[INFO] fetching crate very_basic_crate 0.2.0...
[INFO] building very_basic_crate-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate very_basic_crate 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate very_basic_crate 0.2.0
[INFO] finished tweaking crates.io crate very_basic_crate 0.2.0
[INFO] tweaked toml for crates.io crate very_basic_crate 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate very_basic_crate 0.2.0 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] 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] bfbb2cbb059ca5a03c0ff44a695e448e54c0b4cd526a04266ac01d3039197642
[INFO] running `Command { std: "docker" "start" "-a" "bfbb2cbb059ca5a03c0ff44a695e448e54c0b4cd526a04266ac01d3039197642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfbb2cbb059ca5a03c0ff44a695e448e54c0b4cd526a04266ac01d3039197642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbb2cbb059ca5a03c0ff44a695e448e54c0b4cd526a04266ac01d3039197642", kill_on_drop: false }`
[INFO] [stdout] bfbb2cbb059ca5a03c0ff44a695e448e54c0b4cd526a04266ac01d3039197642
[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] c6316a9370fdb21c5e6b239f4f7c42048ea7f4ea9ca8db70de0f9741dcedd260
[INFO] running `Command { std: "docker" "start" "-a" "c6316a9370fdb21c5e6b239f4f7c42048ea7f4ea9ca8db70de0f9741dcedd260", kill_on_drop: false }`
[INFO] [stderr]    Compiling very_basic_crate v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "c6316a9370fdb21c5e6b239f4f7c42048ea7f4ea9ca8db70de0f9741dcedd260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6316a9370fdb21c5e6b239f4f7c42048ea7f4ea9ca8db70de0f9741dcedd260", kill_on_drop: false }`
[INFO] [stdout] c6316a9370fdb21c5e6b239f4f7c42048ea7f4ea9ca8db70de0f9741dcedd260
[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] a0fe296c07ea1169c97b89418e3ec3399de33adfdad4c57b0847ef19da95287b
[INFO] running `Command { std: "docker" "start" "-a" "a0fe296c07ea1169c97b89418e3ec3399de33adfdad4c57b0847ef19da95287b", kill_on_drop: false }`
[INFO] [stderr]    Compiling very_basic_crate v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add_two_works` is never used
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn add_two_works() {
[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 0.33s
[INFO] running `Command { std: "docker" "inspect" "a0fe296c07ea1169c97b89418e3ec3399de33adfdad4c57b0847ef19da95287b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fe296c07ea1169c97b89418e3ec3399de33adfdad4c57b0847ef19da95287b", kill_on_drop: false }`
[INFO] [stdout] a0fe296c07ea1169c97b89418e3ec3399de33adfdad4c57b0847ef19da95287b