[INFO] crate ringbuffer 0.2.2 is already in cache
[INFO] testing ringbuffer-0.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate ringbuffer 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ringbuffer 0.2.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuffer 0.2.2
[INFO] finished tweaking crates.io crate ringbuffer 0.2.2
[INFO] tweaked toml for crates.io crate ringbuffer 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53d07eeee82f43a1e7be68a4ea836d210f6e1b258aa67b4dfbb270ccc1b2cf7
[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" "d53d07eeee82f43a1e7be68a4ea836d210f6e1b258aa67b4dfbb270ccc1b2cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53d07eeee82f43a1e7be68a4ea836d210f6e1b258aa67b4dfbb270ccc1b2cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53d07eeee82f43a1e7be68a4ea836d210f6e1b258aa67b4dfbb270ccc1b2cf7", kill_on_drop: false }`
[INFO] [stdout] d53d07eeee82f43a1e7be68a4ea836d210f6e1b258aa67b4dfbb270ccc1b2cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a9c365a8e10a771eb631edd35064bc6b6112a2ce849157698d05d1eaa61e00
[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" "d4a9c365a8e10a771eb631edd35064bc6b6112a2ce849157698d05d1eaa61e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d4a9c365a8e10a771eb631edd35064bc6b6112a2ce849157698d05d1eaa61e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a9c365a8e10a771eb631edd35064bc6b6112a2ce849157698d05d1eaa61e00", kill_on_drop: false }`
[INFO] [stdout] d4a9c365a8e10a771eb631edd35064bc6b6112a2ce849157698d05d1eaa61e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd61feaa4b6a2302347c26b969bcd5bdf77c9d49816fbb845b0aea6bed438db
[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" "6dd61feaa4b6a2302347c26b969bcd5bdf77c9d49816fbb845b0aea6bed438db", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "6dd61feaa4b6a2302347c26b969bcd5bdf77c9d49816fbb845b0aea6bed438db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd61feaa4b6a2302347c26b969bcd5bdf77c9d49816fbb845b0aea6bed438db", kill_on_drop: false }`
[INFO] [stdout] 6dd61feaa4b6a2302347c26b969bcd5bdf77c9d49816fbb845b0aea6bed438db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] 11edc0d495771022d27c6eb6e3a6dde8fbce6ea3f4712a30bfbcf4c02a583429
[INFO] running `Command { std: "docker" "start" "-a" "11edc0d495771022d27c6eb6e3a6dde8fbce6ea3f4712a30bfbcf4c02a583429", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ringbuffer-4046386f0ce4cc76
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_default_capacity_constant ... ok
[INFO] [stdout] test tests::test_default_eq_new ... ok
[INFO] [stdout] test tests::test_index_mut ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_peek_none ... ok
[INFO] [stdout] test tests::test_to_vec ... ok
[INFO] [stdout] test tests::test_iter_wrap ... ok
[INFO] [stdout] test tests::test_to_vec_wrap ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_peek_some ... ok
[INFO] [stdout] test tests::test_iter_mut_wrap ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_len_wrap ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_index_bigger_than_length ... ok
[INFO] [stderr]    Doc-tests ringbuffer
[INFO] [stdout] test tests::test_no_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - RingBuffer (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11edc0d495771022d27c6eb6e3a6dde8fbce6ea3f4712a30bfbcf4c02a583429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11edc0d495771022d27c6eb6e3a6dde8fbce6ea3f4712a30bfbcf4c02a583429", kill_on_drop: false }`
[INFO] [stdout] 11edc0d495771022d27c6eb6e3a6dde8fbce6ea3f4712a30bfbcf4c02a583429