[INFO] fetching crate placeholder_closure 0.1.0...
[INFO] testing placeholder_closure-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate placeholder_closure 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate placeholder_closure 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate placeholder_closure 0.1.0
[INFO] finished tweaking crates.io crate placeholder_closure 0.1.0
[INFO] tweaked toml for crates.io crate placeholder_closure 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate placeholder_closure 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6761c29aaf2207e5707aba2b67a62547971fd0bdb796750f46106c9b6d1d0ebc
[INFO] running `Command { std: "docker" "start" "-a" "6761c29aaf2207e5707aba2b67a62547971fd0bdb796750f46106c9b6d1d0ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6761c29aaf2207e5707aba2b67a62547971fd0bdb796750f46106c9b6d1d0ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6761c29aaf2207e5707aba2b67a62547971fd0bdb796750f46106c9b6d1d0ebc", kill_on_drop: false }`
[INFO] [stdout] 6761c29aaf2207e5707aba2b67a62547971fd0bdb796750f46106c9b6d1d0ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590cd332bc978abc252bea3c1971ccfbba7361986e07ec3261e3fc45f7bfb3e3
[INFO] running `Command { std: "docker" "start" "-a" "590cd332bc978abc252bea3c1971ccfbba7361986e07ec3261e3fc45f7bfb3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling placeholder_closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "590cd332bc978abc252bea3c1971ccfbba7361986e07ec3261e3fc45f7bfb3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590cd332bc978abc252bea3c1971ccfbba7361986e07ec3261e3fc45f7bfb3e3", kill_on_drop: false }`
[INFO] [stdout] 590cd332bc978abc252bea3c1971ccfbba7361986e07ec3261e3fc45f7bfb3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf18f261aaa5d5fa75f700a8b4868f37c1f81963d4c2dc1c0bb5aea8e8d9d4b6
[INFO] running `Command { std: "docker" "start" "-a" "bf18f261aaa5d5fa75f700a8b4868f37c1f81963d4c2dc1c0bb5aea8e8d9d4b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling placeholder_closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "bf18f261aaa5d5fa75f700a8b4868f37c1f81963d4c2dc1c0bb5aea8e8d9d4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf18f261aaa5d5fa75f700a8b4868f37c1f81963d4c2dc1c0bb5aea8e8d9d4b6", kill_on_drop: false }`
[INFO] [stdout] bf18f261aaa5d5fa75f700a8b4868f37c1f81963d4c2dc1c0bb5aea8e8d9d4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4441ca8d028dd5c4e5e771c370d5976bca218c1e3067e20f82ed8aa646d14425
[INFO] running `Command { std: "docker" "start" "-a" "4441ca8d028dd5c4e5e771c370d5976bca218c1e3067e20f82ed8aa646d14425", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/placeholder_closure-9fb34c69cd244fa8)
[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] [stderr]    Doc-tests placeholder_closure
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4441ca8d028dd5c4e5e771c370d5976bca218c1e3067e20f82ed8aa646d14425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4441ca8d028dd5c4e5e771c370d5976bca218c1e3067e20f82ed8aa646d14425", kill_on_drop: false }`
[INFO] [stdout] 4441ca8d028dd5c4e5e771c370d5976bca218c1e3067e20f82ed8aa646d14425