[INFO] fetching crate vecfold 0.1.6...
[INFO] building vecfold-0.1.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate vecfold 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vecfold 0.1.6
[INFO] finished tweaking crates.io crate vecfold 0.1.6
[INFO] tweaked toml for crates.io crate vecfold 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vecfold 0.1.6 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] 42f675ef4968d579d1466569eb7f633838cd8024e1474e0d97be400e5b33460a
[INFO] running `Command { std: "docker" "start" "-a" "42f675ef4968d579d1466569eb7f633838cd8024e1474e0d97be400e5b33460a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f675ef4968d579d1466569eb7f633838cd8024e1474e0d97be400e5b33460a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f675ef4968d579d1466569eb7f633838cd8024e1474e0d97be400e5b33460a", kill_on_drop: false }`
[INFO] [stdout] 42f675ef4968d579d1466569eb7f633838cd8024e1474e0d97be400e5b33460a
[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] 16516af8c91885ba92cc4fd6ee33c6dc873275ae6e8756bcc32a3ac7b0dda593
[INFO] running `Command { std: "docker" "start" "-a" "16516af8c91885ba92cc4fd6ee33c6dc873275ae6e8756bcc32a3ac7b0dda593", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecfold v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StaticStringError` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct StaticStringError(&'static str);
[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 0.32s
[INFO] running `Command { std: "docker" "inspect" "16516af8c91885ba92cc4fd6ee33c6dc873275ae6e8756bcc32a3ac7b0dda593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16516af8c91885ba92cc4fd6ee33c6dc873275ae6e8756bcc32a3ac7b0dda593", kill_on_drop: false }`
[INFO] [stdout] 16516af8c91885ba92cc4fd6ee33c6dc873275ae6e8756bcc32a3ac7b0dda593
[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] 5bc9d780e71a766122b4530d8e2e1f45216f4f49d392b2907933a4e941ee46dc
[INFO] running `Command { std: "docker" "start" "-a" "5bc9d780e71a766122b4530d8e2e1f45216f4f49d392b2907933a4e941ee46dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecfold v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StaticStringError` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct StaticStringError(&'static str);
[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 0.67s
[INFO] running `Command { std: "docker" "inspect" "5bc9d780e71a766122b4530d8e2e1f45216f4f49d392b2907933a4e941ee46dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc9d780e71a766122b4530d8e2e1f45216f4f49d392b2907933a4e941ee46dc", kill_on_drop: false }`
[INFO] [stdout] 5bc9d780e71a766122b4530d8e2e1f45216f4f49d392b2907933a4e941ee46dc