[INFO] fetching crate vtable-rs 0.1.4...
[INFO] testing vtable-rs-0.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate vtable-rs 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vtable-rs 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vtable-rs 0.1.4
[INFO] tweaked toml for crates.io crate vtable-rs 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtable-rs 0.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f6751beacc393d45bc244e56334eaefd7a2eb29eccc444365a0fa303c6b042
[INFO] running `Command { std: "docker" "start" "-a" "11f6751beacc393d45bc244e56334eaefd7a2eb29eccc444365a0fa303c6b042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f6751beacc393d45bc244e56334eaefd7a2eb29eccc444365a0fa303c6b042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f6751beacc393d45bc244e56334eaefd7a2eb29eccc444365a0fa303c6b042", kill_on_drop: false }`
[INFO] [stdout] 11f6751beacc393d45bc244e56334eaefd7a2eb29eccc444365a0fa303c6b042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a564af48b81c3a574472c632d20fe73b7c7622dd04b1192ff3b0c32621574c
[INFO] running `Command { std: "docker" "start" "-a" "a1a564af48b81c3a574472c632d20fe73b7c7622dd04b1192ff3b0c32621574c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling vtable-rs-proc-macros v0.1.1
[INFO] [stderr]    Compiling vtable-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "a1a564af48b81c3a574472c632d20fe73b7c7622dd04b1192ff3b0c32621574c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a564af48b81c3a574472c632d20fe73b7c7622dd04b1192ff3b0c32621574c", kill_on_drop: false }`
[INFO] [stdout] a1a564af48b81c3a574472c632d20fe73b7c7622dd04b1192ff3b0c32621574c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667c21dc02c6d90fe4f37ef011ccaafd654c4251994a5c3e680288d309019115
[INFO] running `Command { std: "docker" "start" "-a" "667c21dc02c6d90fe4f37ef011ccaafd654c4251994a5c3e680288d309019115", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtable-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> tests/test_codegen.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn a(&self, arg1: u32) -> bool {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vmt_copy`
[INFO] [stdout]   --> tests/test_codegen.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let vmt_copy = d.vftable;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vmt_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "667c21dc02c6d90fe4f37ef011ccaafd654c4251994a5c3e680288d309019115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667c21dc02c6d90fe4f37ef011ccaafd654c4251994a5c3e680288d309019115", kill_on_drop: false }`
[INFO] [stdout] 667c21dc02c6d90fe4f37ef011ccaafd654c4251994a5c3e680288d309019115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3be1d90ed2244345d1f715ec8655e3e900d586b055f36673cba6dcc489cf4350
[INFO] running `Command { std: "docker" "start" "-a" "3be1d90ed2244345d1f715ec8655e3e900d586b055f36673cba6dcc489cf4350", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `arg1`
[INFO] [stderr]   --> tests/test_codegen.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn a(&self, arg1: u32) -> bool {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vmt_copy`
[INFO] [stderr]   --> tests/test_codegen.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let vmt_copy = d.vftable;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vmt_copy`
[INFO] [stderr] 
[INFO] [stderr] warning: `vtable-rs` (test "test_codegen") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vtable_rs-c5c768d0dcdcc6e2)
[INFO] [stderr]      Running tests/test_codegen.rs (/opt/rustwide/target/debug/deps/test_codegen-1370ed1c86876e50)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test default_derived_impls_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vtable_rs
[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" "3be1d90ed2244345d1f715ec8655e3e900d586b055f36673cba6dcc489cf4350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be1d90ed2244345d1f715ec8655e3e900d586b055f36673cba6dcc489cf4350", kill_on_drop: false }`
[INFO] [stdout] 3be1d90ed2244345d1f715ec8655e3e900d586b055f36673cba6dcc489cf4350