[INFO] fetching crate baker 0.2.0...
[INFO] checking baker-0.2.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate baker 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate baker 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate baker 0.2.0
[INFO] tweaked toml for crates.io crate baker 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate baker 0.2.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851a312476010e7d3aa08e888bd6b7f0d1bad6b43dad75153d85e09658c85b6b
[INFO] running `Command { std: "docker" "start" "-a" "851a312476010e7d3aa08e888bd6b7f0d1bad6b43dad75153d85e09658c85b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851a312476010e7d3aa08e888bd6b7f0d1bad6b43dad75153d85e09658c85b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851a312476010e7d3aa08e888bd6b7f0d1bad6b43dad75153d85e09658c85b6b", kill_on_drop: false }`
[INFO] [stdout] 851a312476010e7d3aa08e888bd6b7f0d1bad6b43dad75153d85e09658c85b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c46d36cb4942c86bb9c855eea5be59e53dfd2c5183798b18906258fdd807f0af
[INFO] running `Command { std: "docker" "start" "-a" "c46d36cb4942c86bb9c855eea5be59e53dfd2c5183798b18906258fdd807f0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking somok v1.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]    Compiling baker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> test/tests.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   format!("{:?}", baked);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let _ = format!("{:?}", baked);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> test/tests.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   format!("{:?}", baked);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let _ = format!("{:?}", baked);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "c46d36cb4942c86bb9c855eea5be59e53dfd2c5183798b18906258fdd807f0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46d36cb4942c86bb9c855eea5be59e53dfd2c5183798b18906258fdd807f0af", kill_on_drop: false }`
[INFO] [stdout] c46d36cb4942c86bb9c855eea5be59e53dfd2c5183798b18906258fdd807f0af
