[INFO] fetching crate nested 0.1.1...
[INFO] testing nested-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nested 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nested 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nested 0.1.1
[INFO] finished tweaking crates.io crate nested 0.1.1
[INFO] tweaked toml for crates.io crate nested 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 08411e416b331712a59128e0f36276c36cacd8a299eca878eb779294c7398504
[INFO] running `Command { std: "docker" "start" "-a" "08411e416b331712a59128e0f36276c36cacd8a299eca878eb779294c7398504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08411e416b331712a59128e0f36276c36cacd8a299eca878eb779294c7398504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08411e416b331712a59128e0f36276c36cacd8a299eca878eb779294c7398504", kill_on_drop: false }`
[INFO] [stdout] 08411e416b331712a59128e0f36276c36cacd8a299eca878eb779294c7398504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5c2726f9691bcbfac993dfbcf0b3a5b757b1f7c32deb329359883c13b6484d
[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" "3b5c2726f9691bcbfac993dfbcf0b3a5b757b1f7c32deb329359883c13b6484d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nested v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "3b5c2726f9691bcbfac993dfbcf0b3a5b757b1f7c32deb329359883c13b6484d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5c2726f9691bcbfac993dfbcf0b3a5b757b1f7c32deb329359883c13b6484d", kill_on_drop: false }`
[INFO] [stdout] 3b5c2726f9691bcbfac993dfbcf0b3a5b757b1f7c32deb329359883c13b6484d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5ba4fa8a43f02a980b42a41d3f426d611c41f83d4ed10ffcd96a02a33cabda
[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" "ae5ba4fa8a43f02a980b42a41d3f426d611c41f83d4ed10ffcd96a02a33cabda", kill_on_drop: false }`
[INFO] [stderr]    Compiling nested v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ae5ba4fa8a43f02a980b42a41d3f426d611c41f83d4ed10ffcd96a02a33cabda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5ba4fa8a43f02a980b42a41d3f426d611c41f83d4ed10ffcd96a02a33cabda", kill_on_drop: false }`
[INFO] [stdout] ae5ba4fa8a43f02a980b42a41d3f426d611c41f83d4ed10ffcd96a02a33cabda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a4b241e389cca03cee367c85ac3612313204a1071cdac7a82222fc8cbe291e1
[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" "6a4b241e389cca03cee367c85ac3612313204a1071cdac7a82222fc8cbe291e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nested-c5c1d602044cc08e)
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stderr]    Doc-tests nested
[INFO] [stdout] test tests::test_split_off ... ok
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] test tests::test_vec ... ok
[INFO] [stdout] test tests::test_collect ... ok
[INFO] [stdout] test tests::test_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a4b241e389cca03cee367c85ac3612313204a1071cdac7a82222fc8cbe291e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4b241e389cca03cee367c85ac3612313204a1071cdac7a82222fc8cbe291e1", kill_on_drop: false }`
[INFO] [stdout] 6a4b241e389cca03cee367c85ac3612313204a1071cdac7a82222fc8cbe291e1