[INFO] fetching crate vtable-rs-proc-macros 0.1.1...
[INFO] building vtable-rs-proc-macros-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate vtable-rs-proc-macros 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate vtable-rs-proc-macros 0.1.1
[INFO] finished tweaking crates.io crate vtable-rs-proc-macros 0.1.1
[INFO] tweaked toml for crates.io crate vtable-rs-proc-macros 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtable-rs-proc-macros 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 063fc9588811d37bac2a28e6bcdfae0f6c8e4ded65a3c1342eec02881c147d1f
[INFO] running `Command { std: "docker" "start" "-a" "063fc9588811d37bac2a28e6bcdfae0f6c8e4ded65a3c1342eec02881c147d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "063fc9588811d37bac2a28e6bcdfae0f6c8e4ded65a3c1342eec02881c147d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063fc9588811d37bac2a28e6bcdfae0f6c8e4ded65a3c1342eec02881c147d1f", kill_on_drop: false }`
[INFO] [stdout] 063fc9588811d37bac2a28e6bcdfae0f6c8e4ded65a3c1342eec02881c147d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a4a796746e5ca138c5e11dde791e1df9dd5e6b8947d8d6d0183a37b05bbacd8
[INFO] running `Command { std: "docker" "start" "-a" "8a4a796746e5ca138c5e11dde791e1df9dd5e6b8947d8d6d0183a37b05bbacd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtable-rs-proc-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "8a4a796746e5ca138c5e11dde791e1df9dd5e6b8947d8d6d0183a37b05bbacd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4a796746e5ca138c5e11dde791e1df9dd5e6b8947d8d6d0183a37b05bbacd8", kill_on_drop: false }`
[INFO] [stdout] 8a4a796746e5ca138c5e11dde791e1df9dd5e6b8947d8d6d0183a37b05bbacd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194a5323d3bf2eebff4fa15c204f72d80292a8e756cc180a23e7fc5317289253
[INFO] running `Command { std: "docker" "start" "-a" "194a5323d3bf2eebff4fa15c204f72d80292a8e756cc180a23e7fc5317289253", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtable-rs-proc-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "194a5323d3bf2eebff4fa15c204f72d80292a8e756cc180a23e7fc5317289253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194a5323d3bf2eebff4fa15c204f72d80292a8e756cc180a23e7fc5317289253", kill_on_drop: false }`
[INFO] [stdout] 194a5323d3bf2eebff4fa15c204f72d80292a8e756cc180a23e7fc5317289253