[INFO] fetching crate try_fold_impl 0.2.1...
[INFO] testing try_fold_impl-0.2.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate try_fold_impl 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate try_fold_impl 0.2.1
[INFO] finished tweaking crates.io crate try_fold_impl 0.2.1
[INFO] tweaked toml for crates.io crate try_fold_impl 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try_fold_impl 0.2.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96d4aae65d8fb26fd069b2111a3af9009f8c96164fa1bfd7dda1bb543151b9aa
[INFO] running `Command { std: "docker" "start" "-a" "96d4aae65d8fb26fd069b2111a3af9009f8c96164fa1bfd7dda1bb543151b9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96d4aae65d8fb26fd069b2111a3af9009f8c96164fa1bfd7dda1bb543151b9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d4aae65d8fb26fd069b2111a3af9009f8c96164fa1bfd7dda1bb543151b9aa", kill_on_drop: false }`
[INFO] [stdout] 96d4aae65d8fb26fd069b2111a3af9009f8c96164fa1bfd7dda1bb543151b9aa
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f08c2222a440512917ac7d92b403ec36524e9a531f42615e40cdebcc03e820
[INFO] running `Command { std: "docker" "start" "-a" "71f08c2222a440512917ac7d92b403ec36524e9a531f42615e40cdebcc03e820", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_fold_impl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "71f08c2222a440512917ac7d92b403ec36524e9a531f42615e40cdebcc03e820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f08c2222a440512917ac7d92b403ec36524e9a531f42615e40cdebcc03e820", kill_on_drop: false }`
[INFO] [stdout] 71f08c2222a440512917ac7d92b403ec36524e9a531f42615e40cdebcc03e820
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc0351c45317020a0dfb2c50affdc9488355ac17610d7af2693184accfd9e14
[INFO] running `Command { std: "docker" "start" "-a" "9dc0351c45317020a0dfb2c50affdc9488355ac17610d7af2693184accfd9e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_fold_impl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Test2` is never constructed
[INFO] [stdout]   --> src/lib.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     struct Test2;
[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 0.70s
[INFO] running `Command { std: "docker" "inspect" "9dc0351c45317020a0dfb2c50affdc9488355ac17610d7af2693184accfd9e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc0351c45317020a0dfb2c50affdc9488355ac17610d7af2693184accfd9e14", kill_on_drop: false }`
[INFO] [stdout] 9dc0351c45317020a0dfb2c50affdc9488355ac17610d7af2693184accfd9e14
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f73f88e377687db1113779d8a02105c615da20fc65269fd5eab7ce1f785678a7
[INFO] running `Command { std: "docker" "start" "-a" "f73f88e377687db1113779d8a02105c615da20fc65269fd5eab7ce1f785678a7", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Test2` is never constructed
[INFO] [stderr]   --> src/lib.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     struct Test2;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `try_fold_impl` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/try_fold_impl-b1a4932971050507)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::impls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests try_fold_impl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f73f88e377687db1113779d8a02105c615da20fc65269fd5eab7ce1f785678a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73f88e377687db1113779d8a02105c615da20fc65269fd5eab7ce1f785678a7", kill_on_drop: false }`
[INFO] [stdout] f73f88e377687db1113779d8a02105c615da20fc65269fd5eab7ce1f785678a7