[INFO] fetching crate prev-iter 0.1.2...
[INFO] testing prev-iter-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate prev-iter 0.1.2 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate prev-iter 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prev-iter 0.1.2
[INFO] finished tweaking crates.io crate prev-iter 0.1.2
[INFO] tweaked toml for crates.io crate prev-iter 0.1.2 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76436a33c491133eadd1fbef8a9d7742a1d5069fecf29383244c094a9afd286d
[INFO] running `Command { std: "docker" "start" "-a" "76436a33c491133eadd1fbef8a9d7742a1d5069fecf29383244c094a9afd286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76436a33c491133eadd1fbef8a9d7742a1d5069fecf29383244c094a9afd286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76436a33c491133eadd1fbef8a9d7742a1d5069fecf29383244c094a9afd286d", kill_on_drop: false }`
[INFO] [stdout] 76436a33c491133eadd1fbef8a9d7742a1d5069fecf29383244c094a9afd286d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c6fe96f15bc4c78869319ed0e0f35eb3c5b29c32cd242abb43d94e3e131d49
[INFO] running `Command { std: "docker" "start" "-a" "53c6fe96f15bc4c78869319ed0e0f35eb3c5b29c32cd242abb43d94e3e131d49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "53c6fe96f15bc4c78869319ed0e0f35eb3c5b29c32cd242abb43d94e3e131d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c6fe96f15bc4c78869319ed0e0f35eb3c5b29c32cd242abb43d94e3e131d49", kill_on_drop: false }`
[INFO] [stdout] 53c6fe96f15bc4c78869319ed0e0f35eb3c5b29c32cd242abb43d94e3e131d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9023b39e66e39b9ffd7e231502ec4497c9920f8d13b4e55a79c74894fb7b880
[INFO] running `Command { std: "docker" "start" "-a" "d9023b39e66e39b9ffd7e231502ec4497c9920f8d13b4e55a79c74894fb7b880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/prev_iter-56ced2dc8d63b434)
[INFO] running `Command { std: "docker" "inspect" "d9023b39e66e39b9ffd7e231502ec4497c9920f8d13b4e55a79c74894fb7b880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9023b39e66e39b9ffd7e231502ec4497c9920f8d13b4e55a79c74894fb7b880", kill_on_drop: false }`
[INFO] [stdout] d9023b39e66e39b9ffd7e231502ec4497c9920f8d13b4e55a79c74894fb7b880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 823a9221b2b4c217ce51c3bff7950db22b0ae6fbc55cc8991c0b943617cd01f1
[INFO] running `Command { std: "docker" "start" "-a" "823a9221b2b4c217ce51c3bff7950db22b0ae6fbc55cc8991c0b943617cd01f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prev_iter-56ced2dc8d63b434)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_prev ... ok
[INFO] [stdout] test tests::test_prev_peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prev-iter
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::new (line 41) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::peek (line 76) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev (line 110) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev_peek (line 148) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "823a9221b2b4c217ce51c3bff7950db22b0ae6fbc55cc8991c0b943617cd01f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823a9221b2b4c217ce51c3bff7950db22b0ae6fbc55cc8991c0b943617cd01f1", kill_on_drop: false }`
[INFO] [stdout] 823a9221b2b4c217ce51c3bff7950db22b0ae6fbc55cc8991c0b943617cd01f1