[INFO] fetching crate iter-diff 0.1.1...
[INFO] testing iter-diff-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate iter-diff 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate iter-diff 0.1.1 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 iter-diff 0.1.1
[INFO] finished tweaking crates.io crate iter-diff 0.1.1
[INFO] tweaked toml for crates.io crate iter-diff 0.1.1 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f17798c34344ba49f12b87742bcd218c1647ea23155b4118dac86aa45445ded
[INFO] running `Command { std: "docker" "start" "-a" "9f17798c34344ba49f12b87742bcd218c1647ea23155b4118dac86aa45445ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f17798c34344ba49f12b87742bcd218c1647ea23155b4118dac86aa45445ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f17798c34344ba49f12b87742bcd218c1647ea23155b4118dac86aa45445ded", kill_on_drop: false }`
[INFO] [stdout] 9f17798c34344ba49f12b87742bcd218c1647ea23155b4118dac86aa45445ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e459f2271756174372a31ef8afe9973710eb7affea8f30ee7cb6f6371430d1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e459f2271756174372a31ef8afe9973710eb7affea8f30ee7cb6f6371430d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-diff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "2e459f2271756174372a31ef8afe9973710eb7affea8f30ee7cb6f6371430d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e459f2271756174372a31ef8afe9973710eb7affea8f30ee7cb6f6371430d1b", kill_on_drop: false }`
[INFO] [stdout] 2e459f2271756174372a31ef8afe9973710eb7affea8f30ee7cb6f6371430d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6059845793e0798247aa5e9e73b217bc2589b68db23fbc4dc64051571de6f497
[INFO] running `Command { std: "docker" "start" "-a" "6059845793e0798247aa5e9e73b217bc2589b68db23fbc4dc64051571de6f497", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-diff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_diff-75b6c3f28fce9a71)
[INFO] running `Command { std: "docker" "inspect" "6059845793e0798247aa5e9e73b217bc2589b68db23fbc4dc64051571de6f497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6059845793e0798247aa5e9e73b217bc2589b68db23fbc4dc64051571de6f497", kill_on_drop: false }`
[INFO] [stdout] 6059845793e0798247aa5e9e73b217bc2589b68db23fbc4dc64051571de6f497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c34f616e6a8dd913df5bcff66345300e248a1b8c0f24aeb5ded1872e8e8e4cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c34f616e6a8dd913df5bcff66345300e248a1b8c0f24aeb5ded1872e8e8e4cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_diff-75b6c3f28fce9a71)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::multi_change ... ok
[INFO] [stdout] test tests::add_mixed ... 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 iter-diff
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/prelude.rs - prelude (line 2) ... ok
[INFO] [stdout] test src/lib.rs - IterDiff::iter_diff (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c34f616e6a8dd913df5bcff66345300e248a1b8c0f24aeb5ded1872e8e8e4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c34f616e6a8dd913df5bcff66345300e248a1b8c0f24aeb5ded1872e8e8e4cc", kill_on_drop: false }`
[INFO] [stdout] 1c34f616e6a8dd913df5bcff66345300e248a1b8c0f24aeb5ded1872e8e8e4cc