[INFO] fetching crate vtable-rs 0.1.4...
[INFO] building vtable-rs-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate vtable-rs 0.1.4 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtable-rs 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4644219da0473418d6c85dd4ac3f1769e0abaed8bfe96b1bad7d8f2ebf7d69b1
[INFO] running `Command { std: "docker" "start" "-a" "4644219da0473418d6c85dd4ac3f1769e0abaed8bfe96b1bad7d8f2ebf7d69b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4644219da0473418d6c85dd4ac3f1769e0abaed8bfe96b1bad7d8f2ebf7d69b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4644219da0473418d6c85dd4ac3f1769e0abaed8bfe96b1bad7d8f2ebf7d69b1", kill_on_drop: false }`
[INFO] [stdout] 4644219da0473418d6c85dd4ac3f1769e0abaed8bfe96b1bad7d8f2ebf7d69b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd9511b4de5f261534f7e92646abc1d1cc0930d01a8fb57782233883ef0a1db
[INFO] running `Command { std: "docker" "start" "-a" "9dd9511b4de5f261534f7e92646abc1d1cc0930d01a8fb57782233883ef0a1db", 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 3.77s
[INFO] running `Command { std: "docker" "inspect" "9dd9511b4de5f261534f7e92646abc1d1cc0930d01a8fb57782233883ef0a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd9511b4de5f261534f7e92646abc1d1cc0930d01a8fb57782233883ef0a1db", kill_on_drop: false }`
[INFO] [stdout] 9dd9511b4de5f261534f7e92646abc1d1cc0930d01a8fb57782233883ef0a1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0636cda36c457659e853c490f70b16fe16b43622ee030402e5b2ed421d36c3c
[INFO] running `Command { std: "docker" "start" "-a" "c0636cda36c457659e853c490f70b16fe16b43622ee030402e5b2ed421d36c3c", 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)]` (part of `#[warn(unused)]`) 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "c0636cda36c457659e853c490f70b16fe16b43622ee030402e5b2ed421d36c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0636cda36c457659e853c490f70b16fe16b43622ee030402e5b2ed421d36c3c", kill_on_drop: false }`
[INFO] [stdout] c0636cda36c457659e853c490f70b16fe16b43622ee030402e5b2ed421d36c3c