[INFO] fetching crate persistent_stack 0.1.1...
[INFO] testing persistent_stack-0.1.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate persistent_stack 0.1.1 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate persistent_stack 0.1.1 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 persistent_stack 0.1.1
[INFO] finished tweaking crates.io crate persistent_stack 0.1.1
[INFO] tweaked toml for crates.io crate persistent_stack 0.1.1 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 29da4a387fa8db3daef9d6318432bb664f23b0acd35fcac6b5c8e2d21615db81
[INFO] running `Command { std: "docker" "start" "-a" "29da4a387fa8db3daef9d6318432bb664f23b0acd35fcac6b5c8e2d21615db81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29da4a387fa8db3daef9d6318432bb664f23b0acd35fcac6b5c8e2d21615db81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29da4a387fa8db3daef9d6318432bb664f23b0acd35fcac6b5c8e2d21615db81", kill_on_drop: false }`
[INFO] [stdout] 29da4a387fa8db3daef9d6318432bb664f23b0acd35fcac6b5c8e2d21615db81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] ac27e70d79358287fac0c6075c4b44404181d245a201aab3a8dfa9d9c7d54819
[INFO] running `Command { std: "docker" "start" "-a" "ac27e70d79358287fac0c6075c4b44404181d245a201aab3a8dfa9d9c7d54819", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling persistent_stack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "ac27e70d79358287fac0c6075c4b44404181d245a201aab3a8dfa9d9c7d54819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac27e70d79358287fac0c6075c4b44404181d245a201aab3a8dfa9d9c7d54819", kill_on_drop: false }`
[INFO] [stdout] ac27e70d79358287fac0c6075c4b44404181d245a201aab3a8dfa9d9c7d54819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 4a167e06ede2f171ae338a478dbecff9a408e6b5e4bd9006cfe1c397f996d402
[INFO] running `Command { std: "docker" "start" "-a" "4a167e06ede2f171ae338a478dbecff9a408e6b5e4bd9006cfe1c397f996d402", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent_stack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4a167e06ede2f171ae338a478dbecff9a408e6b5e4bd9006cfe1c397f996d402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a167e06ede2f171ae338a478dbecff9a408e6b5e4bd9006cfe1c397f996d402", kill_on_drop: false }`
[INFO] [stdout] 4a167e06ede2f171ae338a478dbecff9a408e6b5e4bd9006cfe1c397f996d402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 5a4b853e84eb5e8dda048d21b18ed6533435ce45280bd0c1b994d496d326c5ba
[INFO] running `Command { std: "docker" "start" "-a" "5a4b853e84eb5e8dda048d21b18ed6533435ce45280bd0c1b994d496d326c5ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/persistent_stack-cbad2790796de7a4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_persistent_stack ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests persistent_stack
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - PersistentStack<T>::new (line 57) ... ok
[INFO] [stdout] test src/lib.rs - PersistentStack<T>::pop (line 95) ... ok
[INFO] [stdout] test src/lib.rs - PersistentStack<T>::push (line 69) ... ok
[INFO] [stdout] test src/lib.rs - PersistentStack<T>::iter (line 124) ... ok
[INFO] [stdout] test src/lib.rs - PersistentStack (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a4b853e84eb5e8dda048d21b18ed6533435ce45280bd0c1b994d496d326c5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4b853e84eb5e8dda048d21b18ed6533435ce45280bd0c1b994d496d326c5ba", kill_on_drop: false }`
[INFO] [stdout] 5a4b853e84eb5e8dda048d21b18ed6533435ce45280bd0c1b994d496d326c5ba