[INFO] fetching crate simple_ringbuf 0.1.2...
[INFO] testing simple_ringbuf-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate simple_ringbuf 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate simple_ringbuf 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cc05c6b7dbe1e8ff34c09f5627fe1192750793ce732249b8e8b3b21d98b3dd
[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" "47cc05c6b7dbe1e8ff34c09f5627fe1192750793ce732249b8e8b3b21d98b3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cc05c6b7dbe1e8ff34c09f5627fe1192750793ce732249b8e8b3b21d98b3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cc05c6b7dbe1e8ff34c09f5627fe1192750793ce732249b8e8b3b21d98b3dd", kill_on_drop: false }`
[INFO] [stdout] 47cc05c6b7dbe1e8ff34c09f5627fe1192750793ce732249b8e8b3b21d98b3dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3685157e2ad4ac2df37898164ae60bca1c14f93947816b8b34854daef6019ffe
[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" "3685157e2ad4ac2df37898164ae60bca1c14f93947816b8b34854daef6019ffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_ringbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "3685157e2ad4ac2df37898164ae60bca1c14f93947816b8b34854daef6019ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3685157e2ad4ac2df37898164ae60bca1c14f93947816b8b34854daef6019ffe", kill_on_drop: false }`
[INFO] [stdout] 3685157e2ad4ac2df37898164ae60bca1c14f93947816b8b34854daef6019ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e979c1669511c32c6d091815ec600bd180d5232d417a7ea8123ef73e5e36e5
[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" "95e979c1669511c32c6d091815ec600bd180d5232d417a7ea8123ef73e5e36e5", kill_on_drop: false }`
[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 3.95s
[INFO] running `Command { std: "docker" "inspect" "95e979c1669511c32c6d091815ec600bd180d5232d417a7ea8123ef73e5e36e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e979c1669511c32c6d091815ec600bd180d5232d417a7ea8123ef73e5e36e5", kill_on_drop: false }`
[INFO] [stdout] 95e979c1669511c32c6d091815ec600bd180d5232d417a7ea8123ef73e5e36e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "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] 2d5d3b371eb26f1ca696661cc4f9c20a58381e29bb714287127e3c8e339ce76f
[INFO] running `Command { std: "docker" "start" "-a" "2d5d3b371eb26f1ca696661cc4f9c20a58381e29bb714287127e3c8e339ce76f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_ringbuf-bf9c847d7f7d7f2e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common-52a4f8713a780948
[INFO] [stdout] test test::sub_rem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_tests-a8b2ec6cc398ee56
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-55329c6c0dee2b1c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_ringbuf
[INFO] [stdout] running 6 tests
[INFO] [stdout] test add_remove ... ok
[INFO] [stdout] end 0 begin 1
[INFO] [stdout] test resize ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test ringiness ... ok
[INFO] [stdout] test justify ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::elem_equal (line 681) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop (line 311) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::justify (line 398) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop_oldest (line 345) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_justified (line 516) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push_back (line 255) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push (line 198) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d5d3b371eb26f1ca696661cc4f9c20a58381e29bb714287127e3c8e339ce76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5d3b371eb26f1ca696661cc4f9c20a58381e29bb714287127e3c8e339ce76f", kill_on_drop: false }`
[INFO] [stdout] 2d5d3b371eb26f1ca696661cc4f9c20a58381e29bb714287127e3c8e339ce76f