[INFO] fetching crate simple_ringbuf 0.1.2...
[INFO] testing simple_ringbuf-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate simple_ringbuf 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate simple_ringbuf 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_ringbuf 0.1.2
[INFO] finished tweaking crates.io crate simple_ringbuf 0.1.2
[INFO] tweaked toml for crates.io crate simple_ringbuf 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13804a81bedaa6eda57992ed88bd9219aa56e4e442d45335ce1337647f01bdab
[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" "13804a81bedaa6eda57992ed88bd9219aa56e4e442d45335ce1337647f01bdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13804a81bedaa6eda57992ed88bd9219aa56e4e442d45335ce1337647f01bdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13804a81bedaa6eda57992ed88bd9219aa56e4e442d45335ce1337647f01bdab", kill_on_drop: false }`
[INFO] [stdout] 13804a81bedaa6eda57992ed88bd9219aa56e4e442d45335ce1337647f01bdab
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8a07bda3c1ce9648b3a40cd3b588ed46325afb65bf38d8bb064db78ed3931f
[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" "4c8a07bda3c1ce9648b3a40cd3b588ed46325afb65bf38d8bb064db78ed3931f", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_ringbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4c8a07bda3c1ce9648b3a40cd3b588ed46325afb65bf38d8bb064db78ed3931f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8a07bda3c1ce9648b3a40cd3b588ed46325afb65bf38d8bb064db78ed3931f", kill_on_drop: false }`
[INFO] [stdout] 4c8a07bda3c1ce9648b3a40cd3b588ed46325afb65bf38d8bb064db78ed3931f
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945caba769a5f63171a518da910ad3951f3325e4019ad7a9054752a4333ca8a2
[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" "945caba769a5f63171a518da910ad3951f3325e4019ad7a9054752a4333ca8a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling simple_ringbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "945caba769a5f63171a518da910ad3951f3325e4019ad7a9054752a4333ca8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945caba769a5f63171a518da910ad3951f3325e4019ad7a9054752a4333ca8a2", kill_on_drop: false }`
[INFO] [stdout] 945caba769a5f63171a518da910ad3951f3325e4019ad7a9054752a4333ca8a2
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db659f4d8044f9efde91e4d12eee93e6b256fdc27a3e7796cf1f70ec58546b6b
[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" "db659f4d8044f9efde91e4d12eee93e6b256fdc27a3e7796cf1f70ec58546b6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_ringbuf-c7e07075895f9b89
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common-5d72f4459c25f8cf
[INFO] [stdout] test test::sub_rem ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_tests-d268346febda2607
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-a3e066b533744202
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[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 0 tests
[INFO] [stdout] 
[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 6 tests
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test justify ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stderr]    Doc-tests simple_ringbuf
[INFO] [stdout] end 0 begin 1
[INFO] [stdout] test resize ... ok
[INFO] [stdout] test add_remove ... ok
[INFO] [stdout] test ringiness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_justified (line 516) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop_oldest (line 345) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push_back (line 255) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::justify (line 398) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push (line 198) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop (line 311) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::elem_equal (line 681) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::resize (line 555) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::from_exact_size_iter (line 115) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::from_iter_cap (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db659f4d8044f9efde91e4d12eee93e6b256fdc27a3e7796cf1f70ec58546b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db659f4d8044f9efde91e4d12eee93e6b256fdc27a3e7796cf1f70ec58546b6b", kill_on_drop: false }`
[INFO] [stdout] db659f4d8044f9efde91e4d12eee93e6b256fdc27a3e7796cf1f70ec58546b6b