef` is never used
[INFO] [stdout]  --> tests/generics.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[impl_vtables(Test)]
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `unsafe_impl_TestVtable` which comes from the expansion of the attribute macro `impl_vtables` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sub` is never constructed
[INFO] [stdout]   --> tests/basic.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Sub(u8);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OperatorVtableForSub` is never used
[INFO] [stdout]   --> tests/basic.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[impl_vtables(Operator)]
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `unsafe_impl_OperatorVtable` which comes from the expansion of the attribute macro `impl_vtables` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Test` is never used
[INFO] [stderr]  --> tests/generics.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait Test {
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WrapperRef` is never constructed
[INFO] [stderr]  --> tests/generics.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct WrapperRef<'p>(&'p u32);
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TestVtableForWrapperRef` is never used
[INFO] [stderr]  --> tests/generics.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[impl_vtables(Test)]
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `unsafe_impl_TestVtable` which comes from the expansion of the attribute macro `impl_vtables` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `cppvtbl` (test "generics") generated 3 warnings
[INFO] [stderr] warning: struct `Sub` is never constructed
[INFO] [stderr]   --> tests/basic.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Sub(u8);
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `OperatorVtableForSub` is never used
[INFO] [stderr]   --> tests/basic.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[impl_vtables(Operator)]
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `unsafe_impl_OperatorVtable` which comes from the expansion of the attribute macro `impl_vtables` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `cppvtbl` (test "basic") generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/cppvtbl-4864659f4b364ba8)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/release/deps/basic-e0ae433d8965b4a7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generics.rs (/opt/rustwide/target/release/deps/generics-24a72931bfc89b3c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cppvtbl
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31", kill_on_drop: false }`
[INFO] [stdout] fb85cc37df564a37689839bb68fa6a2c3f2e94c1d64f0d27ec8f0b2986c4cf31
