[INFO] fetching crate rotating-buffer 0.2.0...
[INFO] testing rotating-buffer-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rotating-buffer 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rotating-buffer 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotating-buffer 0.2.0
[INFO] finished tweaking crates.io crate rotating-buffer 0.2.0
[INFO] tweaked toml for crates.io crate rotating-buffer 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rotating-buffer 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 650d0410217a16adbd850d7b25754ec175cc887fd1e30f3459c8adaf5b9a4f4e
[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" "650d0410217a16adbd850d7b25754ec175cc887fd1e30f3459c8adaf5b9a4f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "650d0410217a16adbd850d7b25754ec175cc887fd1e30f3459c8adaf5b9a4f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650d0410217a16adbd850d7b25754ec175cc887fd1e30f3459c8adaf5b9a4f4e", kill_on_drop: false }`
[INFO] [stdout] 650d0410217a16adbd850d7b25754ec175cc887fd1e30f3459c8adaf5b9a4f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51389f14e32d211cff8f7bc41d607a139d0a8ccfd51c5a1d7840d6d9fdaf7b6
[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" "f51389f14e32d211cff8f7bc41d607a139d0a8ccfd51c5a1d7840d6d9fdaf7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f51389f14e32d211cff8f7bc41d607a139d0a8ccfd51c5a1d7840d6d9fdaf7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51389f14e32d211cff8f7bc41d607a139d0a8ccfd51c5a1d7840d6d9fdaf7b6", kill_on_drop: false }`
[INFO] [stdout] f51389f14e32d211cff8f7bc41d607a139d0a8ccfd51c5a1d7840d6d9fdaf7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 44b76bc5ae014fbca5bbeea710f018fffdd893bdfd03a56b53990b87f7040415
[INFO] running `Command { std: "docker" "start" "-a" "44b76bc5ae014fbca5bbeea710f018fffdd893bdfd03a56b53990b87f7040415", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "44b76bc5ae014fbca5bbeea710f018fffdd893bdfd03a56b53990b87f7040415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b76bc5ae014fbca5bbeea710f018fffdd893bdfd03a56b53990b87f7040415", kill_on_drop: false }`
[INFO] [stdout] 44b76bc5ae014fbca5bbeea710f018fffdd893bdfd03a56b53990b87f7040415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 8f98c3121e9aad1842758b1251efbea5eed0cfe9e7a13c13de71a30b3edbef3f
[INFO] running `Command { std: "docker" "start" "-a" "8f98c3121e9aad1842758b1251efbea5eed0cfe9e7a13c13de71a30b3edbef3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rotating_buffer-cc1a5f3813514181)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rotating-buffer
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::add_len (line 112) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S> (line 170) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::as_slice (line 54) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize_at (line 151) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::get_append_only (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f98c3121e9aad1842758b1251efbea5eed0cfe9e7a13c13de71a30b3edbef3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f98c3121e9aad1842758b1251efbea5eed0cfe9e7a13c13de71a30b3edbef3f", kill_on_drop: false }`
[INFO] [stdout] 8f98c3121e9aad1842758b1251efbea5eed0cfe9e7a13c13de71a30b3edbef3f