[INFO] fetching crate specimen 0.1.0...
[INFO] building specimen-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate specimen 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate specimen 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate specimen 0.1.0
[INFO] tweaked toml for crates.io crate specimen 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen 0.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 25 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] 17d2bf9f2c97a713352b1bbe18840cd70ab7c7b904213a6fdd0c7ae3478810a3
[INFO] running `Command { std: "docker" "start" "-a" "17d2bf9f2c97a713352b1bbe18840cd70ab7c7b904213a6fdd0c7ae3478810a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17d2bf9f2c97a713352b1bbe18840cd70ab7c7b904213a6fdd0c7ae3478810a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d2bf9f2c97a713352b1bbe18840cd70ab7c7b904213a6fdd0c7ae3478810a3", kill_on_drop: false }`
[INFO] [stdout] 17d2bf9f2c97a713352b1bbe18840cd70ab7c7b904213a6fdd0c7ae3478810a3
[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] 1c608699f7ff37f8db3678671c529664c97db58736bdb880fa626fc508a05ab8
[INFO] running `Command { std: "docker" "start" "-a" "1c608699f7ff37f8db3678671c529664c97db58736bdb880fa626fc508a05ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling specimen__writable v0.1.0
[INFO] [stderr]    Compiling specimen__yaml v0.1.0
[INFO] [stderr]    Compiling specimen__multistringmap v0.1.0
[INFO] [stderr]    Compiling specimen__focustree v0.1.0
[INFO] [stderr]    Compiling specimen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "1c608699f7ff37f8db3678671c529664c97db58736bdb880fa626fc508a05ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c608699f7ff37f8db3678671c529664c97db58736bdb880fa626fc508a05ab8", kill_on_drop: false }`
[INFO] [stdout] 1c608699f7ff37f8db3678671c529664c97db58736bdb880fa626fc508a05ab8
[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] 8222963c1f21aa71f7cd73d1e9549666c0719931447e2989c933b70fc7c6e1bd
[INFO] running `Command { std: "docker" "start" "-a" "8222963c1f21aa71f7cd73d1e9549666c0719931447e2989c933b70fc7c6e1bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling specimen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> tests/zoo_test.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 format!("Encountered tile without a box entry: {:?}", tile);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let _ = format!("Encountered tile without a box entry: {:?}", tile);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "8222963c1f21aa71f7cd73d1e9549666c0719931447e2989c933b70fc7c6e1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8222963c1f21aa71f7cd73d1e9549666c0719931447e2989c933b70fc7c6e1bd", kill_on_drop: false }`
[INFO] [stdout] 8222963c1f21aa71f7cd73d1e9549666c0719931447e2989c933b70fc7c6e1bd
