[INFO] fetching crate simple-tlv 0.1.0...
[INFO] building simple-tlv-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate simple-tlv 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simple-tlv 0.1.0
[INFO] finished tweaking crates.io crate simple-tlv 0.1.0
[INFO] tweaked toml for crates.io crate simple-tlv 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-tlv 0.1.0 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 17 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.6.1 (available: v0.9.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73f69ced7e8a91d75127bf40ba5622c38d4655a53bf7badc8f4b30f18bd8c71b
[INFO] running `Command { std: "docker" "start" "-a" "73f69ced7e8a91d75127bf40ba5622c38d4655a53bf7badc8f4b30f18bd8c71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73f69ced7e8a91d75127bf40ba5622c38d4655a53bf7badc8f4b30f18bd8c71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f69ced7e8a91d75127bf40ba5622c38d4655a53bf7badc8f4b30f18bd8c71b", kill_on_drop: false }`
[INFO] [stdout] 73f69ced7e8a91d75127bf40ba5622c38d4655a53bf7badc8f4b30f18bd8c71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3d970f8eee9317989433a177f7f02fe4678b1d4ceb57488eab792516c8bcd0f7
[INFO] running `Command { std: "docker" "start" "-a" "3d970f8eee9317989433a177f7f02fe4678b1d4ceb57488eab792516c8bcd0f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-tlv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Taggable` is never used
[INFO] [stdout]    --> src/traits.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub(crate) trait Taggable: Sized {
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "3d970f8eee9317989433a177f7f02fe4678b1d4ceb57488eab792516c8bcd0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d970f8eee9317989433a177f7f02fe4678b1d4ceb57488eab792516c8bcd0f7", kill_on_drop: false }`
[INFO] [stdout] 3d970f8eee9317989433a177f7f02fe4678b1d4ceb57488eab792516c8bcd0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1182af1510ff4dad0f1449b72edbcbfd8299a9d20428ff3b1c08249858f4d7be
[INFO] running `Command { std: "docker" "start" "-a" "1182af1510ff4dad0f1449b72edbcbfd8299a9d20428ff3b1c08249858f4d7be", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-tlv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Taggable` is never used
[INFO] [stdout]    --> src/traits.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub(crate) trait Taggable: Sized {
[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 `T3` is never constructed
[INFO] [stdout]    --> src/traits.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 |     struct T3 {
[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 1.24s
[INFO] running `Command { std: "docker" "inspect" "1182af1510ff4dad0f1449b72edbcbfd8299a9d20428ff3b1c08249858f4d7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1182af1510ff4dad0f1449b72edbcbfd8299a9d20428ff3b1c08249858f4d7be", kill_on_drop: false }`
[INFO] [stdout] 1182af1510ff4dad0f1449b72edbcbfd8299a9d20428ff3b1c08249858f4d7be