[INFO] fetching crate retained-macro 0.4.0...
[INFO] building retained-macro-0.4.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate retained-macro 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate retained-macro 0.4.0
[INFO] finished tweaking crates.io crate retained-macro 0.4.0
[INFO] tweaked toml for crates.io crate retained-macro 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retained-macro 0.4.0 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]     Blocking waiting for file lock on package cache
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251c78ae262c8c19cc47afc951cd5871461e1ddbaf89a143341fdfd8c6eb962d
[INFO] running `Command { std: "docker" "start" "-a" "251c78ae262c8c19cc47afc951cd5871461e1ddbaf89a143341fdfd8c6eb962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251c78ae262c8c19cc47afc951cd5871461e1ddbaf89a143341fdfd8c6eb962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251c78ae262c8c19cc47afc951cd5871461e1ddbaf89a143341fdfd8c6eb962d", kill_on_drop: false }`
[INFO] [stdout] 251c78ae262c8c19cc47afc951cd5871461e1ddbaf89a143341fdfd8c6eb962d
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a04902965ed7177227266ab4bdf4d440462d7f6b62a6b925c70efa6e00f3c37c
[INFO] running `Command { std: "docker" "start" "-a" "a04902965ed7177227266ab4bdf4d440462d7f6b62a6b925c70efa6e00f3c37c", kill_on_drop: false }`
[INFO] [stderr]    Compiling retained-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[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 1.36s
[INFO] running `Command { std: "docker" "inspect" "a04902965ed7177227266ab4bdf4d440462d7f6b62a6b925c70efa6e00f3c37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04902965ed7177227266ab4bdf4d440462d7f6b62a6b925c70efa6e00f3c37c", kill_on_drop: false }`
[INFO] [stdout] a04902965ed7177227266ab4bdf4d440462d7f6b62a6b925c70efa6e00f3c37c
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf34f08d4eddfde6812aea77a2d73535ff55a643fd624a20c59b996b7783afc8
[INFO] running `Command { std: "docker" "start" "-a" "bf34f08d4eddfde6812aea77a2d73535ff55a643fd624a20c59b996b7783afc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling retained-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[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 `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[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 1.44s
[INFO] running `Command { std: "docker" "inspect" "bf34f08d4eddfde6812aea77a2d73535ff55a643fd624a20c59b996b7783afc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf34f08d4eddfde6812aea77a2d73535ff55a643fd624a20c59b996b7783afc8", kill_on_drop: false }`
[INFO] [stdout] bf34f08d4eddfde6812aea77a2d73535ff55a643fd624a20c59b996b7783afc8