[INFO] fetching crate prev-iter 0.1.2...
[INFO] testing prev-iter-0.1.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate prev-iter 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prev-iter 0.1.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd2658b169b4689aa85caed0e4791d28958b4042ded22392dd4cc6586a38bef0
[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" "bd2658b169b4689aa85caed0e4791d28958b4042ded22392dd4cc6586a38bef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd2658b169b4689aa85caed0e4791d28958b4042ded22392dd4cc6586a38bef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2658b169b4689aa85caed0e4791d28958b4042ded22392dd4cc6586a38bef0", kill_on_drop: false }`
[INFO] [stdout] bd2658b169b4689aa85caed0e4791d28958b4042ded22392dd4cc6586a38bef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f93255e7694606d28a7c7fdb2e03275df9acde3936c844462e452583dacfdd
[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" "c6f93255e7694606d28a7c7fdb2e03275df9acde3936c844462e452583dacfdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c6f93255e7694606d28a7c7fdb2e03275df9acde3936c844462e452583dacfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f93255e7694606d28a7c7fdb2e03275df9acde3936c844462e452583dacfdd", kill_on_drop: false }`
[INFO] [stdout] c6f93255e7694606d28a7c7fdb2e03275df9acde3936c844462e452583dacfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03050dbbbad3ee9cdea8b4459df2b14dba1a44b73384ec3070cfdda5de2da782
[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" "03050dbbbad3ee9cdea8b4459df2b14dba1a44b73384ec3070cfdda5de2da782", kill_on_drop: false }`
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "03050dbbbad3ee9cdea8b4459df2b14dba1a44b73384ec3070cfdda5de2da782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03050dbbbad3ee9cdea8b4459df2b14dba1a44b73384ec3070cfdda5de2da782", kill_on_drop: false }`
[INFO] [stdout] 03050dbbbad3ee9cdea8b4459df2b14dba1a44b73384ec3070cfdda5de2da782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1804c8e9f2824f0a882777aabc3de952c611b2f13b5b95e5ab12e0777afb0d0
[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" "a1804c8e9f2824f0a882777aabc3de952c611b2f13b5b95e5ab12e0777afb0d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prev_iter-fd47937e95db8bae
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests prev-iter
[INFO] [stdout] test tests::test_prev ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_prev_peek ... ok
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::peek (line 76) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::new (line 41) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1804c8e9f2824f0a882777aabc3de952c611b2f13b5b95e5ab12e0777afb0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1804c8e9f2824f0a882777aabc3de952c611b2f13b5b95e5ab12e0777afb0d0", kill_on_drop: false }`
[INFO] [stdout] a1804c8e9f2824f0a882777aabc3de952c611b2f13b5b95e5ab12e0777afb0d0